refill state tests as blockchain tests

519 files changed, 107777 insertions, 7325 deletions

diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/identity_to_bigger_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/identity_to_bigger_d0g0v0.json
index 4ba6a7b57..e4f1e4fc4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/identity_to_bigger_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/identity_to_bigger_d0g0v0.json
@@ -1,11 +1,11 @@
 {
     "identity_to_bigger_d0g0v0_Byzantium" : {
         "_info" : {
-            "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.7f06dbfd.Linux.g++",
-            "lllcversion" : "Version: 0.4.21-develop.2018.2.27+commit.2abc5be7.Linux.g++",
+            "comment" : "have a call to e.g. identity built-in that specifies output size more than input size. Check that only the short amount is available with RETURNDATA.  CALL is with 100000 as gas, address 4 as destination, 0 as value, 0 as in-offset, 16 as in-size, 16 as out-offset, 32 as out-size.  The returndatasize should see 16.",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/identity_to_bigger_d0g0v0Filler.json",
-            "sourceHash" : "12c3061be8308b9385926241bb6ff6288755dbe8a7f09ab7c467bf78baf10267"
+            "sourceHash" : "0766a13687fb6ab7b89b93d467eeaa508039205919471e0724cb7ba3fbffd9b5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa321",
-                    "hash" : "0x87e002d59d2d9a49329269b3160f44d699f55e091e37a9af0bc2077a7cf65b14",
-                    "mixHash" : "0x889fe47e9402581d61324ae7b49d3958af993240b2ae7af2c6a8d3a4be872da0",
-                    "nonce" : "0x57f39783d34f1e07",
+                    "hash" : "0x8cf4bd028031b3bf7c2af47a6759364272b58dd110d16991a72dcd0a95c44bdd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xaeec4463424ffa725aab9e001056473a2b24fd7cf1e9b7e6058a4e12951b60ab",
                     "receiptTrie" : "0x32031c46b0217eaf3f840d756c50595dc41651dfac8da63124c7acbd4d1f7522",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xec6a57e4973f6e046d48544dbdefff8286397777cc2c8660adcdb38c6b0ddabd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x87e002d59d2d9a49329269b3160f44d699f55e091e37a9af0bc2077a7cf65b14",
+        "lastblockhash" : "0x8cf4bd028031b3bf7c2af47a6759364272b58dd110d16991a72dcd0a95c44bdd",
         "network" : "Byzantium",
         "postState" : {
             "0x3535353535353535353535353535353535353535" : {
@@ -105,15 +105,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "identity_to_bigger_d0g0v0_Constantinople" : {
         "_info" : {
-            "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.7f06dbfd.Linux.g++",
-            "lllcversion" : "Version: 0.4.21-develop.2018.2.27+commit.2abc5be7.Linux.g++",
+            "comment" : "have a call to e.g. identity built-in that specifies output size more than input size. Check that only the short amount is available with RETURNDATA.  CALL is with 100000 as gas, address 4 as destination, 0 as value, 0 as in-offset, 16 as in-size, 16 as out-offset, 32 as out-size.  The returndatasize should see 16.",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/identity_to_bigger_d0g0v0Filler.json",
-            "sourceHash" : "12c3061be8308b9385926241bb6ff6288755dbe8a7f09ab7c467bf78baf10267"
+            "sourceHash" : "0766a13687fb6ab7b89b93d467eeaa508039205919471e0724cb7ba3fbffd9b5"
         },
         "blocks" : [
             {
@@ -124,18 +125,18 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa321",
-                    "hash" : "0x51b4afef70f27e0a0a0c59abad13d85976dfbaa374424a03efb43c8101b72c19",
-                    "mixHash" : "0x10d3455b05173a0590fb00cb4f4616daff3a480ac90ca9833ff70a4d45e4f6a4",
-                    "nonce" : "0x12c65cd9f51a494c",
+                    "hash" : "0xad4f433ebccdd718c4000527dd9cc3233cab205048255f680a668bd439f82380",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xaeec4463424ffa725aab9e001056473a2b24fd7cf1e9b7e6058a4e12951b60ab",
                     "receiptTrie" : "0x32031c46b0217eaf3f840d756c50595dc41651dfac8da63124c7acbd4d1f7522",
-                    "stateRoot" : "0x155ffd01cba2cbf1ed9f135eb4cd9d368c02eebeef713e9b8e2ad4ec9b5f23be",
+                    "stateRoot" : "0xa81937f0eb1bba9bfb147a603f5729e514d88c26c1e56f08ecb41df8607dbe53",
                     "timestamp" : "0x03e8",
                     "transactionsTrie" : "0xec6a57e4973f6e046d48544dbdefff8286397777cc2c8660adcdb38c6b0ddabd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x",
@@ -172,11 +173,11 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x51b4afef70f27e0a0a0c59abad13d85976dfbaa374424a03efb43c8101b72c19",
+        "lastblockhash" : "0xad4f433ebccdd718c4000527dd9cc3233cab205048255f680a668bd439f82380",
         "network" : "Constantinople",
         "postState" : {
             "0x3535353535353535353535353535353535353535" : {
-                "balance" : "0x29a2241af62ca321",
+                "balance" : "0x1bc16d674ec8a321",
                 "code" : "",
                 "nonce" : "0x00",
                 "storage" : {
@@ -213,6 +214,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/identity_to_smaller_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/identity_to_smaller_d0g0v0.json
index db94f5d73..8e3cc67d4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/identity_to_smaller_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/identity_to_smaller_d0g0v0.json
@@ -1,11 +1,11 @@
 {
     "identity_to_smaller_d0g0v0_Byzantium" : {
         "_info" : {
-            "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.e327dcb7.Linux.g++",
-            "lllcversion" : "Version: 0.4.22-develop.2018.3.16+commit.2b2527f3.Linux.g++",
+            "comment" : "have a call to e.g. identity built-in that specifies output size less than input size. Check that the long input is totally available with RETURNDATA.  CALL is with 100000 as gas, address 4 as destination, 0 as value, 0 as in-offset, 32 as in-size, 16 as out-offset, 16 as out-size.  The returndatasize should see 32.",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/identity_to_smaller_d0g0v0Filler.json",
-            "sourceHash" : "827f097dad52a0950722d39134145a4eed707f765324cd13e583dc70fd2e7ce1"
+            "sourceHash" : "37d03bc57ec3850548b24e145267bb715360aee0865352033fbaf0e897630266"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa31e",
-                    "hash" : "0x8742d08188906f4467ad394fb919f27d628815dfeb35da6b25c24ed1e9252a57",
-                    "mixHash" : "0xfff218f62be02d2f6f5e8248e9941d6d6f7d511a372a0236e42c09d9373e947a",
-                    "nonce" : "0x8e9462d0d5a04efd",
+                    "hash" : "0x40557b22b9b5ebafa511208c060d32a1154d0decdf19391c991351eb148463d3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x71c10835efdc7a74fe4929be88137002a665879ac2eb7bd9556a61dca668bcd1",
                     "receiptTrie" : "0x53c33d7d99b96b6b47f84a58febb0b1696996df22c970f9232c83453ad76d8d1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xec6a57e4973f6e046d48544dbdefff8286397777cc2c8660adcdb38c6b0ddabd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8742d08188906f4467ad394fb919f27d628815dfeb35da6b25c24ed1e9252a57",
+        "lastblockhash" : "0x40557b22b9b5ebafa511208c060d32a1154d0decdf19391c991351eb148463d3",
         "network" : "Byzantium",
         "postState" : {
             "0x3535353535353535353535353535353535353535" : {
@@ -105,15 +105,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "identity_to_smaller_d0g0v0_Constantinople" : {
         "_info" : {
-            "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.e327dcb7.Linux.g++",
-            "lllcversion" : "Version: 0.4.22-develop.2018.3.16+commit.2b2527f3.Linux.g++",
+            "comment" : "have a call to e.g. identity built-in that specifies output size less than input size. Check that the long input is totally available with RETURNDATA.  CALL is with 100000 as gas, address 4 as destination, 0 as value, 0 as in-offset, 32 as in-size, 16 as out-offset, 16 as out-size.  The returndatasize should see 32.",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/identity_to_smaller_d0g0v0Filler.json",
-            "sourceHash" : "827f097dad52a0950722d39134145a4eed707f765324cd13e583dc70fd2e7ce1"
+            "sourceHash" : "37d03bc57ec3850548b24e145267bb715360aee0865352033fbaf0e897630266"
         },
         "blocks" : [
             {
@@ -124,18 +125,18 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa31e",
-                    "hash" : "0xd53ff081d8010933b872d1f9832a45dd88df4ba65acd655c293a0c81e46d71b5",
-                    "mixHash" : "0x433c6feaf4a04cf6ed8055e57845783e0b7990831555cefc303d13435a63f44b",
-                    "nonce" : "0x8dfb3adb35f02d04",
+                    "hash" : "0x1783a6d7a3c41d8fb9c934779c33dedcdd8a54cb7753bd33b0574ee794c9cb23",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x71c10835efdc7a74fe4929be88137002a665879ac2eb7bd9556a61dca668bcd1",
                     "receiptTrie" : "0x53c33d7d99b96b6b47f84a58febb0b1696996df22c970f9232c83453ad76d8d1",
-                    "stateRoot" : "0x3c3f1fa84f6e9f40bd031c2641ff7f5789a3ad38f62770bb6b46b9a2ed49d5af",
+                    "stateRoot" : "0x85b7f1548fa0aa477b8232ed6ada1e6361fab8f6a734a07efd6a8410453c191e",
                     "timestamp" : "0x03e8",
                     "transactionsTrie" : "0xec6a57e4973f6e046d48544dbdefff8286397777cc2c8660adcdb38c6b0ddabd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90260f901f8a071c10835efdc7a74fe4929be88137002a665879ac2eb7bd9556a61dca668bcd1a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a085b7f1548fa0aa477b8232ed6ada1e6361fab8f6a734a07efd6a8410453c191ea0ec6a57e4973f6e046d48544dbdefff8286397777cc2c8660adcdb38c6b0ddabda053c33d7d99b96b6b47f84a58febb0b1696996df22c970f9232c83453ad76d8d1b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082a31e8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f862f860010183030d4094c305c901078781c232a2a521c2af7980f8385ee980801ba05082ac608c80290af68a18d44edf0526a3abc6ea3652ab46f63e8953eb813b57a06b1bc1f0b9eb8de1e19d159c9efb8607c2f24643982b112c98ade3e28af22722c0",
                 "transactions" : [
                     {
                         "data" : "0x",
@@ -172,11 +173,11 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd53ff081d8010933b872d1f9832a45dd88df4ba65acd655c293a0c81e46d71b5",
+        "lastblockhash" : "0x1783a6d7a3c41d8fb9c934779c33dedcdd8a54cb7753bd33b0574ee794c9cb23",
         "network" : "Constantinople",
         "postState" : {
             "0x3535353535353535353535353535353535353535" : {
-                "balance" : "0x29a2241af62ca31e",
+                "balance" : "0x1bc16d674ec8a31e",
                 "code" : "",
                 "nonce" : "0x00",
                 "storage" : {
@@ -213,6 +214,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g0v0.json
index c6f0ed998..0c9f458cc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_0_0_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g0v0Filler.json",
-            "sourceHash" : "addbfdabb97590154045f98151c8d343472931358ceac67f8fe2fdf8baf28dd7"
+            "sourceHash" : "2f64c8e9f1898f88ae87ddc56941e17721ea4238c5ac87accf92acb50c810656"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xab8e",
-                    "hash" : "0xc197d5b62fb70116bb5b71c03714874621952b612c55c82bd34aab720077b1ce",
-                    "mixHash" : "0x0334b6317c20b1b34ca0c3404f2928e5771a3bc8591f70d92efb23b75a705f09",
-                    "nonce" : "0xdde69b1b8d86fbb5",
+                    "hash" : "0xcaddc788d67d2de37c430c864a60721a2a3c8f5bc8870a56b9aa0cb85649972b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
                     "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x53c0bd542b980c97665e76ec776b51551f3c9e138f7355641aa6fa724cfba92b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc197d5b62fb70116bb5b71c03714874621952b612c55c82bd34aab720077b1ce",
+        "lastblockhash" : "0xcaddc788d67d2de37c430c864a60721a2a3c8f5bc8870a56b9aa0cb85649972b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_0_0_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g0v0Filler.json",
+            "sourceHash" : "2f64c8e9f1898f88ae87ddc56941e17721ea4238c5ac87accf92acb50c810656"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xab8e",
+                    "hash" : "0x31fe4d69683a1ac15c11e6a3b04210f5a572b58ead8fa71490f7c0e50a6570ff",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+                    "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
+                    "stateRoot" : "0x34dc069256c97a8838f72b62febbfdaa9899cd3a1fe86e58403942e600bc43a1",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x53c0bd542b980c97665e76ec776b51551f3c9e138f7355641aa6fa724cfba92b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
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+                        "gasLimit" : "0x0f9858",
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+                        "v" : "0x1b",
+                        "value" : "0x00"
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+                ],
+                "uncleHeaders" : [
+                ]
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+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
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+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
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+            "hash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
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+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g1v0.json
index 5b4176a49..d499e8c9d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_0_0_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g1v0Filler.json",
-            "sourceHash" : "90e201df8700d9e440ad3bcbebbb7e93ae49eb694ba3db571f64de506dc5b6df"
+            "sourceHash" : "44067da157962298eaeb74cc2461c3b35551d2b1517fd5292d54979193a5c367"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xab8e",
-                    "hash" : "0x0278fb5256d89fbe88166141979cf0bd4a700f4c4000cfc98a70bb16cedf8562",
-                    "mixHash" : "0x2981b1a7433b738e2242c609ce605f5faba38c86b4d80fa49b01d0dd962082a7",
-                    "nonce" : "0x908a1f41b61d1cc3",
+                    "hash" : "0x9ca8558403ecbba221827e21611bfea5f557f097fdabcf5c20e95baea54b9a54",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
                     "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x66bfdefbb4e983fccd782f9e7c0491c4000014bfd806f0b036c97e7a0f702fd1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0278fb5256d89fbe88166141979cf0bd4a700f4c4000cfc98a70bb16cedf8562",
+        "lastblockhash" : "0x9ca8558403ecbba221827e21611bfea5f557f097fdabcf5c20e95baea54b9a54",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_0_0_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g1v0Filler.json",
+            "sourceHash" : "44067da157962298eaeb74cc2461c3b35551d2b1517fd5292d54979193a5c367"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xab8e",
+                    "hash" : "0x1b2222a69fa7a5bba8fdb1077a77c1b36526bc2271f7bf7369e64a750257cc63",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+                    "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
+                    "stateRoot" : "0x34dc069256c97a8838f72b62febbfdaa9899cd3a1fe86e58403942e600bc43a1",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x66bfdefbb4e983fccd782f9e7c0491c4000014bfd806f0b036c97e7a0f702fd1",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
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+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
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+                        "s" : "0x6e47ccacb07f4ae525aa5420fe7436fd8d13c928118bda4e3799e29fd6ecf12c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x50eafd9ece79636f8a4027956b0526035b0fa490869311997fca2558ea484f63",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1b2222a69fa7a5bba8fdb1077a77c1b36526bc2271f7bf7369e64a750257cc63",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaad7c",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615284",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760846004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g2v0.json
index 8cdcedac4..85ec83e50 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_0_0_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g2v0Filler.json",
-            "sourceHash" : "338f2eef11a8802fec63ece2747480b2a8786c8e82d83c7218e229d25bfaa69b"
+            "sourceHash" : "f312402996a88eee1f192a0b77c2bda5c21eb45ca08d7813c321e8a48f12437f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xab8e",
-                    "hash" : "0xbe925a7718c63e6743ace78c3d1aba81567cd64a270bd6890172954448cf50af",
-                    "mixHash" : "0x36572a065b731d42f556aec97a6e21360e0756d22e057c82c24b7dd778b46d70",
-                    "nonce" : "0x7723a658f76dbc9d",
+                    "hash" : "0x5cb74e2f98b6f5c09ea4461f6dc4339d443e80cffe8ac8da87149b5ddfb9f3d8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
                     "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6d2c2bf061dbd301faa28094c4366ba47b2bee1222be092dafcecd11af12ea75",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbe925a7718c63e6743ace78c3d1aba81567cd64a270bd6890172954448cf50af",
+        "lastblockhash" : "0x5cb74e2f98b6f5c09ea4461f6dc4339d443e80cffe8ac8da87149b5ddfb9f3d8",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_0_0_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g2v0Filler.json",
+            "sourceHash" : "f312402996a88eee1f192a0b77c2bda5c21eb45ca08d7813c321e8a48f12437f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xab8e",
+                    "hash" : "0xe16a19e02c050c160dc69a2dd88e3a7a9f31f37d7667203c255cddea721924c0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+                    "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
+                    "stateRoot" : "0x34dc069256c97a8838f72b62febbfdaa9899cd3a1fe86e58403942e600bc43a1",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6d2c2bf061dbd301faa28094c4366ba47b2bee1222be092dafcecd11af12ea75",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x17a21af2e6a03b73a57fe233e3f7bffcb4c6e1471ba03c7bee01b802ba4353b4",
+                        "s" : "0x423125dcac7f6dd824484da2287620f136c3cfaa8a4d7574be21388bd0b72d30",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x50eafd9ece79636f8a4027956b0526035b0fa490869311997fca2558ea484f63",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xe16a19e02c050c160dc69a2dd88e3a7a9f31f37d7667203c255cddea721924c0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaad7c",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615284",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g3v0.json
index c3142d9db..9c5ae3656 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_0_0_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g3v0Filler.json",
-            "sourceHash" : "ad9feb155bcd52c055e57e1d678ee2c9fcc3a1261c478dd2d73d0021459e32d0"
+            "sourceHash" : "2c31f4f5eead7211de4377c2e575d0c8dd195c67f77919c71023932a5ded8bc2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xab8e",
-                    "hash" : "0x2976357765310915ffd77abd9e3f9905a78c048a1677f10a34ae8a66b2ba26a8",
-                    "mixHash" : "0x3884b0821381f34c07eb930d4b9c6f06bafac9e10f0c8feb850643799576f5e9",
-                    "nonce" : "0x5b606494b9043be4",
+                    "hash" : "0xe1440401fd195393a1ab6ac43bc778ad41b49842ee6b4ff4417346e6416f54d3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
                     "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe66cee6f20dcacc71403229c40247be1b2210a6b506ffa5205979ce401327aaf",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2976357765310915ffd77abd9e3f9905a78c048a1677f10a34ae8a66b2ba26a8",
+        "lastblockhash" : "0xe1440401fd195393a1ab6ac43bc778ad41b49842ee6b4ff4417346e6416f54d3",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_0_0_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_1000000_d0g3v0Filler.json",
+            "sourceHash" : "2c31f4f5eead7211de4377c2e575d0c8dd195c67f77919c71023932a5ded8bc2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xab8e",
+                    "hash" : "0x17e345109f90d26fab0e50f8aa4e2d216ca594262def7ee5e6f110090541113e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+                    "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
+                    "stateRoot" : "0x34dc069256c97a8838f72b62febbfdaa9899cd3a1fe86e58403942e600bc43a1",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe66cee6f20dcacc71403229c40247be1b2210a6b506ffa5205979ce401327aaf",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xde0e589be9b99e79cbb7ce255194a1bca6f1a5030e308aeb89d99d5a26215326",
+                        "s" : "0x405f4eab564021adcb65367f740307fa9f9a229b93bb0f1ca53edbe4af34a939",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x50eafd9ece79636f8a4027956b0526035b0fa490869311997fca2558ea484f63",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x17e345109f90d26fab0e50f8aa4e2d216ca594262def7ee5e6f110090541113e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaad7c",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615284",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760846004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g0v0.json
index 431aef614..5b30af675 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_0_0_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g0v0Filler.json",
-            "sourceHash" : "7e10a57c27900e9accb8e6c6ca4dc8f67376ab68d5242e267090487c40d700a5"
+            "sourceHash" : "ab43cedcf7bea7e7fb1df37623d1856898e3010af8794a1bd10326b584950fab"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xab8e",
-                    "hash" : "0xde80123c313a2dbc2fab0b94c5eb2dd18b5b5dc1fc78a95f01677dc9cd17e41b",
-                    "mixHash" : "0x57b0e0dedbd1568744bfeca85e87655bd31eaaeaa8728503d36b34114683dc97",
-                    "nonce" : "0x98c77a0c8731d33f",
+                    "hash" : "0x264cce8e95e86789a7b65d7785b87327e990bab5f484c686062acbc21d9233bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
                     "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4bd9e4884c93b99ea493f67a066913e0e4e86e2f57f57d1337dfd6ea7b910489",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xde80123c313a2dbc2fab0b94c5eb2dd18b5b5dc1fc78a95f01677dc9cd17e41b",
+        "lastblockhash" : "0x264cce8e95e86789a7b65d7785b87327e990bab5f484c686062acbc21d9233bf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_0_0_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g0v0Filler.json",
+            "sourceHash" : "ab43cedcf7bea7e7fb1df37623d1856898e3010af8794a1bd10326b584950fab"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xab8e",
+                    "hash" : "0x8c42866c2dba48096b2e7e4b2e490ef6d6eb4132235638877391476a59426d76",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+                    "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
+                    "stateRoot" : "0x34dc069256c97a8838f72b62febbfdaa9899cd3a1fe86e58403942e600bc43a1",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4bd9e4884c93b99ea493f67a066913e0e4e86e2f57f57d1337dfd6ea7b910489",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x02b390",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xfcdda36f6a1936963ad6203c8d108dd7e641b26920d2a3e1bc68e9f6a5ec8231",
+                        "s" : "0x578ed176840b0d479723661935128e3623fc8b5489b9c130414f075f34862da3",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x50eafd9ece79636f8a4027956b0526035b0fa490869311997fca2558ea484f63",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8c42866c2dba48096b2e7e4b2e490ef6d6eb4132235638877391476a59426d76",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaad7c",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615284",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760846004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g1v0.json
index 86308011f..ce5cb0b22 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_0_0_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g1v0Filler.json",
-            "sourceHash" : "b43c96185545611b262a1747c252bb0b00aa109fc8cbb49da9c3dc115e3d2538"
+            "sourceHash" : "f647be54ea524e17d5c282eaf53dea6255d315761ba8dcc7dfa8de17b1d55a57"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xab8e",
-                    "hash" : "0x18a78dd6960f705f0fb0acba30da912be97226951080ed8621f317f63275579d",
-                    "mixHash" : "0x0bee694d45874a387ef672442390d35aff53a00717412268e18a911bdfc95256",
-                    "nonce" : "0xf41427245fb1f1db",
+                    "hash" : "0x9ca8558403ecbba221827e21611bfea5f557f097fdabcf5c20e95baea54b9a54",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
                     "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x66bfdefbb4e983fccd782f9e7c0491c4000014bfd806f0b036c97e7a0f702fd1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x18a78dd6960f705f0fb0acba30da912be97226951080ed8621f317f63275579d",
+        "lastblockhash" : "0x9ca8558403ecbba221827e21611bfea5f557f097fdabcf5c20e95baea54b9a54",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_0_0_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g1v0Filler.json",
+            "sourceHash" : "f647be54ea524e17d5c282eaf53dea6255d315761ba8dcc7dfa8de17b1d55a57"
+        },
+        "blocks" : [
+            {
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+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xab8e",
+                    "hash" : "0x1b2222a69fa7a5bba8fdb1077a77c1b36526bc2271f7bf7369e64a750257cc63",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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+                    "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
+                    "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
+                    "stateRoot" : "0x34dc069256c97a8838f72b62febbfdaa9899cd3a1fe86e58403942e600bc43a1",
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+                    "transactionsTrie" : "0x66bfdefbb4e983fccd782f9e7c0491c4000014bfd806f0b036c97e7a0f702fd1",
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+                "transactions" : [
+                    {
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+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
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+                        "v" : "0x1b",
+                        "value" : "0x00"
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+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x1b2222a69fa7a5bba8fdb1077a77c1b36526bc2271f7bf7369e64a750257cc63",
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+                "code" : "",
+                "nonce" : "0x00",
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+                }
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaad7c",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615284",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000002" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g2v0.json
index 1dea4db24..6d2185b2e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_0_0_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g2v0Filler.json",
-            "sourceHash" : "6c978bed6573a0790937cc10cdc8e4f90cc35c64ff0e4d366f806898104d7aec"
+            "sourceHash" : "146d02a6a3b3cdd5a5b22cd07be1d17365a2ff103e72da4122725715613f9f3f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xab8e",
-                    "hash" : "0xe0eaba3872f95f58281ad216a2e8c64c4a8f11d0f72c32b51fffcc2149edfb74",
-                    "mixHash" : "0xe9ff0e05e99a685abb96213ae2b47090099799e2b6435554af9d541fe51ca5f5",
-                    "nonce" : "0x25960e74eaa6b60d",
+                    "hash" : "0x5cb74e2f98b6f5c09ea4461f6dc4339d443e80cffe8ac8da87149b5ddfb9f3d8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e0988123199c209e92c5f6c436ed6b4654f37f89515f15c0b148092de68b338",
                     "receiptTrie" : "0xe3fd54c6c8f3b4a77c61defe791a6ee0ee83dc4dc65080cfce5924ff6ae0eb16",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6d2c2bf061dbd301faa28094c4366ba47b2bee1222be092dafcecd11af12ea75",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0xe0eaba3872f95f58281ad216a2e8c64c4a8f11d0f72c32b51fffcc2149edfb74",
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         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_0_0_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g3v0.json
index cb05c2e16..7c8cced6a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g3v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_0_0_155000_d0g3v0Filler.json",
-            "sourceHash" : "b38ab70d59b9d033b1568e4e76db6421aba632798ed73a04f12d4cc4724162fc"
+            "sourceHash" : "a69fb64a253070286605b3bc24892f3b6942d8a232334eaa8f9adca65a56f112"
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@@ -16,9 +16,9 @@
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g0v0.json
index d7729b1d0..3531656cb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_1000000_d0g0v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g0v0Filler.json",
-            "sourceHash" : "aecc9e16d832e086197b4408f1218b4123cf150e7c4d328dad1b2b6c5880269e"
+            "sourceHash" : "1beeafccfb06031e23245f7b9e71e2b862226c7e0bde495b9982f5ed5a8fb072"
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@@ -16,9 +16,9 @@
                     "extraData" : "",
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-                    "nonce" : "0xb0088ff8eef37128",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g1v0.json
index f9f6e8ea8..edbe7489c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g1v0Filler.json",
-            "sourceHash" : "72648917d75c2cdbf6d8453f6210bc230e126d2887f5f8e05a26df19cd58fd33"
+            "sourceHash" : "355db368ff7bb32a3c26f69b4cc79cdc080e95f041059f6d403a2936c3a1cf12"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x0d9c82deef6677485713b0d7ac76fd92990212b56d6ec4c4b4e71097053a9baa",
-                    "mixHash" : "0x4764795521d75034485dd0dbbee682c453ef52c5cf499072be9a1acc116ade0e",
-                    "nonce" : "0xde07ea18b1da50fc",
+                    "hash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x77342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5ee",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90327f901f8a0d78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c79b1db37b1bd55a8a16e71e94de9e8ffb9559e105a00a40070c3287c1acc027a077342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5eea09fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ac918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000001ba046532207f01e36451c39790e599fe47a7723a2c2feebc59f0296366542db7a22a01d84ea9efb68b9a725473b0c72149d8b8286fca65656f671ed991cd7588cfa0dc0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x0d9c82deef6677485713b0d7ac76fd92990212b56d6ec4c4b4e71097053a9baa",
+        "lastblockhash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g1v0Filler.json",
+            "sourceHash" : "355db368ff7bb32a3c26f69b4cc79cdc080e95f041059f6d403a2936c3a1cf12"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x32181676ada674d8e866d042b7e9ef3e9229ebe7d121e791c4a766e3874f15f8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x77342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5ee",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x46532207f01e36451c39790e599fe47a7723a2c2feebc59f0296366542db7a22",
+                        "s" : "0x1d84ea9efb68b9a725473b0c72149d8b8286fca65656f671ed991cd7588cfa0d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x32181676ada674d8e866d042b7e9ef3e9229ebe7d121e791c4a766e3874f15f8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760856004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g2v0.json
index 9d274be41..6c2378ae9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g2v0Filler.json",
-            "sourceHash" : "04b09d53bca14797b24aa42d389c85912422bc18b1b6fc8ffb60c33b3b264e9c"
+            "sourceHash" : "0710fb1695d2c609955c125d1d718c945947859a136d157c30f5d1cf20a7a7c4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x57b4cc8ebdb5046d4da3ea5d397737460f2f0b783842a68aa4c19319c7ab9305",
-                    "mixHash" : "0xe3f848fd886863a6fa72f732e6ce7535b1248ed0ab84a46cd2727f8c0473c387",
-                    "nonce" : "0xfc77328392473155",
+                    "hash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x57b4cc8ebdb5046d4da3ea5d397737460f2f0b783842a68aa4c19319c7ab9305",
+        "lastblockhash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g2v0Filler.json",
+            "sourceHash" : "0710fb1695d2c609955c125d1d718c945947859a136d157c30f5d1cf20a7a7c4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xa6e92977c94a6a5cd711b79614559589a00e45c26e55c7c1ceb73a32af71f3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x08d11cfd8e9c7f8a0c6bc23638566211869fd14fdfced3912d0fef7603768092",
+                        "s" : "0x7147b6c651e28d723d7ead92d6087c2b4909c426c97c5fa5b6938556069de557",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa6e92977c94a6a5cd711b79614559589a00e45c26e55c7c1ceb73a32af71f3ed",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760856004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g3v0.json
index 10396c217..d5cf94ada 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g3v0Filler.json",
-            "sourceHash" : "1040456082d171ac31f8482e75f319a19e89bbb4515bef4f64b1f502207a69ca"
+            "sourceHash" : "9e0ef05a2fd6442fffc726010d77d42596388b3db40caf293611e81fd2359ac1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x9d4dd7c5f31be1b1c66ee8cd3198c692d16d41bd8f7043cc0fff21e0492cabe6",
-                    "mixHash" : "0xd10afd15b69aa19a0b3cbd88186c8e2fc9a3ab6e5c802389d224ff0364a87964",
-                    "nonce" : "0x6cad8a6793a47747",
+                    "hash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9d4dd7c5f31be1b1c66ee8cd3198c692d16d41bd8f7043cc0fff21e0492cabe6",
+        "lastblockhash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_1000000_d0g3v0Filler.json",
+            "sourceHash" : "9e0ef05a2fd6442fffc726010d77d42596388b3db40caf293611e81fd2359ac1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x27eb0568ded1f93b7537b512f2630c5c7e34122c5e2db4bb780f1b811fa4b4bf",
+                        "s" : "0x5a1cb4eb3d73e4d186ee7c92769a9d6eca4c30cec8f976c9af9dc791f10281c2",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g0v0.json
index 36db5b4a9..5edb2de21 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g0v0Filler.json",
-            "sourceHash" : "e88961e9da61fe1e2eddddd7eac1c0c3fa43a061e72769828d2ceee7580ff08b"
+            "sourceHash" : "0a4b7514bd4ab17e53e42fdaa422000bb4987ea307e6ff3a53423b768ac4d6a0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x8a4797ce1bab5abb588d106f3ddbe1f7a9fc6ab08eed80491464a25aa05e1970",
-                    "mixHash" : "0x7dff64abe90652cb732da827b5e835413cd26cb504f20b851548c63dd10e0ff1",
-                    "nonce" : "0x84a7757b23cba3ef",
+                    "hash" : "0x19196f6c858a9ac8302ebf1d8aff0610b9580b5df7e47847435c0ffa41115825",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd02b90f4e491febd7a54fe47554802d0b59a6de44d8ca6bdac16f04464802979",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8a4797ce1bab5abb588d106f3ddbe1f7a9fc6ab08eed80491464a25aa05e1970",
+        "lastblockhash" : "0x19196f6c858a9ac8302ebf1d8aff0610b9580b5df7e47847435c0ffa41115825",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g0v0Filler.json",
+            "sourceHash" : "0a4b7514bd4ab17e53e42fdaa422000bb4987ea307e6ff3a53423b768ac4d6a0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xa006bf0179a522673c295994d508b66e87da54aa20b2781d562fb8417f1139d9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd02b90f4e491febd7a54fe47554802d0b59a6de44d8ca6bdac16f04464802979",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
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+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x02b490",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc5ab123eec40967902c8c8b240167bd36278a3fc9818114a75153d89bd3c2f9a",
+                        "s" : "0x381253fb844e93039f77e50a25e1d03688dcb2a2ea219d12729d352b3d2563e0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa006bf0179a522673c295994d508b66e87da54aa20b2781d562fb8417f1139d9",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g1v0.json
index 0c5d12acd..dbbc419e5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g1v0Filler.json",
-            "sourceHash" : "335369b36fd0fe662ece6ad0c74e6d503e13362c581e78343531e6f44858b794"
+            "sourceHash" : "1767cdac3e96859182c9bf13a644639b836e9facefefc072b96a3f9f3e8e9589"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xb96e4741e8f820488e2d1f24a72496b27cf42e87bcdfeed43b7ce4144096e87a",
-                    "mixHash" : "0xb584f53234a92f9fd9121dcf08de131dd9c091630cc97bb904a73722a323fa6c",
-                    "nonce" : "0x3c8c478f3e72de9e",
+                    "hash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x77342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5ee",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb96e4741e8f820488e2d1f24a72496b27cf42e87bcdfeed43b7ce4144096e87a",
+        "lastblockhash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+            "sourceHash" : "1767cdac3e96859182c9bf13a644639b836e9facefefc072b96a3f9f3e8e9589"
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+                    "gasLimit" : "0x05f5e100",
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g2v0.json
index 182f33601..cd1f5a676 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g2v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g2v0Filler.json",
-            "sourceHash" : "40415f58a3723857c918cc827ce5e240d00fd40093604736055167a3a510fb75"
+            "sourceHash" : "9e2ff172df8384e0c83b2f30984882d2a24327787b6b5e553889aaa29bc3675c"
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@@ -16,9 +16,9 @@
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-                    "nonce" : "0x37d823ff14bac549",
+                    "hash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g3v0.json
index 6260092f6..442e65c99 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_155000_d0g3v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_155000_d0g3v0Filler.json",
-            "sourceHash" : "0ee1da6ced1f5c00076a3b4f1a053d04db17cc65f29908eb96491fa4c8f31bdb"
+            "sourceHash" : "a9686e1b66f7212bb6200a67fb78bb170a5e5bdf73c6779b0776a717a536c59a"
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@@ -16,9 +16,9 @@
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-                    "nonce" : "0x8af78cc0b294529a",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g0v0.json
index 0f26575ec..65ca05772 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g0v0Filler.json",
-            "sourceHash" : "306b3efcfedf345c221ae443c532cb303576b6b96626b4b84e4bcfa7e056f73b"
+            "sourceHash" : "34db32be9148a1ba2c0b35db366db5755e7b85a57471ddec4272d941befd77c1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa72c",
-                    "hash" : "0xc794c5a75f24d205cab19430e54321d37d20f08503463a1e34227cf42bb4f615",
-                    "mixHash" : "0x6d2ea2a1206e2b9b60435e84762a83a2ba47682cbff0f2d5411527029bba19b7",
-                    "nonce" : "0xe1ac5a940b4d0b50",
+                    "hash" : "0x7fce221faf23c7a0982ad067b5d5860ef5bc451b0de167de525afbff83dc8580",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x55f79ba03035bb146847b2dac7ecb0f4d5710c2c06e250ac1556b51cbb384420",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xff0aae8e95c0f9eed20986a75e41ecc08190558763d7b634b19e7852375cb659",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc794c5a75f24d205cab19430e54321d37d20f08503463a1e34227cf42bb4f615",
+        "lastblockhash" : "0x7fce221faf23c7a0982ad067b5d5860ef5bc451b0de167de525afbff83dc8580",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g0v0Filler.json",
+            "sourceHash" : "34db32be9148a1ba2c0b35db366db5755e7b85a57471ddec4272d941befd77c1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xa72c",
+                    "hash" : "0xda7fac6e6ed0c9cc517c1959e8c73d5a0876e4964a009591ee70439bc87e614b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x55f79ba03035bb146847b2dac7ecb0f4d5710c2c06e250ac1556b51cbb384420",
+                    "stateRoot" : "0x40b9724acb029d2c52ab3699dbdfbb282b4de6705ad4f70660c3c3d9c208e074",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xff0aae8e95c0f9eed20986a75e41ecc08190558763d7b634b19e7852375cb659",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xa72c",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xe361d4e37219fb64bc015abef864eb328d5d583b8ac581d37f57e2f8c73db8b3",
+                        "s" : "0x223eaae08321d95675f17b002108b8506265f96923d714f718d896c3c8c1b782",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xda7fac6e6ed0c9cc517c1959e8c73d5a0876e4964a009591ee70439bc87e614b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaa91a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a76156e6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g1v0.json
index 1a8ec000b..2ad563fe3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g1v0Filler.json",
-            "sourceHash" : "eb589f57ac29ac0854718b5c5a00184ae602e9b717b84f5979b403bbfc5c4d3b"
+            "sourceHash" : "19165763f0d7742b1caf51c473afc7236631005fb0a29b398d03f43040481b21"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x6453b1c1fcc3be55a70ca2525f040bc8d22726c0b41cbab7375cc54df449b263",
-                    "mixHash" : "0xce61714d75cfb4d960af9b9afe14eb54f6309b48a0f8d1bcc59269a015e35a4e",
-                    "nonce" : "0xcf197feb39b552b3",
+                    "hash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x77342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5ee",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6453b1c1fcc3be55a70ca2525f040bc8d22726c0b41cbab7375cc54df449b263",
+        "lastblockhash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g1v0Filler.json",
+            "sourceHash" : "19165763f0d7742b1caf51c473afc7236631005fb0a29b398d03f43040481b21"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x32181676ada674d8e866d042b7e9ef3e9229ebe7d121e791c4a766e3874f15f8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x77342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5ee",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x46532207f01e36451c39790e599fe47a7723a2c2feebc59f0296366542db7a22",
+                        "s" : "0x1d84ea9efb68b9a725473b0c72149d8b8286fca65656f671ed991cd7588cfa0d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x32181676ada674d8e866d042b7e9ef3e9229ebe7d121e791c4a766e3874f15f8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g2v0.json
index bdd08f98e..decf0503d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g2v0Filler.json",
-            "sourceHash" : "0fa3278ed8c8b26e744d7f4cd313279e88e80e25dfefbfb83397a0b98ed3d8b8"
+            "sourceHash" : "7b7bd6a2e72fb28afe386998c8052ae29abeebb46b03cf042b135c1f65b3fa7f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x0b99a40baa77978eda62a5b60aa9a56cf80cd415968d4d7cabfd8150db3a34a0",
-                    "mixHash" : "0x92a766a0d538234d1d9d23d8048d6231bda0778eae52a125872cce3e5fbe2c06",
-                    "nonce" : "0x54c059be93e1ac61",
+                    "hash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0b99a40baa77978eda62a5b60aa9a56cf80cd415968d4d7cabfd8150db3a34a0",
+        "lastblockhash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g2v0Filler.json",
+            "sourceHash" : "7b7bd6a2e72fb28afe386998c8052ae29abeebb46b03cf042b135c1f65b3fa7f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xa6e92977c94a6a5cd711b79614559589a00e45c26e55c7c1ceb73a32af71f3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x08d11cfd8e9c7f8a0c6bc23638566211869fd14fdfced3912d0fef7603768092",
+                        "s" : "0x7147b6c651e28d723d7ead92d6087c2b4909c426c97c5fa5b6938556069de557",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa6e92977c94a6a5cd711b79614559589a00e45c26e55c7c1ceb73a32af71f3ed",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g3v0.json
index 9f711851c..c7710b7ab 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g3v0Filler.json",
-            "sourceHash" : "d79a8426f60fb1ea3d441630e696ccb7f2e44d04adcddf2c1ac18f5d2dd716a7"
+            "sourceHash" : "e0d8f13210402c193052f7f2fb57c956acaf24904e624bb77f61a4368207752d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x866fe08fcca947933bf293a422b7c84e73c3b668ddf0e949c7d905a63cbfc8b3",
-                    "mixHash" : "0x0213f8c4b49d530750cc5acd2552a85ae26f8f9d3cab40c7d6bff590129515ca",
-                    "nonce" : "0xfdfb3d43a6b208d0",
+                    "hash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x866fe08fcca947933bf293a422b7c84e73c3b668ddf0e949c7d905a63cbfc8b3",
+        "lastblockhash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_20500_d0g3v0Filler.json",
+            "sourceHash" : "e0d8f13210402c193052f7f2fb57c956acaf24904e624bb77f61a4368207752d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x27eb0568ded1f93b7537b512f2630c5c7e34122c5e2db4bb780f1b811fa4b4bf",
+                        "s" : "0x5a1cb4eb3d73e4d186ee7c92769a9d6eca4c30cec8f976c9af9dc791f10281c2",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
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+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760856004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g0v0.json
index 4f021df2d..7c2a2bc84 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g0v0Filler.json",
-            "sourceHash" : "179f5a06db3359bcda8dc235a5a332e388b4c800cc2499048ce4ed5f0ee872ed"
+            "sourceHash" : "b7757fdac8d3ab2185206bfda77bee838e5df6cebee46344478a6901eb41f888"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xa5c41326c109b97b984a3da8cd608891ac00e09ca9c1de0c44cd2385ca03d33a",
-                    "mixHash" : "0x8414ea27c458750365c6e1e5dd7acb5a4b3c62b20abf5fd73966d5e23bbb244b",
-                    "nonce" : "0xa1ea16d83a61ffec",
+                    "hash" : "0xeed87f7e409148ee7bb6dd118c966bbc814684e805d2ee6f1d2430c573c7fc38",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4d7974ec87c5ae4be67f0cacc8f451e3df639c2169866b12a7e839475d38844e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0xa5c41326c109b97b984a3da8cd608891ac00e09ca9c1de0c44cd2385ca03d33a",
+        "lastblockhash" : "0xeed87f7e409148ee7bb6dd118c966bbc814684e805d2ee6f1d2430c573c7fc38",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+            "sourceHash" : "b7757fdac8d3ab2185206bfda77bee838e5df6cebee46344478a6901eb41f888"
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g1v0.json
index da5441479..d6843e08d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g1v0.json
@@ -2,10 +2,10 @@
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g1v0Filler.json",
-            "sourceHash" : "121f5d53994f1619c6f86738a6d15ba52d61c776cf8176e10ffd0f06cc21638e"
+            "sourceHash" : "4e624f086d164305c521cb68317dfefe92a0c2b7145d37076a30f79c6057360b"
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@@ -16,9 +16,9 @@
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-                    "nonce" : "0xd88201e8eb5a67f8",
+                    "hash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x00",
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+                "nonce" : "0x01",
+                "storage" : {
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+            },
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g2v0.json
index 6c11939d9..3b13792c0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g2v0Filler.json",
-            "sourceHash" : "0f8c4baddea1050d9cf4a2904d7657a8b6e874bc0e62f1899754914fd2553963"
+            "sourceHash" : "2041f6ce20230a08cf6fc90dab2d1b688bdb90dca88706050da2c4e5e8b15325"
         },
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xac91",
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-                    "mixHash" : "0xf08122d0f3daf30b73147ce0705b4ddfc3bfb5408a7350431c048f313ed07527",
-                    "nonce" : "0xd660ddea6f37d8b4",
+                    "hash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0xe1d143a6e9964db36629dbc1b5b81567f07298da1b914acfb30b15b10e609b4e",
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             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
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-        }
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g3v0.json
index 76f9c24f9..93cd5eee4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g3v0Filler.json",
-            "sourceHash" : "0da29d36feb064c13c5ed565091ef32584ed77ba4ff923636bde154010364b85"
+            "sourceHash" : "a9bee3fdf4d2c150ffb70c8a5a2e5868dc03ae0a8d4a8ff088a96e357ba58527"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x7a06ef240be3ad14ea749b7042b76f93c12a4b5f9a21589661a47856b385afb6",
-                    "mixHash" : "0xd75d53f93c882514f2d07fb44264fc8b3c253fe24baa7654e8be2a91e6507331",
-                    "nonce" : "0xa8524085047dac32",
+                    "hash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7a06ef240be3ad14ea749b7042b76f93c12a4b5f9a21589661a47856b385afb6",
+        "lastblockhash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_22000_d0g3v0Filler.json",
+            "sourceHash" : "a9bee3fdf4d2c150ffb70c8a5a2e5868dc03ae0a8d4a8ff088a96e357ba58527"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x27eb0568ded1f93b7537b512f2630c5c7e34122c5e2db4bb780f1b811fa4b4bf",
+                        "s" : "0x5a1cb4eb3d73e4d186ee7c92769a9d6eca4c30cec8f976c9af9dc791f10281c2",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g0v0.json
index e2c8d0717..cbb0c7196 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g0v0Filler.json",
-            "sourceHash" : "deb0b849e9a80f9aac58e35c71b8b7abee2d09cacacee83a69557bb971950b00"
+            "sourceHash" : "cb40227367c16aef8915556951a9a51898cf993f4597c85569255010b33951d7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x2fc8cc60309452d6e518df7750109d9f8331b0b39434554957c5d04002e7a470",
-                    "mixHash" : "0xe71733574917a73ed0c3b998ac532643054401533665733ea868885d7adae022",
-                    "nonce" : "0x5091e7ec8af48075",
+                    "hash" : "0xea359d2c029a1fcb684cc0da1b42c12d5a3e1b420ad5dd9e32f1347e88f3cb71",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x23a9489fb941fcac123c38a55fea5a29ef8301efe870572733404e58f7f2867b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90326f901f8a0d78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c79b1db37b1bd55a8a16e71e94de9e8ffb9559e105a00a40070c3287c1acc027a023a9489fb941fcac123c38a55fea5a29ef8301efe870572733404e58f7f2867ba09fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ac918203e880a0e71733574917a73ed0c3b998ac532643054401533665733ea868885d7adae022885091e7ec8af48075f90127f90124010182b8c094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000001ba01e4b577d19e54db4cd30ebf6cbac387cbeed2478f2293f4c7f1c2604873f3b3fa018b015910d828e809b4463529bb55f0deb5f23b4a1f992642f7e4b1102f1eb8bc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2fc8cc60309452d6e518df7750109d9f8331b0b39434554957c5d04002e7a470",
+        "lastblockhash" : "0xea359d2c029a1fcb684cc0da1b42c12d5a3e1b420ad5dd9e32f1347e88f3cb71",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g0v0Filler.json",
+            "sourceHash" : "cb40227367c16aef8915556951a9a51898cf993f4597c85569255010b33951d7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x8669601a6aecc00a913000783a27146b7121cf29b0d1b78e172cf3dbf7f03f28",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x23a9489fb941fcac123c38a55fea5a29ef8301efe870572733404e58f7f2867b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xb8c0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x1e4b577d19e54db4cd30ebf6cbac387cbeed2478f2293f4c7f1c2604873f3b3f",
+                        "s" : "0x18b015910d828e809b4463529bb55f0deb5f23b4a1f992642f7e4b1102f1eb8b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8669601a6aecc00a913000783a27146b7121cf29b0d1b78e172cf3dbf7f03f28",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g1v0.json
index 5a6f83383..b11cdf2ba 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g1v0Filler.json",
-            "sourceHash" : "0a6859e36529d76e8680a29f2786949593cadbcbbb2e0936a6f750142a5ccf52"
+            "sourceHash" : "7ee292b395e24867ef745c01b4872a309a9075417ce592d01193b28bf41e14bd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x4cc1c246575f51670e4f837afea68ee6653b40c7998026ba47427ceabc8b9003",
-                    "mixHash" : "0x060b8827c844c4f5cd500f65e17d72fa1ca31830de0887e5afbc2e687c4daac3",
-                    "nonce" : "0x9791536b65995eaa",
+                    "hash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x77342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5ee",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a0d78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c79b1db37b1bd55a8a16e71e94de9e8ffb9559e105a00a40070c3287c1acc027a077342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5eea09fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ac918203e880a0060b8827c844c4f5cd500f65e17d72fa1ca31830de0887e5afbc2e687c4daac3889791536b65995eaaf90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000001ba046532207f01e36451c39790e599fe47a7723a2c2feebc59f0296366542db7a22a01d84ea9efb68b9a725473b0c72149d8b8286fca65656f671ed991cd7588cfa0dc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4cc1c246575f51670e4f837afea68ee6653b40c7998026ba47427ceabc8b9003",
+        "lastblockhash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g1v0Filler.json",
+            "sourceHash" : "7ee292b395e24867ef745c01b4872a309a9075417ce592d01193b28bf41e14bd"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x32181676ada674d8e866d042b7e9ef3e9229ebe7d121e791c4a766e3874f15f8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x77342150db1475011d4f8e6d6bc10b71fd64029ecfddfa4d60af210e79ebb5ee",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x46532207f01e36451c39790e599fe47a7723a2c2feebc59f0296366542db7a22",
+                        "s" : "0x1d84ea9efb68b9a725473b0c72149d8b8286fca65656f671ed991cd7588cfa0d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x32181676ada674d8e866d042b7e9ef3e9229ebe7d121e791c4a766e3874f15f8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g2v0.json
index 765fca4f9..2b4591afa 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g2v0Filler.json",
-            "sourceHash" : "8d400b4d4abe49cb05be7dc885dff83fccc18a72fb4aaa76ed272b0e5487f620"
+            "sourceHash" : "81036a401a89dbee9aa3a979a1852b274732ad807c98c308d5888abd0d374029"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xf287962b26586e2f231d21bc329b8ead84bb1c973df772c93955edd9c5c408a7",
-                    "mixHash" : "0x2c68c57d3278152804a15bb90ac3bd3034312a3900b705bdbc6feea9ebf1be0e",
-                    "nonce" : "0xaaf09601ffb2df8a",
+                    "hash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf287962b26586e2f231d21bc329b8ead84bb1c973df772c93955edd9c5c408a7",
+        "lastblockhash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g2v0Filler.json",
+            "sourceHash" : "81036a401a89dbee9aa3a979a1852b274732ad807c98c308d5888abd0d374029"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xa6e92977c94a6a5cd711b79614559589a00e45c26e55c7c1ceb73a32af71f3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x08d11cfd8e9c7f8a0c6bc23638566211869fd14fdfced3912d0fef7603768092",
+                        "s" : "0x7147b6c651e28d723d7ead92d6087c2b4909c426c97c5fa5b6938556069de557",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa6e92977c94a6a5cd711b79614559589a00e45c26e55c7c1ceb73a32af71f3ed",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g3v0.json
index dfba7d757..f60940b73 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g3v0Filler.json",
-            "sourceHash" : "b833d890b1f3b7a39411587980bb57cff01b66861d23b91f76867be37ba38d78"
+            "sourceHash" : "8d3cf31f3a25af4e807127447905e19a6c71fb64a8b9760e1a047c635912f658"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xa180e52c52ddd255b3e098f292dde935b4a3f953bcca1c77db34b09924643ff8",
-                    "mixHash" : "0x65eb66bf07484499157b709e7e45966f1259f897953e930d139ec79a6909db69",
-                    "nonce" : "0xbccf878e1787e191",
+                    "hash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa180e52c52ddd255b3e098f292dde935b4a3f953bcca1c77db34b09924643ff8",
+        "lastblockhash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_25000_d0g3v0Filler.json",
+            "sourceHash" : "8d3cf31f3a25af4e807127447905e19a6c71fb64a8b9760e1a047c635912f658"
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
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+                    "gasLimit" : "0x05f5e100",
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+                    "hash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
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+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g0v0.json
index 255a2daf5..340d7e56b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g0v0.json
@@ -2,10 +2,10 @@
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g0v0Filler.json",
-            "sourceHash" : "330da61b1105a8efe9e69450f94a79f2e4a66d8989f122c407dc014376ed291c"
+            "sourceHash" : "af633e5983222203db539209b14add8a1cb82421540af0e73ef58d93de43d17a"
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         "blocks" : [
             {
@@ -16,9 +16,9 @@
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                     "gasUsed" : "0xac91",
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-                    "mixHash" : "0x0d93d9f7d8198055324159756a6197fd35f9e64e6df9f8c31376c3836899b9ad",
-                    "nonce" : "0xf640949400e01bf4",
+                    "hash" : "0x1eb90a405aee4f3f0526efc1497c5dff3d145f19effeb293e1ef698c975d723f",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x01",
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g1v0.json
index b7bcfe8cf..7998d97c1 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g1v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g1v0Filler.json",
-            "sourceHash" : "e9e03ea034b99c90f38ed1641965e0cff7ce9a7c8844735a25e56ef8340bd2c3"
+            "sourceHash" : "9d584af96615f012d69154d0ca645eaf45ebfd62dc38379ca2b532a810991a81"
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             {
@@ -16,9 +16,9 @@
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-                    "nonce" : "0xa2888de9358470df",
+                    "hash" : "0xcfb73e205e4eae6c74314bfa9ffbad8bac7432daea3938203aa90929a19e9c84",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g2v0.json
index e6cc85e35..9b47b1e8f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g2v0Filler.json",
-            "sourceHash" : "0999117aea7477857f69b996e4557199693def58bcf59be9afe6d750902f76b1"
+            "sourceHash" : "b623784b28cc1a4d917eaed3f1a3684e8c1849a2f8600ea7f1b756468b8775a4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x8b6248f1e6d6b4050ee852b299c80ce3f9fa15e31a203182a780d5f60ab14e13",
-                    "mixHash" : "0xf015941e44eac4789bf39f82216bb19be2ccb97cacd1a9ca9bc6c8dd4da44608",
-                    "nonce" : "0xccf4ea2505c39ebf",
+                    "hash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90327f901f8a0d78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c79b1db37b1bd55a8a16e71e94de9e8ffb9559e105a00a40070c3287c1acc027a0591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6a09fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ac918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000001ba008d11cfd8e9c7f8a0c6bc23638566211869fd14fdfced3912d0fef7603768092a07147b6c651e28d723d7ead92d6087c2b4909c426c97c5fa5b6938556069de557c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8b6248f1e6d6b4050ee852b299c80ce3f9fa15e31a203182a780d5f60ab14e13",
+        "lastblockhash" : "0x8a5d19014870a5bdc99db819cd288a128f64c8c03f4629de590150d03c72f793",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g2v0Filler.json",
+            "sourceHash" : "b623784b28cc1a4d917eaed3f1a3684e8c1849a2f8600ea7f1b756468b8775a4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xa6e92977c94a6a5cd711b79614559589a00e45c26e55c7c1ceb73a32af71f3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591f2aa2e99431f5a8ee38441401a2cec792d6f9172e33598e687f0d3a752fe6",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x08d11cfd8e9c7f8a0c6bc23638566211869fd14fdfced3912d0fef7603768092",
+                        "s" : "0x7147b6c651e28d723d7ead92d6087c2b4909c426c97c5fa5b6938556069de557",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xa6e92977c94a6a5cd711b79614559589a00e45c26e55c7c1ceb73a32af71f3ed",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g3v0.json
index 94cea6f34..35743853b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_1_0_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g3v0Filler.json",
-            "sourceHash" : "7f292f797136fe42052792f12791ee80a2e47da9b2386048311d8357ccad25e7"
+            "sourceHash" : "8af7e18ce1b89f76860931ee05bf06876b20770244c54bced39d5d79e40f4745"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xc00421d419e5188f0cb56d8045246a5ea8d203bb0308b4dca7efe177fb4321a5",
-                    "mixHash" : "0x9ac72b9c035955a03133590e5e44f5908fe56c9f996b05b1cc9e7bb27e353436",
-                    "nonce" : "0x4fbc8b9713818545",
+                    "hash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc00421d419e5188f0cb56d8045246a5ea8d203bb0308b4dca7efe177fb4321a5",
+        "lastblockhash" : "0x8ce0c4c67b1c81ef4e49bb23836376d2d847c95d106e91d36adbf51d0e00c83e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_1_0_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_1_0_35000_d0g3v0Filler.json",
+            "sourceHash" : "8af7e18ce1b89f76860931ee05bf06876b20770244c54bced39d5d79e40f4745"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x43eb49821a009bfbded806f601ff91a0073360da8fa308975473ccd7234e8597",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x27eb0568ded1f93b7537b512f2630c5c7e34122c5e2db4bb780f1b811fa4b4bf",
+                        "s" : "0x5a1cb4eb3d73e4d186ee7c92769a9d6eca4c30cec8f976c9af9dc791f10281c2",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd362084ab60c0d8631a4acc770fa1f9b9f29d16c74bfb3f180f4e0a9318607db",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760856004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g0v0.json
index 35142b672..33a66c717 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g0v0Filler.json",
-            "sourceHash" : "c8359462a2493ae132d8bbb67c0bd1fec64b3a4e88dfad36dc134c16ff8c4e7c"
+            "sourceHash" : "5d05ce30b3319b66746a158b22742be1b9d5798a9df22831edf04dbe2ce3d185"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x63e30c74b05fa22a3a021d7fa6538660a736d57a40d54d92270ae36d8c893a35",
-                    "mixHash" : "0xcba8841b4559da60636a5bc63b303d86db23d5534eadbe193490ce75b52eb583",
-                    "nonce" : "0x3a686ba2f4506a10",
+                    "hash" : "0xd23251373d8a879c34759e1911f99c4d69e65ba92c2b1dff8949f223bc5b2400",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc87adc496dda3baf0ab32d5a23201e458785d5ddd90b537a659efa4903c30390",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x63e30c74b05fa22a3a021d7fa6538660a736d57a40d54d92270ae36d8c893a35",
+        "lastblockhash" : "0xd23251373d8a879c34759e1911f99c4d69e65ba92c2b1dff8949f223bc5b2400",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g0v0Filler.json",
+            "sourceHash" : "5d05ce30b3319b66746a158b22742be1b9d5798a9df22831edf04dbe2ce3d185"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x0a264130a9fd4265c38558e4024de968aca6c30f69445ef1ec5d522cc09c5ce2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc87adc496dda3baf0ab32d5a23201e458785d5ddd90b537a659efa4903c30390",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0f99d8",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x05e9309df45a60f0e4afb73e18d9c98884087a8acc42f498041cdd325e061e0c",
+                        "s" : "0x14bcd692e975b3b29a890daaec09101beac5ff23bdb8a65f979914470742ae5d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0a264130a9fd4265c38558e4024de968aca6c30f69445ef1ec5d522cc09c5ce2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g1v0.json
index efb04980f..b8092978c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g1v0Filler.json",
-            "sourceHash" : "9e20fbdcdd46114bf5ff32719f70ed75cf267d7b3bdd97fa0e56254f3c20c2fc"
+            "sourceHash" : "4c5811dd46290b1b7b270ae871c8f78b12fce9e8e4e6da1ce5ab5514d668fe88"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xda122b2f0e194216514fdd93c61ff84375b2cf6cedc92d45a9bc55e607663e9e",
-                    "mixHash" : "0x907e742218a6b12d9d07433c87b546b03b1184b41cee6b6be0a837893c86def8",
-                    "nonce" : "0x33f911be8169b9f2",
+                    "hash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xda122b2f0e194216514fdd93c61ff84375b2cf6cedc92d45a9bc55e607663e9e",
+        "lastblockhash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g1v0Filler.json",
+            "sourceHash" : "4c5811dd46290b1b7b270ae871c8f78b12fce9e8e4e6da1ce5ab5514d668fe88"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x51c72809f8b6c0c9dd8b06f5a055f8d64b183aae9431a99886a5d6e200e5d41a",
+                        "s" : "0x300e70347077b0bdad01a9795f03520d7e27c1cb53029a665af7384aa175116e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g2v0.json
index 653f8d9f2..a1d080aa7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g2v0Filler.json",
-            "sourceHash" : "799068f605b8a8f8c8d9526a3bd3674ad96ff938eb9419db58b93fb964cf51fd"
+            "sourceHash" : "c164fac3349d6b67e9f6b668221bc202bb781769eda52c0bbbb38492e42ffab5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x97b34f8869c644ad37cc87e72ba45681207b39f834888d53e107de1bc0f5397b",
-                    "mixHash" : "0xa8e99f575251675f0aaf1efa36909d4e3fe2332b89a12ad3f7fc477d06ab4f87",
-                    "nonce" : "0x02e8e1fb6b509742",
+                    "hash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a033dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0bd272d564f64e174963e9049610bfc3f90dbc4602af1dd3566805ac5571bbb7fa0ae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38a0da7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad118203e880a0a8e99f575251675f0aaf1efa36909d4e3fe2332b89a12ad3f7fc477d06ab4f878802e8e1fb6b509742f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103640000000000000000000000000000000000000000000000000000000000001ca08267f052cd65e6e81d6839b98fe6d87505aac350d8018f5a23895f701164650ba037c421c870d8b01c12415e26675872e89bcd9dde4c623db53a494dec5df533edc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a07264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x97b34f8869c644ad37cc87e72ba45681207b39f834888d53e107de1bc0f5397b",
+        "lastblockhash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+            "sourceHash" : "c164fac3349d6b67e9f6b668221bc202bb781769eda52c0bbbb38492e42ffab5"
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+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "nonce" : "0x01",
+                "storage" : {
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+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g3v0.json
index 40f9fb47b..f9a564d3a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_1000000_d0g3v0Filler.json",
-            "sourceHash" : "39b76e02e3694bdac24b81a8132bfc11bed9a9239bb476c9a768b84bed6bd5d8"
+            "sourceHash" : "1d74359d5f82ed95a47a539fe18120386132fad4c423c6417900702a6cc20dc3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
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-                    "mixHash" : "0x75bf0b5d3e86d3fcfe771ccc7aa7df333399b164bc9abe66e9055a5f4885980f",
-                    "nonce" : "0x87e4bdd9821cd808",
+                    "hash" : "0x700812170f28b4b92ad8c53e691b407b1d0be26daa3aec5ff1e6cdb6651f77cf",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
                 "storage" : {
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-        }
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+                }
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
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+                "nonce" : "0x01",
+                "storage" : {
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g0v0.json
index 92907b483..579d100b7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_155000_d0g0v0_Byzantium" : {
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             "comment" : "",
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g0v0Filler.json",
-            "sourceHash" : "55d6e1320a4f23b4e21b1cd46be4f9eebd54559a857d858fb57b9a77cda2982d"
+            "sourceHash" : "9ceffa2314f026f9dab839611a052a1bc915ec763c54f4eb1f134427343398e3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xad11",
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-                    "mixHash" : "0x0c2b72b1517ec2aa0be273a6f1d237e163ba3b3745811d17514efa85ca1c216d",
-                    "nonce" : "0x8db487517643e515",
+                    "hash" : "0x3bed1bfd02df85ef8affae96a113eff7c40c5b44f838457c1dfe091b3ac49f9a",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g1v0.json
index e7e87ee3c..0368859f7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g1v0Filler.json",
-            "sourceHash" : "e925a73cb03f514f43a82a36d8e31bdc09760b797f5df8130b8adfedd3b959ac"
+            "sourceHash" : "fc18de3990ebae29a61df30e9cb005e011c80ba9c3bbb0fef91652035a423d25"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xd5510ef41a71ead1fcdd0cf696d897358c5f1a876d3faed809f93ee293e3d652",
-                    "mixHash" : "0x3cc7e1c749b18512099bb1ccb642cee4116233f1bfd3becbcaac8ec8254b3b86",
-                    "nonce" : "0x4ff93b4d3f42c454",
+                    "hash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd5510ef41a71ead1fcdd0cf696d897358c5f1a876d3faed809f93ee293e3d652",
+        "lastblockhash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g1v0Filler.json",
+            "sourceHash" : "fc18de3990ebae29a61df30e9cb005e011c80ba9c3bbb0fef91652035a423d25"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x51c72809f8b6c0c9dd8b06f5a055f8d64b183aae9431a99886a5d6e200e5d41a",
+                        "s" : "0x300e70347077b0bdad01a9795f03520d7e27c1cb53029a665af7384aa175116e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g2v0.json
index 5300bc729..7ddc23cbf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g2v0Filler.json",
-            "sourceHash" : "726eae9de89d3553fdd23101981c0420ef1808b0276317d99c487baa005d7fde"
+            "sourceHash" : "8e779e0351b81d804cc86e18dd536c4621c0d186c94f8d5f28054e4aa9a867c0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x22a88f8eb3e9c91c31e582f3fbb48089944f79f1f121e2f3d265d30a0997ac1c",
-                    "mixHash" : "0x980433ed2faa1edeffbc4ab6c1e72a78caf35ac08a986a7eff51152335f4eed8",
-                    "nonce" : "0xdce411f71334f6c4",
+                    "hash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x22a88f8eb3e9c91c31e582f3fbb48089944f79f1f121e2f3d265d30a0997ac1c",
+        "lastblockhash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g2v0Filler.json",
+            "sourceHash" : "8e779e0351b81d804cc86e18dd536c4621c0d186c94f8d5f28054e4aa9a867c0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x19c4de63588a2ab34416b8b659301853dfa78332d87dee3bd8f237ca59270963",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90327f901f8a033dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a065bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694a0ae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38a0da7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad118203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103640000000000000000000000000000000000000000000000000000000000001ca08267f052cd65e6e81d6839b98fe6d87505aac350d8018f5a23895f701164650ba037c421c870d8b01c12415e26675872e89bcd9dde4c623db53a494dec5df533edc0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x8267f052cd65e6e81d6839b98fe6d87505aac350d8018f5a23895f701164650b",
+                        "s" : "0x37c421c870d8b01c12415e26675872e89bcd9dde4c623db53a494dec5df533ed",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x19c4de63588a2ab34416b8b659301853dfa78332d87dee3bd8f237ca59270963",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g3v0.json
index a44123ad0..0301fa5f5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g3v0Filler.json",
-            "sourceHash" : "f3aa713c1ba640ecaa1fca3c876a149f197bfde54fe9629338c1942b423206fb"
+            "sourceHash" : "8ad883cbd40d3dfc3988757bf18db94549365bcbca3c8a3944c8ab7006a86266"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x9689481b78c6c18ab94f97d5a6214d1fbc10611600840fb9ff393be7e4b3846d",
-                    "mixHash" : "0x8bdbdbffb4f804fdc27067c3dbd72ebbcbd80fd5d2083edf25345ec643a33fed",
-                    "nonce" : "0x28a49fe5d07ebba6",
+                    "hash" : "0x700812170f28b4b92ad8c53e691b407b1d0be26daa3aec5ff1e6cdb6651f77cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfd908138f87a967ade42cef98322e836921ee3d0cc7fe54a952ffef12c3d89db",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9689481b78c6c18ab94f97d5a6214d1fbc10611600840fb9ff393be7e4b3846d",
+        "lastblockhash" : "0x700812170f28b4b92ad8c53e691b407b1d0be26daa3aec5ff1e6cdb6651f77cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_155000_d0g3v0Filler.json",
+            "sourceHash" : "8ad883cbd40d3dfc3988757bf18db94549365bcbca3c8a3944c8ab7006a86266"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc7ebde77de252679f349dfe2862a9049bbd2901438cd2722276289ea777cda68",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfd908138f87a967ade42cef98322e836921ee3d0cc7fe54a952ffef12c3d89db",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90327f901f8a033dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a065bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694a0fd908138f87a967ade42cef98322e836921ee3d0cc7fe54a952ffef12c3d89dba0da7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad118203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f90125010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103640000000000000000000000000000000000000000000000000000000000001ba0da55d964eeb5c7bcbfa8c862460997fcf1b953d1501e918f23d21ac95eeff6bda00529106d03cfb1dab7735c9934d747d71f1a38a5ca3eef0a33450d1a9f678cf2c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xda55d964eeb5c7bcbfa8c862460997fcf1b953d1501e918f23d21ac95eeff6bd",
+                        "s" : "0x0529106d03cfb1dab7735c9934d747d71f1a38a5ca3eef0a33450d1a9f678cf2",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc7ebde77de252679f349dfe2862a9049bbd2901438cd2722276289ea777cda68",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g0v0.json
index 685e8b119..09a5bd163 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g0v0Filler.json",
-            "sourceHash" : "1dc57e46f27f63e588c8e6fb0054eadd906b729ffd72c4b0fdef4e396cff0af7"
+            "sourceHash" : "d34c48894a3b0425fa93f7c3816116c38c52f3ae0bd523a160ea58d60873c19a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa7ac",
-                    "hash" : "0x23d2cdeb37bae1367046f9b00ee89d7e127b39d1831aad998ce31c6482f534b5",
-                    "mixHash" : "0xde780ef7e5ef035b9b8aea335c7d3e1824c23f3f0cb5ad9586e7f8d8497f4579",
-                    "nonce" : "0x5b5cf2ee15cbd63b",
+                    "hash" : "0x9cb76c11eee366bf73a39a79e2073f5e116d6e16088ffbfff068e2d60835aeed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0x6f4316f7db8044d8a72c0e11cfd3c3d6dcb136efe778d036bb62e821462271db",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x769b76fdf6577cfc3cd56a0669ca3367c455d59683c0d856d24863d8d08fbb4e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a07264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x23d2cdeb37bae1367046f9b00ee89d7e127b39d1831aad998ce31c6482f534b5",
+        "lastblockhash" : "0x9cb76c11eee366bf73a39a79e2073f5e116d6e16088ffbfff068e2d60835aeed",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g0v0Filler.json",
+            "sourceHash" : "d34c48894a3b0425fa93f7c3816116c38c52f3ae0bd523a160ea58d60873c19a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xa7ac",
+                    "hash" : "0xb9f0430ee29dad73a2163d5f4669e9a6d0cd89a0372b3766c3d7498881604c65",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0x6f4316f7db8044d8a72c0e11cfd3c3d6dcb136efe778d036bb62e821462271db",
+                    "stateRoot" : "0x562bcb529a071d53ce3c2e976ab9f5b6d7f45e1fa210d29bc3d05595bdd735f7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x769b76fdf6577cfc3cd56a0669ca3367c455d59683c0d856d24863d8d08fbb4e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xa7ac",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc58125c0a477f1d94c4d7c78a6354c7d44c547db7673e05659987966e36699a3",
+                        "s" : "0x599176c63de9da50fdc052f16aae3fb7c6daebf3b7678a824e834cf7943ee126",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb9f0430ee29dad73a2163d5f4669e9a6d0cd89a0372b3766c3d7498881604c65",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaa99a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615666",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g1v0.json
index 571a6f6ec..f15d581f0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g1v0Filler.json",
-            "sourceHash" : "b9e3df66dd8fc7e491fc8a3f4224ecd883a26f9f8c0fb81d3dc6e24465eec378"
+            "sourceHash" : "93fd08f11cefa710baf97561aef73971f7d30ddcbaf360530d6233ce0fe9dc4b"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x102e7b720adb6c24189a9d8c3cb4c56d724384514edaef385aed6f73292fbe44",
-                    "mixHash" : "0xc10e9082d86298390572bdbe9ed18661fb4e4874215f7da4e095f99e0e322a06",
-                    "nonce" : "0x4f827aef386eda35",
+                    "hash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x102e7b720adb6c24189a9d8c3cb4c56d724384514edaef385aed6f73292fbe44",
+        "lastblockhash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g1v0Filler.json",
+            "sourceHash" : "93fd08f11cefa710baf97561aef73971f7d30ddcbaf360530d6233ce0fe9dc4b"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x51c72809f8b6c0c9dd8b06f5a055f8d64b183aae9431a99886a5d6e200e5d41a",
+                        "s" : "0x300e70347077b0bdad01a9795f03520d7e27c1cb53029a665af7384aa175116e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
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+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
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+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g2v0.json
index b77d2fd95..030902187 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g2v0Filler.json",
-            "sourceHash" : "c60b8210e2ddf2fb59e37c6484cc6e6b39c64d536f51545708e39a21a95bd95b"
+            "sourceHash" : "f080b5678ab28089820e85676a18af3ee28787e7b82795dfe2b01ba0dbb332a7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x6195dc8f10829a77aa207e3c294362a19543261a79c77c2185c327bdb8a8ebdc",
-                    "mixHash" : "0xa1ed4cc8768299f6e1eebac463a21ce1bf94beeedd53509d98ea4e6e0e4832e5",
-                    "nonce" : "0xf3978f45b3e4a045",
+                    "hash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x6195dc8f10829a77aa207e3c294362a19543261a79c77c2185c327bdb8a8ebdc",
+        "lastblockhash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+            "sourceHash" : "f080b5678ab28089820e85676a18af3ee28787e7b82795dfe2b01ba0dbb332a7"
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+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g3v0.json
index 8c582493e..42589c7f4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_20500_d0g3v0_Byzantium" : {
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             "comment" : "",
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_20500_d0g3v0Filler.json",
-            "sourceHash" : "27a6c0ed4fe3899f51d2367460b90c9fe4b44c0b6b3a415df510f50fffb5b2c3"
+            "sourceHash" : "78a723adac4d36cb5276cb6937814d523e27db943c3269bbd6ca776d6083e182"
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         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xad11",
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-                    "mixHash" : "0x222afd355429d7df609bc3ea0618bb113fc6218c394feace687aa717de80c7c9",
-                    "nonce" : "0x2c66e7c55cd283ec",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
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+                "nonce" : "0x01",
+                "storage" : {
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g0v0.json
index 03dea276f..cd1066eee 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_22000_d0g0v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g0v0Filler.json",
-            "sourceHash" : "5cec1bcf411afc81dd260de12224f4400f0c937edc47237ad12971cc0f98fbc5"
+            "sourceHash" : "bd23c672fed846474de47b852454496952b9db25f03625718c16f6c8964de546"
         },
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@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xad11",
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-                    "nonce" : "0xe9a9e6215167e578",
+                    "hash" : "0x673136e58065cdb2a69455e8b56f984c4f7144f7ac3616c50a2bee8450eeb69a",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g1v0.json
index f658fb621..2797fd9df 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g1v0Filler.json",
-            "sourceHash" : "3363973747d27aa9e046f487b9af0f3431792a6c55fd33cdd61a4e0dab3b3a44"
+            "sourceHash" : "c9af8420be01192aef14dc0c11d3f44a0267dc14c6a90463a6ddc5d05e294ce6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x468ad088bab83ee1c2be7769691941ba77cf41d5f71c84362c0b60f0ac2e7cd3",
-                    "mixHash" : "0x2e72134912296d27c0bda382070d04782724c95df041a4a00f85fd3c85882cc7",
-                    "nonce" : "0x275e3370de357ce6",
+                    "hash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a033dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0bd272d564f64e174963e9049610bfc3f90dbc4602af1dd3566805ac5571bbb7fa052fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bada0da7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad118203e880a02e72134912296d27c0bda382070d04782724c95df041a4a00f85fd3c85882cc788275e3370de357ce6f90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103640000000000000000000000000000000000000000000000000000000000001ca051c72809f8b6c0c9dd8b06f5a055f8d64b183aae9431a99886a5d6e200e5d41aa0300e70347077b0bdad01a9795f03520d7e27c1cb53029a665af7384aa175116ec0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x468ad088bab83ee1c2be7769691941ba77cf41d5f71c84362c0b60f0ac2e7cd3",
+        "lastblockhash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g1v0Filler.json",
+            "sourceHash" : "c9af8420be01192aef14dc0c11d3f44a0267dc14c6a90463a6ddc5d05e294ce6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x51c72809f8b6c0c9dd8b06f5a055f8d64b183aae9431a99886a5d6e200e5d41a",
+                        "s" : "0x300e70347077b0bdad01a9795f03520d7e27c1cb53029a665af7384aa175116e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g2v0.json
index a49e08a49..a1393d868 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g2v0Filler.json",
-            "sourceHash" : "4f88393def8d02759c2f247cd1bc808100027a9e73b83a3fc700094fd0157902"
+            "sourceHash" : "7c13907591514d98a66cbd029f2d5dda85ddc3d1d702557f02dddec6805ec18e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x5fa2dfd525b6bceeb330e5315db67522fa1a7a0d1efe3fab42f82625c3740d8a",
-                    "mixHash" : "0x4ef0be67ccff466c141d72151c47007277a0b76b2081539e15fee19649a6da1a",
-                    "nonce" : "0x82fd7a5cdcd9c74c",
+                    "hash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5fa2dfd525b6bceeb330e5315db67522fa1a7a0d1efe3fab42f82625c3740d8a",
+        "lastblockhash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g2v0Filler.json",
+            "sourceHash" : "7c13907591514d98a66cbd029f2d5dda85ddc3d1d702557f02dddec6805ec18e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x19c4de63588a2ab34416b8b659301853dfa78332d87dee3bd8f237ca59270963",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90327f901f8a033dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a065bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694a0ae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38a0da7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad118203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103640000000000000000000000000000000000000000000000000000000000001ca08267f052cd65e6e81d6839b98fe6d87505aac350d8018f5a23895f701164650ba037c421c870d8b01c12415e26675872e89bcd9dde4c623db53a494dec5df533edc0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x8267f052cd65e6e81d6839b98fe6d87505aac350d8018f5a23895f701164650b",
+                        "s" : "0x37c421c870d8b01c12415e26675872e89bcd9dde4c623db53a494dec5df533ed",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x19c4de63588a2ab34416b8b659301853dfa78332d87dee3bd8f237ca59270963",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760866004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g3v0.json
index 65fb0cef4..c66a0ddd6 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g3v0Filler.json",
-            "sourceHash" : "3b06968e8c36b3445514b368008778c6cc2a6b0363e2bcf93301c55ae72b5ffd"
+            "sourceHash" : "1eba93aebb0fa906d1fd2867100eeedb4b14443e62efd9289fb356902a4f9665"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xdad20add4b8af39cdfdc9eb76a05504d3407a31a8bc5331a403874fa99056c1a",
-                    "mixHash" : "0xe4b55402deb9886525df5c614539a586df7713f66f0e371b3150ca2ab88ef63c",
-                    "nonce" : "0x814bd2397541dee9",
+                    "hash" : "0x700812170f28b4b92ad8c53e691b407b1d0be26daa3aec5ff1e6cdb6651f77cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfd908138f87a967ade42cef98322e836921ee3d0cc7fe54a952ffef12c3d89db",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdad20add4b8af39cdfdc9eb76a05504d3407a31a8bc5331a403874fa99056c1a",
+        "lastblockhash" : "0x700812170f28b4b92ad8c53e691b407b1d0be26daa3aec5ff1e6cdb6651f77cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_22000_d0g3v0Filler.json",
+            "sourceHash" : "1eba93aebb0fa906d1fd2867100eeedb4b14443e62efd9289fb356902a4f9665"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc7ebde77de252679f349dfe2862a9049bbd2901438cd2722276289ea777cda68",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfd908138f87a967ade42cef98322e836921ee3d0cc7fe54a952ffef12c3d89db",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xda55d964eeb5c7bcbfa8c862460997fcf1b953d1501e918f23d21ac95eeff6bd",
+                        "s" : "0x0529106d03cfb1dab7735c9934d747d71f1a38a5ca3eef0a33450d1a9f678cf2",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc7ebde77de252679f349dfe2862a9049bbd2901438cd2722276289ea777cda68",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g0v0.json
index 2fab57bab..7c0a70aca 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g0v0Filler.json",
-            "sourceHash" : "b8508702d5af3f494a49d1f3f9c0a80bf4710da88cd903c0f3bc9b67173abd9e"
+            "sourceHash" : "997cecc74440117b2652fd657515b82646054e5af4315dba88e782aa36bf75a7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x54ae552b459c8d3f9e294cbb496211b5d76b1cb52b03995baa2c9b4dc61cd366",
-                    "mixHash" : "0x611976cab7614186308193de17d7ec7a8c05ced7d2d64ab3b2f884b8bd4c38e3",
-                    "nonce" : "0x80454a4235130be0",
+                    "hash" : "0x8ae6851cfad09ec904207ea0389d8d18863a8db4453fc22790ab1ae90152e3f3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3895678d1bb8c733c3c44cc0fe0db781d32b253e2bc70e631bd5d034f7939697",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x54ae552b459c8d3f9e294cbb496211b5d76b1cb52b03995baa2c9b4dc61cd366",
+        "lastblockhash" : "0x8ae6851cfad09ec904207ea0389d8d18863a8db4453fc22790ab1ae90152e3f3",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g0v0Filler.json",
+            "sourceHash" : "997cecc74440117b2652fd657515b82646054e5af4315dba88e782aa36bf75a7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xac6ecd61250bc7368fd5b4ceee4f88f7f79a64da64fb0861c4df5cfdefc09373",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3895678d1bb8c733c3c44cc0fe0db781d32b253e2bc70e631bd5d034f7939697",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xb940",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xe29cd1325b3d357e4bdf23a619308cd61fc332b14325ca39819d3ae697b97084",
+                        "s" : "0x6a5a5dd588953736548bdc1e4441fd9deecfcbba0e34cf4243befc4d33a89717",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xac6ecd61250bc7368fd5b4ceee4f88f7f79a64da64fb0861c4df5cfdefc09373",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g1v0.json
index ae72f417e..d03db5e31 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g1v0Filler.json",
-            "sourceHash" : "e9864644daa8be92c07f9b1db0279c06b996971de6cc67dd72d18de6e77dc841"
+            "sourceHash" : "996912ddf0b0a145003e3158e131790e036ef24f18b2757a525702f1a447526a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x481f8220144bbcbfe790bc2994eb968a93505dc0cc52a1cc1cd03724090a1a32",
-                    "mixHash" : "0xd27d65c500189824199e9c6012730d356ac1d0bf8b9fd9cb28d88935d11b1d2e",
-                    "nonce" : "0x247c869741ec32eb",
+                    "hash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x481f8220144bbcbfe790bc2994eb968a93505dc0cc52a1cc1cd03724090a1a32",
+        "lastblockhash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g1v0Filler.json",
+            "sourceHash" : "996912ddf0b0a145003e3158e131790e036ef24f18b2757a525702f1a447526a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x51c72809f8b6c0c9dd8b06f5a055f8d64b183aae9431a99886a5d6e200e5d41a",
+                        "s" : "0x300e70347077b0bdad01a9795f03520d7e27c1cb53029a665af7384aa175116e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g2v0.json
index 4944d2120..3104eed22 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g2v0Filler.json",
-            "sourceHash" : "7514c6d52865bdfe9e8002c970e2b90ef25ae0c36a99a545b6f64289000be0d2"
+            "sourceHash" : "ec6469d085a909755b75019749cce2f35ec3cc86e09b3b386b732ae8ef8bc747"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xe776df3581c1a6184998bf24ad2688c5db5c1d4fe13bd11a472bb65853f34972",
-                    "mixHash" : "0x68da0037184ca199562127cb0a4cdd6c3cc89ceff95dc82ecd3c87125a31d7a5",
-                    "nonce" : "0x63a5d7c3c952b6f3",
+                    "hash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0xe776df3581c1a6184998bf24ad2688c5db5c1d4fe13bd11a472bb65853f34972",
+        "lastblockhash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g2v0Filler.json",
+            "sourceHash" : "ec6469d085a909755b75019749cce2f35ec3cc86e09b3b386b732ae8ef8bc747"
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+                "nonce" : "0x01",
+                "storage" : {
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+            },
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g3v0.json
index 765c0bbab..ade7aa5d8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_25000_d0g3v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_25000_d0g3v0Filler.json",
-            "sourceHash" : "01286a188822be064d6ac762038f292432db919590be4c724f3926c60d840fb9"
+            "sourceHash" : "b99ecf8bb67fce4ff3eb35e80dbbaf63809e82c990177d8b8c9d01b9fb35f379"
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xad11",
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-                    "mixHash" : "0xb50c597d9ddc7bce29c6a0a0fccfe0fa6021f180cb4d5c92a930feb79f295e92",
-                    "nonce" : "0xb844b85037f5e118",
+                    "hash" : "0x700812170f28b4b92ad8c53e691b407b1d0be26daa3aec5ff1e6cdb6651f77cf",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x02",
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g0v0.json
index 3781b79d6..87effb772 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g0v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g0v0Filler.json",
-            "sourceHash" : "4b58c6149b3bd3457511b11dcfc6e21be391873342f5e02b6198281892f29eb8"
+            "sourceHash" : "f9007a268a4433db853397010cb9fbfe2b0f7b7329f3a960afe01c44a17603bd"
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             {
@@ -16,9 +16,9 @@
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-                    "nonce" : "0xb28588cb9d6c1f42",
+                    "hash" : "0xee2616e48f7359593deabd1c290edd70a4258055f44b74b8c2992c2076432c20",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g1v0.json
index 25e81d431..314561653 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g1v0Filler.json",
-            "sourceHash" : "fb5fcea66acc0ed9ecbb2cf6becec64ee75548d6c204318f240b91b9524edb97"
+            "sourceHash" : "5b5bd40fe320333d2783cb8b188db7a68587bc85f52d0bd77dc1c8e0a8d4fb4f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x1857030137b96cbbed717f8b095993a402021131208e353001a3b159bd4a7d5a",
-                    "mixHash" : "0xa8cab8cfb604e8f53fd0573c6cc268eec6d6f6d9048bcd7305ba85f7e5f4e532",
-                    "nonce" : "0x75b8b96be6df0ef0",
+                    "hash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a07264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x1857030137b96cbbed717f8b095993a402021131208e353001a3b159bd4a7d5a",
+        "lastblockhash" : "0xd271ed12a0e1413df04af605a23eb8ffa0f44cc42d54a697ab91e73fe786b99e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g1v0Filler.json",
+            "sourceHash" : "5b5bd40fe320333d2783cb8b188db7a68587bc85f52d0bd77dc1c8e0a8d4fb4f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x52fb41494ffbab8ea9dc4e7de20465cdcec95f75b6e414e78dd36af187a08bad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x51c72809f8b6c0c9dd8b06f5a055f8d64b183aae9431a99886a5d6e200e5d41a",
+                        "s" : "0x300e70347077b0bdad01a9795f03520d7e27c1cb53029a665af7384aa175116e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc1380364e352e2bb56dee1606374d7ee7c3db708858a41d24235de0397086f05",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760866004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g2v0.json
index 5e45c223b..1c00400a8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g2v0Filler.json",
-            "sourceHash" : "159ac954b4daf0be7fc67391808a3d5a04487a39502e80d84b342a71b93d3d65"
+            "sourceHash" : "67a08e0306038d96bc7685d2cab38e9cf4fa8ae0302ed4467e5d2b1766580a6d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x94df92affc292805f033128c9a2becc8e253c13fdc5c1ec24bd91085ff0576a2",
-                    "mixHash" : "0x34ac3b0e0b5f8698306777ad119a5cda96dbc52a0a8cbcdcfd7a1e9c808f5de2",
-                    "nonce" : "0xa34000cce9957ba5",
+                    "hash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x94df92affc292805f033128c9a2becc8e253c13fdc5c1ec24bd91085ff0576a2",
+        "lastblockhash" : "0xdec659879fccb9a851e3138f2627e1425c7c32dd2e3164d3720ace90a27e1b4e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g2v0Filler.json",
+            "sourceHash" : "67a08e0306038d96bc7685d2cab38e9cf4fa8ae0302ed4467e5d2b1766580a6d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x19c4de63588a2ab34416b8b659301853dfa78332d87dee3bd8f237ca59270963",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xae1a82b7c7c163b9183fef3fa91b11763a9a64cd183b4094765aebebd262ec38",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x8267f052cd65e6e81d6839b98fe6d87505aac350d8018f5a23895f701164650b",
+                        "s" : "0x37c421c870d8b01c12415e26675872e89bcd9dde4c623db53a494dec5df533ed",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x19c4de63588a2ab34416b8b659301853dfa78332d87dee3bd8f237ca59270963",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g3v0.json
index 634f30f82..15fe2b31c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_0_3_100_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g3v0Filler.json",
-            "sourceHash" : "852fe950bb2dc137914081b66de1fa6d4f0fe73b9b5a71fc1c8863185968129f"
+            "sourceHash" : "9aade585edbd5af07690039779d387a1abab7bb3781210034b62731f6193ed34"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x5b856972d61e3b48053d0d15fa50d5bcc9f7306d67bc076f55dd23e670c0bbe4",
-                    "mixHash" : "0x632eeb4e58da8c205c0ccdf9e68ba45ca332aeb251dd4760a67b89e6cd90ff41",
-                    "nonce" : "0x6a7757515fa8ca1c",
+                    "hash" : "0x700812170f28b4b92ad8c53e691b407b1d0be26daa3aec5ff1e6cdb6651f77cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfd908138f87a967ade42cef98322e836921ee3d0cc7fe54a952ffef12c3d89db",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5b856972d61e3b48053d0d15fa50d5bcc9f7306d67bc076f55dd23e670c0bbe4",
+        "lastblockhash" : "0x700812170f28b4b92ad8c53e691b407b1d0be26daa3aec5ff1e6cdb6651f77cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_0_3_100_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_0_3_100_35000_d0g3v0Filler.json",
+            "sourceHash" : "9aade585edbd5af07690039779d387a1abab7bb3781210034b62731f6193ed34"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xc7ebde77de252679f349dfe2862a9049bbd2901438cd2722276289ea777cda68",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfd908138f87a967ade42cef98322e836921ee3d0cc7fe54a952ffef12c3d89db",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010364000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xda55d964eeb5c7bcbfa8c862460997fcf1b953d1501e918f23d21ac95eeff6bd",
+                        "s" : "0x0529106d03cfb1dab7735c9934d747d71f1a38a5ca3eef0a33450d1a9f678cf2",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a07264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xc7ebde77de252679f349dfe2862a9049bbd2901438cd2722276289ea777cda68",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g0v0.json
index f319c7c3a..05c156b4d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g0v0Filler.json",
-            "sourceHash" : "bb9471086140e276ec9b2ad338d8514601f59c7164453c5ba2253751b653071e"
+            "sourceHash" : "891813bfba4d173e81697d530c8cf46304790ea5a1dd0330847221978ed02831"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x51917ed966e6aa62d21afcf08cfd16b23b4c2703d350bbd87498dcb0daa65517",
-                    "mixHash" : "0xc112806a90abd7f7ba3ffc4abdd5314fe65fa2093faa56be0fe55cf0ad1093af",
-                    "nonce" : "0x3504fbc89a5a1a03",
+                    "hash" : "0x0ab1f77e2ee6eb136dfb48751a73f066de99d11ab35317e13d412c58fba7271f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8b5effc9b4ce2426ae150ad500b2061ba4c27dc831f73f71b76d27b636fcb325",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x51917ed966e6aa62d21afcf08cfd16b23b4c2703d350bbd87498dcb0daa65517",
+        "lastblockhash" : "0x0ab1f77e2ee6eb136dfb48751a73f066de99d11ab35317e13d412c58fba7271f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g0v0Filler.json",
+            "sourceHash" : "891813bfba4d173e81697d530c8cf46304790ea5a1dd0330847221978ed02831"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xeb7894313db64643b15a33a52c518c3680eb59c3c36c0fa619054c312ff85cf6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8b5effc9b4ce2426ae150ad500b2061ba4c27dc831f73f71b76d27b636fcb325",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0f9958",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x166e46c8f5101e748c558ff1ffcf7de42bdf050ce1e6f1b29d4fc1f7dd8068fe",
+                        "s" : "0x30ea331a16e7de1e6e85eaf5ced87ebb348ed860bf3f60599642b4282495e0b5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xeb7894313db64643b15a33a52c518c3680eb59c3c36c0fa619054c312ff85cf6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g1v0.json
index 8b5d97c35..7683fac6a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g1v0Filler.json",
-            "sourceHash" : "21adb8e2402601e3fb5a4438b8579051292f6f4182adb2050d2795418d5652a3"
+            "sourceHash" : "8a9e8bc8001b20e71388fe1fea2b74821f31556c3d75617a83fc16159595d52c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x5c695fbceef176914f49ece51e8ba8cca8c143055818fc9fbe0dc8d997b201b1",
-                    "mixHash" : "0xe1282a920f94cad1207bba59cdc4339326c9ef1fc57495bd6116a7228d1069dc",
-                    "nonce" : "0x158b095a2bf49ef9",
+                    "hash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5c695fbceef176914f49ece51e8ba8cca8c143055818fc9fbe0dc8d997b201b1",
+        "lastblockhash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g1v0Filler.json",
+            "sourceHash" : "8a9e8bc8001b20e71388fe1fea2b74821f31556c3d75617a83fc16159595d52c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x3395918f12a62e033b285e566f862e3603e798b2e4347649d54fa9ab07bfe531",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2214539c32c7214b9168e5222145db7cd99064ce46063d872aa9f8dcc75d8f9c",
+                        "s" : "0x63bf940a4350154f34dfd083b62cf5a70095cec1ce1ee36669d8517f1e49d21f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x3395918f12a62e033b285e566f862e3603e798b2e4347649d54fa9ab07bfe531",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760856004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g2v0.json
index 44545c46d..cac551b42 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g2v0Filler.json",
-            "sourceHash" : "df78447e573f3282d4bde30496041997c8eed606c2ee317ef547eee2e3510f9d"
+            "sourceHash" : "1d2d1ecdc7892973e2442f6f6a11231ff2be476dcc6dc91ac8aae99b5757a2e0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xdc121c0bca90a1e3299133be9a951d7fe47f92bfd16aee3a759b71a36f122188",
-                    "mixHash" : "0x50d6487965a45607364d881663076054dbab11aadbb2cbd322fdd89356ef81c7",
-                    "nonce" : "0x9e7c7154be2845a8",
+                    "hash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdc121c0bca90a1e3299133be9a951d7fe47f92bfd16aee3a759b71a36f122188",
+        "lastblockhash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g2v0Filler.json",
+            "sourceHash" : "1d2d1ecdc7892973e2442f6f6a11231ff2be476dcc6dc91ac8aae99b5757a2e0"
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+        "blocks" : [
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
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+                    "gasLimit" : "0x05f5e100",
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+                        "v" : "0x1c",
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+                "nonce" : "0x01",
+                "storage" : {
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+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g3v0.json
index 946e0ef34..a28e5485e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_1000000_d0g3v0_Byzantium" : {
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             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_1000000_d0g3v0Filler.json",
-            "sourceHash" : "e904e0a7ff1c7ef5ce8196ed15cde779efa989b76dbac7e2ba38bc88b33be99e"
+            "sourceHash" : "2a1876e532130b7633222d28a35c47c5b7f1a32c6f5a0d3af8bb106288b9a669"
         },
         "blocks" : [
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@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
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-                    "mixHash" : "0x6363af0f9dc9d3d1e0824089641cb233b762affc2875d99be4574bcbad0fcf2c",
-                    "nonce" : "0x2cf553fce1374bf2",
+                    "hash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x02",
+                "storage" : {
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+                "nonce" : "0x00",
+                "storage" : {
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+                "nonce" : "0x01",
+                "storage" : {
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g0v0.json
index e40ca62c6..f6de77594 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g0v0Filler.json",
-            "sourceHash" : "7c1e715cf601e70760438c351cee985a092d4356e6d7f5e7513edad986dd0fa7"
+            "sourceHash" : "7a3e9a4b5c225f8bb58eba6297282b3293ec3cd0ceb0f346df46d2d2fdbba856"
         },
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xac91",
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-                    "mixHash" : "0x91929d67e79c2f4d54a55589f8927fedf3913bc5872f43cd729906bc8980fad3",
-                    "nonce" : "0x4f0f2e8d1fc06f96",
+                    "hash" : "0x05be1a49726cb5d1bfa0a0eaa203df7dfc61c3ddddd018fb0a4054db35fcbb51",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x05e9ba854480b366419ebe166e1d5f166f4f31f7f00a42e85c50a16c1d35ead8",
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@@ -224,6 +224,235 @@
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-        }
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g1v0.json
index d043daf15..9a691b821 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g1v0Filler.json",
-            "sourceHash" : "64b0b543440f5c531f1d138da5c6e0d265d4c34f29584766efef7d905078146e"
+            "sourceHash" : "465907e4de4c0bcd6e6a05da6153368dd92941a2186e0f64f469d178d5369a4f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x415a388e85e6f1213817b64500329769e01f33b284ca0fac6beb316d2dc637d7",
-                    "mixHash" : "0x000ca6182a135de6c6a629afdf86f11edb3bca8f4ad3e11766b9da6a25810911",
-                    "nonce" : "0xc949dc2b5d11087b",
+                    "hash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x415a388e85e6f1213817b64500329769e01f33b284ca0fac6beb316d2dc637d7",
+        "lastblockhash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g1v0Filler.json",
+            "sourceHash" : "465907e4de4c0bcd6e6a05da6153368dd92941a2186e0f64f469d178d5369a4f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x3395918f12a62e033b285e566f862e3603e798b2e4347649d54fa9ab07bfe531",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2214539c32c7214b9168e5222145db7cd99064ce46063d872aa9f8dcc75d8f9c",
+                        "s" : "0x63bf940a4350154f34dfd083b62cf5a70095cec1ce1ee36669d8517f1e49d21f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3395918f12a62e033b285e566f862e3603e798b2e4347649d54fa9ab07bfe531",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g2v0.json
index 04422589b..7bdfb67b3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g2v0Filler.json",
-            "sourceHash" : "1a468a148aad219afd01c0013e11ca1ea5ee427e1345c94a6b2ceb2005dc1c51"
+            "sourceHash" : "662afb64c7f198a80dc9f305dfd9847eb78aaec6b46a9bebce83616f9f5eb181"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x129a1d9309ea0704b8532c73279a1f66a468add647c7b4ffe620513e19fdedeb",
-                    "mixHash" : "0xaf36df1f9aa1fef7c2e3abf4c9ad4aa7be9c570f71bce1cf0d386ab6bf7c3984",
-                    "nonce" : "0x9a4dd5954467a342",
+                    "hash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a0d78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c79b1db37b1bd55a8a16e71e94de9e8ffb9559e105a00a40070c3287c1acc027a0fd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8ea09fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ac918203e880a0af36df1f9aa1fef7c2e3abf4c9ad4aa7be9c570f71bce1cf0d386ab6bf7c3984889a4dd5954467a342f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000001ca01ea70b86d65e1ed1d5b3a0af1e0af052ca88c0cf229568c613f7fb889e904f1ba05524c08dcad27789f8c31c22d07dd1c45de9ae29774a4449a497502a8311203cc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x129a1d9309ea0704b8532c73279a1f66a468add647c7b4ffe620513e19fdedeb",
+        "lastblockhash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g2v0Filler.json",
+            "sourceHash" : "662afb64c7f198a80dc9f305dfd9847eb78aaec6b46a9bebce83616f9f5eb181"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x93890a549f2d2bb0a2f5e00d4fdc4f53969c8cec667511c8588e820e261a6830",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90327f901f8a0d78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0d598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11a0fd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8ea09fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ac918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000001ca01ea70b86d65e1ed1d5b3a0af1e0af052ca88c0cf229568c613f7fb889e904f1ba05524c08dcad27789f8c31c22d07dd1c45de9ae29774a4449a497502a8311203cc0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x1ea70b86d65e1ed1d5b3a0af1e0af052ca88c0cf229568c613f7fb889e904f1b",
+                        "s" : "0x5524c08dcad27789f8c31c22d07dd1c45de9ae29774a4449a497502a8311203c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x93890a549f2d2bb0a2f5e00d4fdc4f53969c8cec667511c8588e820e261a6830",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g3v0.json
index 0af2dd73b..2c9353a95 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g3v0Filler.json",
-            "sourceHash" : "f1682c2ba8a17cb084b3d0a27775f1e5294c0c39536c7454bfe491c86d512acc"
+            "sourceHash" : "f29dd6e086d980fd91d0de8a130328c1f5a0fee78431a027fede117365a17ec9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x89c34957fea34ffecfaf78673ff6ebed8ef12265b596e1a5bb80f59724aa195e",
-                    "mixHash" : "0xc145d1c45ac0e74cd9bff38b4c59526e8fcfee3909e5ae826528a0bbcca6e63f",
-                    "nonce" : "0x38c0522ea9da5ed0",
+                    "hash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x281a20e15317ad6cd5c10a0d94f8fdcd8002eadc51fd5b9a217f32ae7ebb6650",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x89c34957fea34ffecfaf78673ff6ebed8ef12265b596e1a5bb80f59724aa195e",
+        "lastblockhash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_155000_d0g3v0Filler.json",
+            "sourceHash" : "f29dd6e086d980fd91d0de8a130328c1f5a0fee78431a027fede117365a17ec9"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x279b1da63a30fab0ca458194824e1bdcef8fd8c7b57685fcf07f985247cd6dd4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x281a20e15317ad6cd5c10a0d94f8fdcd8002eadc51fd5b9a217f32ae7ebb6650",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xd826e556a6bddccf9532d437a0fbf77a385ce4c71a62bb75ec6122475db9c440",
+                        "s" : "0x21c2b19a5964a858b4a9c546221ef3c0f37773042ca3606aec190bf063301e72",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x279b1da63a30fab0ca458194824e1bdcef8fd8c7b57685fcf07f985247cd6dd4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g0v0.json
index 3d3f8864c..26e86884b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g0v0Filler.json",
-            "sourceHash" : "38c1317a429a31bf9e67165334c37cd90270f894bddf62010718c8c3e4e30074"
+            "sourceHash" : "ec1f8eac02ba1ae07ee76fd013c76c9cc305f1ea72cfa7af6814d323c8d27f6a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa72c",
-                    "hash" : "0x1568467c95e85ab32c7dbabdc41b9274b2f030ab578abdcf655d660431e000bc",
-                    "mixHash" : "0xf5d1572bfcd4cb7062df87ddf1990e0cd6e0e515838c6a9975425f3d255c2963",
-                    "nonce" : "0x5094487b167fd92b",
+                    "hash" : "0xebd1545d8f2b48e43e28b4b07046aeca9ea831fff7877c41b78d2e4ed3c4fdd7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x55f79ba03035bb146847b2dac7ecb0f4d5710c2c06e250ac1556b51cbb384420",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf31bfd60a4b4cc6b25fb80a31b677576fd860fbb0d9bb8ff664d4fcb757c9faa",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1568467c95e85ab32c7dbabdc41b9274b2f030ab578abdcf655d660431e000bc",
+        "lastblockhash" : "0xebd1545d8f2b48e43e28b4b07046aeca9ea831fff7877c41b78d2e4ed3c4fdd7",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g0v0Filler.json",
+            "sourceHash" : "ec1f8eac02ba1ae07ee76fd013c76c9cc305f1ea72cfa7af6814d323c8d27f6a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xa72c",
+                    "hash" : "0x77f311a9b66a8d658729a356393d0cd68d9dfaa9686d44693b080a2ead83fe45",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x55f79ba03035bb146847b2dac7ecb0f4d5710c2c06e250ac1556b51cbb384420",
+                    "stateRoot" : "0x40b9724acb029d2c52ab3699dbdfbb282b4de6705ad4f70660c3c3d9c208e074",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf31bfd60a4b4cc6b25fb80a31b677576fd860fbb0d9bb8ff664d4fcb757c9faa",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xa72c",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x98ce85d9b9d12415ab6d4406f99143fcc27a98b6cf23602db322217e1ef3e134",
+                        "s" : "0x2d6189856f3993547ea119f65a947d6fe4cfa684464b4efbac17b941e865d970",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
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+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x77f311a9b66a8d658729a356393d0cd68d9dfaa9686d44693b080a2ead83fe45",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaa91a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a76156e6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g1v0.json
index 7fa4568e7..d180ce75b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g1v0Filler.json",
-            "sourceHash" : "89c03c88bc8e4ad7d7a33f7147b025972be481ffb7ff974c24a40945bbbe840c"
+            "sourceHash" : "f0e37f3a8f33bc6ab6f1f7376c907877bdca8a8a6ba5ec2f3a07dc545b6845a3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x5b0f59e0a8ffca1b38fea8ef95c2fd0a3acc995addac3dd293a47fb348847d66",
-                    "mixHash" : "0x2386e46843f5bd9a07567bfe7dd9fd75a907ad2e062847b130d9cf32e22404d6",
-                    "nonce" : "0x8babb97cef801236",
+                    "hash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0x5b0f59e0a8ffca1b38fea8ef95c2fd0a3acc995addac3dd293a47fb348847d66",
+        "lastblockhash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+            "sourceHash" : "f0e37f3a8f33bc6ab6f1f7376c907877bdca8a8a6ba5ec2f3a07dc545b6845a3"
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+                "nonce" : "0x01",
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g2v0.json
index 41fd10f7d..4d1133fc5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g2v0.json
@@ -2,10 +2,10 @@
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g2v0Filler.json",
-            "sourceHash" : "c5bb7d3d8f2b62680bba34b75efc8c5003b3d6d01cbf7c624580662e4af856fe"
+            "sourceHash" : "e39bab955855d72462c2d8f7610ed89824dbfdb0923a32a4e6844a8cf1c3d9ad"
         },
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xac91",
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-                    "mixHash" : "0x40bd163635f72d081e088421609eadc374972c1bea6e252e0daf11d3aa002928",
-                    "nonce" : "0x1a529b4f1c2e310c",
+                    "hash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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@@ -27,7 +27,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x02",
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+            },
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+                "nonce" : "0x01",
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g3v0.json
index 8d97e82ef..7248c882b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g3v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_20500_d0g3v0Filler.json",
-            "sourceHash" : "d4300d62be5c8d74359235cece0fa5cccf1f558adfa0b98dd1811170836d1884"
+            "sourceHash" : "b61fe40ecc56694f1a0e2ddc995ea7e4fd97d212ec7df4c9e4e7dad74ed483b6"
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@@ -16,9 +16,9 @@
                     "extraData" : "",
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-                    "mixHash" : "0x880623c22f43ce7abb635e3facf021cfff4289e08121d0bd0cd34a95b5ba719d",
-                    "nonce" : "0xcc57236d3b24c6b7",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g0v0.json
index b6ee47c03..611700679 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g0v0Filler.json",
-            "sourceHash" : "b8cbd36ce873c146f435321c1127105c6c18f38c02ed454c84148c26a900c4ef"
+            "sourceHash" : "6b4377f07989c30fd546cf347ed47091300ca92535214fdd07dea784d3db4464"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x28290270a158d0b094f9e668a1236287938176922522e38263be80ff013050ea",
-                    "mixHash" : "0xe57556d165764460cadb38964b9705958748d664674ff7d0dbdc80a67e11ea19",
-                    "nonce" : "0xbb18cbd12cd1625b",
+                    "hash" : "0xdfaa9995965f982605265e0198373a68e0270a5f702bdc32deec145bf126edc2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0a01392a7271181c63ad73ef3d7c640d5a0c2f8f9c0bf51820af350db90af3d6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x28290270a158d0b094f9e668a1236287938176922522e38263be80ff013050ea",
+        "lastblockhash" : "0xdfaa9995965f982605265e0198373a68e0270a5f702bdc32deec145bf126edc2",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g0v0Filler.json",
+            "sourceHash" : "6b4377f07989c30fd546cf347ed47091300ca92535214fdd07dea784d3db4464"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x9c4c40818c5f26f4d82bf02b7b4c7699c2559fe290c3f94b55af9137cfdc882e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0a01392a7271181c63ad73ef3d7c640d5a0c2f8f9c0bf51820af350db90af3d6",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xad08",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4ffe15f8749c5f136464b9044f407b88189595d14d79bd7a468d293ddd516954",
+                        "s" : "0x19be242971ce041218ba3167f0c1590f2e5aaafe30f179cdb757916cd0facb28",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9c4c40818c5f26f4d82bf02b7b4c7699c2559fe290c3f94b55af9137cfdc882e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g1v0.json
index fd47c10e1..cf925fadd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g1v0Filler.json",
-            "sourceHash" : "f9a9a04dbd40f515af9dab9232cc22991f3bd1265241d52545552a17cf6b5f17"
+            "sourceHash" : "499344580a2c974698f008ab97708a943d0bd04ae393a7230f7f7092b309e601"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x2c472fd0ad620ef9514ced7052a59bbb48d168ef378530bbcbb3058757f0d288",
-                    "mixHash" : "0x8ca975f82c99719288c86c388db306ec6de3597c8f4186039092066b17afb07b",
-                    "nonce" : "0x14d107fc473ff66e",
+                    "hash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a0d78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c79b1db37b1bd55a8a16e71e94de9e8ffb9559e105a00a40070c3287c1acc027a0e387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264ca09fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ac918203e880a08ca975f82c99719288c86c388db306ec6de3597c8f4186039092066b17afb07b8814d107fc473ff66ef90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000001ca02214539c32c7214b9168e5222145db7cd99064ce46063d872aa9f8dcc75d8f9ca063bf940a4350154f34dfd083b62cf5a70095cec1ce1ee36669d8517f1e49d21fc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2c472fd0ad620ef9514ced7052a59bbb48d168ef378530bbcbb3058757f0d288",
+        "lastblockhash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g1v0Filler.json",
+            "sourceHash" : "499344580a2c974698f008ab97708a943d0bd04ae393a7230f7f7092b309e601"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x3395918f12a62e033b285e566f862e3603e798b2e4347649d54fa9ab07bfe531",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2214539c32c7214b9168e5222145db7cd99064ce46063d872aa9f8dcc75d8f9c",
+                        "s" : "0x63bf940a4350154f34dfd083b62cf5a70095cec1ce1ee36669d8517f1e49d21f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3395918f12a62e033b285e566f862e3603e798b2e4347649d54fa9ab07bfe531",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g2v0.json
index d388404ef..d5d450d3e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g2v0Filler.json",
-            "sourceHash" : "91b779581082c2aa3ec610505dd701148194e8d40607099c8d0e270af9b4c4bd"
+            "sourceHash" : "dae4d254ae73a548ece6fb2d20e52e2cef142d91c5554aac972055ad8e1cc964"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xe62afaae6ad0792fe542fbb442f319310a2282270d9a86aef9dd57dae91d6ea5",
-                    "mixHash" : "0x18101f41f8968c228c5a600c61be311a00065d5d38ea5038c4feab7cfd938a6b",
-                    "nonce" : "0xaea68a0bfa606312",
+                    "hash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe62afaae6ad0792fe542fbb442f319310a2282270d9a86aef9dd57dae91d6ea5",
+        "lastblockhash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g2v0Filler.json",
+            "sourceHash" : "dae4d254ae73a548ece6fb2d20e52e2cef142d91c5554aac972055ad8e1cc964"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x93890a549f2d2bb0a2f5e00d4fdc4f53969c8cec667511c8588e820e261a6830",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x1ea70b86d65e1ed1d5b3a0af1e0af052ca88c0cf229568c613f7fb889e904f1b",
+                        "s" : "0x5524c08dcad27789f8c31c22d07dd1c45de9ae29774a4449a497502a8311203c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x93890a549f2d2bb0a2f5e00d4fdc4f53969c8cec667511c8588e820e261a6830",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g3v0.json
index 9fdaa4001..3c493ba9c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g3v0Filler.json",
-            "sourceHash" : "2bd15233e96cc2c8e634d7ecf774a2128e9d4c4ab3cfc138b6d46887af3e0442"
+            "sourceHash" : "93cf4d141f4491f4e7e1a742e47e87f6967cec6496387d289dd63968f62121e1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xf0a91b8debeb1aef0c56f6cc1c3852b0d56d2bb00c37fd1b0c37edc13445df02",
-                    "mixHash" : "0x206753755dc6f5aa757d2fe8e4b4807de125d034d6bff0329365c5da5c34d2bc",
-                    "nonce" : "0xceaa987fab9fc71a",
+                    "hash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x281a20e15317ad6cd5c10a0d94f8fdcd8002eadc51fd5b9a217f32ae7ebb6650",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xf0a91b8debeb1aef0c56f6cc1c3852b0d56d2bb00c37fd1b0c37edc13445df02",
+        "lastblockhash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_22000_d0g3v0Filler.json",
+            "sourceHash" : "93cf4d141f4491f4e7e1a742e47e87f6967cec6496387d289dd63968f62121e1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x279b1da63a30fab0ca458194824e1bdcef8fd8c7b57685fcf07f985247cd6dd4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x281a20e15317ad6cd5c10a0d94f8fdcd8002eadc51fd5b9a217f32ae7ebb6650",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xd826e556a6bddccf9532d437a0fbf77a385ce4c71a62bb75ec6122475db9c440",
+                        "s" : "0x21c2b19a5964a858b4a9c546221ef3c0f37773042ca3606aec190bf063301e72",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x279b1da63a30fab0ca458194824e1bdcef8fd8c7b57685fcf07f985247cd6dd4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g0v0.json
index d53385a9a..59c23484d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g0v0Filler.json",
-            "sourceHash" : "157eaac0cf59bf8c22bddf6061b6c49084e118f4eb7d36462aae6a7de249e985"
+            "sourceHash" : "79d2f796557419290454cc41a66e757d8268ff8bd564d3347a32f9c8829c3856"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x412e7e596dea15bad64df0c2f90e48f6f89c03cb6d707629ab52a2d3f0a4ddc0",
-                    "mixHash" : "0x18ceeec1edac92103682300bf79617debebffd96c37cd73b1d178fb434e31d7d",
-                    "nonce" : "0x4c0012e92d3b5678",
+                    "hash" : "0xe488109eeddd3e8819974b52711535a8d275e3df618dc6a56aac18358b31f757",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0fcc3be658a4fa9a41078bacc7299cff4e4fa0230ead4fafa2ecb87adb15357b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90326f901f8a0d78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c79b1db37b1bd55a8a16e71e94de9e8ffb9559e105a00a40070c3287c1acc027a00fcc3be658a4fa9a41078bacc7299cff4e4fa0230ead4fafa2ecb87adb15357ba09fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ac918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90127f90124010182b8c094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000001ba0ee94bd90a4be3287cd6a25245af20404e4e3a303763cc14805ec373f6bca1279a052bdb9918c341a0a2c4ac35b0733a87af151f6b86cec54f6a7b0121df310caf0c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x412e7e596dea15bad64df0c2f90e48f6f89c03cb6d707629ab52a2d3f0a4ddc0",
+        "lastblockhash" : "0xe488109eeddd3e8819974b52711535a8d275e3df618dc6a56aac18358b31f757",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g0v0Filler.json",
+            "sourceHash" : "79d2f796557419290454cc41a66e757d8268ff8bd564d3347a32f9c8829c3856"
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+                    "gasLimit" : "0x05f5e100",
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+                    "timestamp" : "0x03e8",
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+                        "v" : "0x1b",
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g1v0.json
index 5bd71eeee..e5e977a51 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g1v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g1v0Filler.json",
-            "sourceHash" : "08a28f0532404ca3ddc0f1ff9807ae7cf71e2e5b65c3fdae43a3bc5a1e366f23"
+            "sourceHash" : "afbe148d0ebccb625209ecdfceb77eb000b9a9b71f8e8f248b453752c41599c1"
         },
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             {
@@ -16,9 +16,9 @@
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                     "gasUsed" : "0xac91",
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-                    "mixHash" : "0x12f120b713d00146d739c2fe4f259a6b25fc6b8e3d43103818c2377cdf958f04",
-                    "nonce" : "0x14967f4427355073",
+                    "hash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x02",
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+                "storage" : {
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+                "nonce" : "0x01",
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g2v0.json
index 6c064ddd7..be286544f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_25000_d0g2v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g2v0Filler.json",
-            "sourceHash" : "3fc4b1ce3c8e295ea10917772739271d2042c9fba2fc5a0cd25d668d1d8f8b31"
+            "sourceHash" : "148b620ea7a0640a50916998d2f455d06229fc8df106b8d784c291879e6b4d5e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xac91",
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-                    "mixHash" : "0xe8c1909350b59dc772ec663a9d3c172a2cac37fa14bb08ae103da501c8792a20",
-                    "nonce" : "0xe5e31d02cace37f1",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0xbf3687eb3d6aa57d921073f6ecb96e92ad5a19717faed8c022b837802175a571",
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@@ -224,6 +224,235 @@
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+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g3v0.json
index 76d991eb7..c1ad31fa0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g3v0Filler.json",
-            "sourceHash" : "926081932874793349da2d9fd8c2447dc64de75843eb46828675123f8358847d"
+            "sourceHash" : "a672d1db3e5e991b5534d37f8c6b92543a08551df4d0f9a52797c40a138dfd65"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x297b325129ae781fc91845e185b9356219e362c787c47c00859192b4809dde0a",
-                    "mixHash" : "0x5c8666a8b91061dcf92321f1554d1736fe1ada6ef5738249527eede954a048d0",
-                    "nonce" : "0x755dc1f0f659a1f8",
+                    "hash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x281a20e15317ad6cd5c10a0d94f8fdcd8002eadc51fd5b9a217f32ae7ebb6650",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x297b325129ae781fc91845e185b9356219e362c787c47c00859192b4809dde0a",
+        "lastblockhash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_25000_d0g3v0Filler.json",
+            "sourceHash" : "a672d1db3e5e991b5534d37f8c6b92543a08551df4d0f9a52797c40a138dfd65"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x279b1da63a30fab0ca458194824e1bdcef8fd8c7b57685fcf07f985247cd6dd4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x281a20e15317ad6cd5c10a0d94f8fdcd8002eadc51fd5b9a217f32ae7ebb6650",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xd826e556a6bddccf9532d437a0fbf77a385ce4c71a62bb75ec6122475db9c440",
+                        "s" : "0x21c2b19a5964a858b4a9c546221ef3c0f37773042ca3606aec190bf063301e72",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x279b1da63a30fab0ca458194824e1bdcef8fd8c7b57685fcf07f985247cd6dd4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g0v0.json
index 5868bc219..010236779 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g0v0Filler.json",
-            "sourceHash" : "956429ee2a44b01ff3630ee101ea1cfbe625a23e0940dd74eb8cefcf2270bdc2"
+            "sourceHash" : "9b3e396c02e0ee69cd46176e8724dbbba6beeb57b261ddd573cc8f86968671a1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xf367250a9e6f7da745f2b4e6aa8357c38f9fcec350cd5c10f8463d19d1f44730",
-                    "mixHash" : "0xc752228b5a5d20615f85569f137f70f9e435ad446dc73d7bf96bce566646fd26",
-                    "nonce" : "0xcfd9723ff9554491",
+                    "hash" : "0x0e8e11697364513cd2db21690320f1c5b0c0837948f98f9168304c20c30cfef2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0e9fe8393a66c22bf324de50df18f8d633aa1fdd41a03e40588cb04aeb720b61",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf367250a9e6f7da745f2b4e6aa8357c38f9fcec350cd5c10f8463d19d1f44730",
+        "lastblockhash" : "0x0e8e11697364513cd2db21690320f1c5b0c0837948f98f9168304c20c30cfef2",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g0v0Filler.json",
+            "sourceHash" : "9b3e396c02e0ee69cd46176e8724dbbba6beeb57b261ddd573cc8f86968671a1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0xb2ec82c64b3fd1eca14b5c44577d853d1de781f80c0a82cc4d3b81b57871d5f6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0e9fe8393a66c22bf324de50df18f8d633aa1fdd41a03e40588cb04aeb720b61",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xdfd0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbf75101d839288e294a81a45836a577ee5864550a7ade7db54cee24451351b34",
+                        "s" : "0x1bcd116c7806003ea52382d69ef16288b40b890f28254f0b7493b4d784eb7bf9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xb2ec82c64b3fd1eca14b5c44577d853d1de781f80c0a82cc4d3b81b57871d5f6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760856004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g1v0.json
index be51d43e5..9520fa0ca 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g1v0Filler.json",
-            "sourceHash" : "ffd4900213a19823ecf7346070ab5c66f51ef29a8cbda1e366dc2ac5f96268db"
+            "sourceHash" : "83cdd1d1b1e54dcb867efb092c127b1e148a8ebd97f87b3dbc2020b60ad9e9c7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0xa2664bbf240d62e6e1b05c0540425d17c11c99565fcad9e80e13cba188f40274",
-                    "mixHash" : "0x65d3997d794d67901620977e0273c5357d635b5c03e7fc00c5046cad39eb3efc",
-                    "nonce" : "0xa2e18105b897369d",
+                    "hash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa2664bbf240d62e6e1b05c0540425d17c11c99565fcad9e80e13cba188f40274",
+        "lastblockhash" : "0xeef453ed9348c188e82323f15e3b1faad9840b7e211dbf76c6f3f02ebd2082ce",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g1v0Filler.json",
+            "sourceHash" : "83cdd1d1b1e54dcb867efb092c127b1e148a8ebd97f87b3dbc2020b60ad9e9c7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x3395918f12a62e033b285e566f862e3603e798b2e4347649d54fa9ab07bfe531",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe387c4ae2d89462d5cb8b21ec7535fb2936076f70adb8fd0b53f8699ac1c264c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2214539c32c7214b9168e5222145db7cd99064ce46063d872aa9f8dcc75d8f9c",
+                        "s" : "0x63bf940a4350154f34dfd083b62cf5a70095cec1ce1ee36669d8517f1e49d21f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3395918f12a62e033b285e566f862e3603e798b2e4347649d54fa9ab07bfe531",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g2v0.json
index 1aa4780ec..f93449007 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g2v0Filler.json",
-            "sourceHash" : "3aae53a21f9c79ad6811001688ed6f5c577e6af2dd2cd81b425f11e6afeec2d2"
+            "sourceHash" : "ac80f5dfff8a13da4f208ed1fd8b197952ceeb31e732a2046818fa96d6e2498f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x2c6afdb683f5fa7c09df72af74aaea10e3d26f2896e56505b8880c09b992a831",
-                    "mixHash" : "0xba0cc6ebf645fd5e49ab8b9574b2cce2c1190582bf482416966c4a413a9b1220",
-                    "nonce" : "0xeb1a4897acf0ae93",
+                    "hash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x2c6afdb683f5fa7c09df72af74aaea10e3d26f2896e56505b8880c09b992a831",
+        "lastblockhash" : "0x43cf5dfc89b1c65b57180fd020ea57746ac3df27ae79488194de6d2e7e1a1cc6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g2v0Filler.json",
+            "sourceHash" : "ac80f5dfff8a13da4f208ed1fd8b197952ceeb31e732a2046818fa96d6e2498f"
+        },
+        "blocks" : [
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+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xac91",
+                    "hash" : "0x93890a549f2d2bb0a2f5e00d4fdc4f53969c8cec667511c8588e820e261a6830",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+                    "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
+                    "stateRoot" : "0xd598cb7b1658acec025472e88f1fe6877159abd3a8ca4bc33b0bb44069245b11",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfd4afd5939bb6f3d008a0622b8c9e3b26d21759eda84f64ba4c3b39862eb2c8e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x1ea70b86d65e1ed1d5b3a0af1e0af052ca88c0cf229568c613f7fb889e904f1b",
+                        "s" : "0x5524c08dcad27789f8c31c22d07dd1c45de9ae29774a4449a497502a8311203c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6b320df621b8738917032719f4ba9c4855edd2fe795efba803ba5242ce7564bb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x93890a549f2d2bb0a2f5e00d4fdc4f53969c8cec667511c8588e820e261a6830",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaae7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615181",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g3v0.json
index 32891c0f0..e1eeca473 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_0_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g3v0Filler.json",
-            "sourceHash" : "ada557ebb3e8a3ac3c782fa73a44d1f2ca03d4df87c4da9b43d8791fcae89a4e"
+            "sourceHash" : "d9774bb52614f88faf07a4b8b56fe5dadf79c2825e3e7f0b94a99f6205984bb5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xac91",
-                    "hash" : "0x88fe765f33809d61858469866e07fcccb93ecbf66511f4de9b1b78debc28dea9",
-                    "mixHash" : "0x4f0bf9d811cbe5ed50478ff6ffa0025e97e0aed4260361edfd6fc21cb706b8c6",
-                    "nonce" : "0x7129bd0e765c6090",
+                    "hash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd78a2526009bf551495954d7189a98b948628dca455f3446136a450914a4bc21",
                     "receiptTrie" : "0x9fff7ea20b711f187fa99203bb06796a429245b8f48543971242d0a51a9b9c07",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x281a20e15317ad6cd5c10a0d94f8fdcd8002eadc51fd5b9a217f32ae7ebb6650",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000610000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x88fe765f33809d61858469866e07fcccb93ecbf66511f4de9b1b78debc28dea9",
+        "lastblockhash" : "0x45b85fa7f2c9896760d6597abff92da5c79bcb309ea2a977a85fa3b8585fb035",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_0_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_0_35000_d0g3v0Filler.json",
+            "sourceHash" : "d9774bb52614f88faf07a4b8b56fe5dadf79c2825e3e7f0b94a99f6205984bb5"
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
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+                    "gasLimit" : "0x05f5e100",
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g0v0.json
index e21eae6ee..e046402ba 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g0v0Filler.json",
-            "sourceHash" : "e6695d68d69d7f053ee9a857b0ba5b147d3e4fa194e26fb077e3f68efa93b32c"
+            "sourceHash" : "ed2b51889bc24e94d957271aaec48fa7a1b9c026017018160e265ceeafe41587"
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             {
@@ -16,9 +16,9 @@
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-                    "nonce" : "0x4cdb1603e1cacc74",
+                    "hash" : "0xeb5a73c26edc1f7c98e738ac4ca8dbb96df6480586248bf0b7f3573c36c157a8",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x02",
+                "storage" : {
+                }
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+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g1v0.json
index e46442b0f..1d28515c2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_1000000_d0g1v0_Byzantium" : {
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             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g1v0Filler.json",
-            "sourceHash" : "9cccc5136428ed29e2e42356629647db3ea5f526142ad4871b4cd478af538ebf"
+            "sourceHash" : "a4b0535e47dcd183a77b2335f932d4dca18a80ffac5a808dcfbd30dcc8f83895"
         },
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xad11",
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-                    "nonce" : "0x5bb1d293bbd5aced",
+                    "hash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
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+                    "nonce" : "0x0000000000000000",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
                 "storage" : {
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-        }
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+                "balance" : "0x0de0b6b3a761fe12",
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+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760866004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g2v0.json
index 4c18b434f..7300c9a0f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g2v0Filler.json",
-            "sourceHash" : "9103ac2473ad4fb3d4e358e6e25b23c01dbb7fa11ee027c68a272205d7bd3726"
+            "sourceHash" : "9a3650351132e79ec196da07f6c5ec9a554b69e0dc6849095bf9bf0595055434"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x1a3584f07677b7bcbf9848edc303359c1d8403ed40b3ea39a3c4dfef11df4ce6",
-                    "mixHash" : "0x342680ad8aaf4a099ddd83ef8b14b355ce64afcee3f8eba4974754e8707045e0",
-                    "nonce" : "0x361c8e7d447a8f9c",
+                    "hash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x12c0fd03a90fc97f9487c472139dc3f88102646d72cdfdb6ccc9c48e8e14d908",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1a3584f07677b7bcbf9848edc303359c1d8403ed40b3ea39a3c4dfef11df4ce6",
+        "lastblockhash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g2v0Filler.json",
+            "sourceHash" : "9a3650351132e79ec196da07f6c5ec9a554b69e0dc6849095bf9bf0595055434"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x7918d1277a6076a97a4ec0ed3d3f1f94c250d7dfc15d3b31a7ca06b378c449ab",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x12c0fd03a90fc97f9487c472139dc3f88102646d72cdfdb6ccc9c48e8e14d908",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc3cd6910f36ea8a45f5e7f861759b3052a69965b37289b1185ba38c3eb568363",
+                        "s" : "0x1965c2a36ab119ea229691b95382be03e514c022f9cfa09c2e1dd23978c084c5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7918d1277a6076a97a4ec0ed3d3f1f94c250d7dfc15d3b31a7ca06b378c449ab",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g3v0.json
index 5b691b9e9..b48af10f2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g3v0Filler.json",
-            "sourceHash" : "3846b436b75c57a612303bb6d72c69f4a029c38175bf088df8a8b8fd1cac1106"
+            "sourceHash" : "b52f989853ee4839195a051bcffd9cc118c537850adf2fb513af5d655e932e67"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xe3be8ba080bc202df363d20eac0a1df5966effff3085784aad57b231b7d66e15",
-                    "mixHash" : "0x1680cbab4e02e7850eed6b1526054761f7b260f799588ffeaad93eeb9fb669aa",
-                    "nonce" : "0xa556758c88338f89",
+                    "hash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x80499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90327f901f8a033dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0bd272d564f64e174963e9049610bfc3f90dbc4602af1dd3566805ac5571bbb7fa080499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2a0da7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad118203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f90125010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000101010000000000000000000000000000000000000000000000000000000000001ca0263867e9527162126c30750aa8078703f32e1f5b0a5bc74e6348287879a003e3a01d47c1a5b0d2d1be39d77dc6820504031111da194954304e39e6bc75435b1c1fc0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe3be8ba080bc202df363d20eac0a1df5966effff3085784aad57b231b7d66e15",
+        "lastblockhash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_1000000_d0g3v0Filler.json",
+            "sourceHash" : "b52f989853ee4839195a051bcffd9cc118c537850adf2fb513af5d655e932e67"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x068bf8b54be7d4a6b4524568677a32059dc0dcc970ec8cad9e4a7adf435b064b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x80499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x263867e9527162126c30750aa8078703f32e1f5b0a5bc74e6348287879a003e3",
+                        "s" : "0x1d47c1a5b0d2d1be39d77dc6820504031111da194954304e39e6bc75435b1c1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x068bf8b54be7d4a6b4524568677a32059dc0dcc970ec8cad9e4a7adf435b064b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g0v0.json
index be2a4e852..0c1969ba3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g0v0Filler.json",
-            "sourceHash" : "bfc687854be596f3d1becdba4558627e9cb82e0b311f972843a16172f5566b62"
+            "sourceHash" : "8c2affed190d8a35d07f2bbaee1fcb5bc78ee8ed77e7ccc5ad911606d133dc6a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xb8761dac67c34ef9ad401587e3ebf52907664028135edc7f8a1e6e681f986098",
-                    "mixHash" : "0x2c220cb67fa93ae33964800ae9734fe92354aadb225a68eb189cd9d94c4d0f0d",
-                    "nonce" : "0xe10e1c41de7f80d5",
+                    "hash" : "0xd12696223fbaae4c3db7190090bf394cf64fd41e1c7bb23b9c92e8260abc0457",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x93f522902e8c1a13858bb61f218097f960b191e3be8f86071f9d17015b882e38",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb8761dac67c34ef9ad401587e3ebf52907664028135edc7f8a1e6e681f986098",
+        "lastblockhash" : "0xd12696223fbaae4c3db7190090bf394cf64fd41e1c7bb23b9c92e8260abc0457",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g0v0Filler.json",
+            "sourceHash" : "8c2affed190d8a35d07f2bbaee1fcb5bc78ee8ed77e7ccc5ad911606d133dc6a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x37c32bf30623cffc9fea61e23c0547902331b4e8b8207f74ab19cbf8d9e16e00",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x93f522902e8c1a13858bb61f218097f960b191e3be8f86071f9d17015b882e38",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x02b510",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5c0896b3162759589bbece91bd2976f1a675f0f4be6d90aa211eb9208d748cc5",
+                        "s" : "0x6fcf3111ee39878e7d4563763ea2c1ec3c76ee71624cbb711625cffeb6349624",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x37c32bf30623cffc9fea61e23c0547902331b4e8b8207f74ab19cbf8d9e16e00",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g1v0.json
index 9ff20ba47..c4a2b9f55 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g1v0Filler.json",
-            "sourceHash" : "7eab8d8980bf3cf435a2726037288a6dbb254687f463d052ba757b9c2a2411d6"
+            "sourceHash" : "544fcbc834def8e1eec3aac5cdbb13db5bdc9f3a0266f700d5b53aef07ca39fc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x47c9b1a49c02eb99fc8f851268f0960131134c097300f1a2b30fd1b9ae00b8be",
-                    "mixHash" : "0xb2389d9f6bbf7530a85bd6ef537890d8a5aa93096238468043301baf87c6da18",
-                    "nonce" : "0x709714e1a5304b09",
+                    "hash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4e94e222af2d7c9286d4f4d40ae85394b356ea772ceed6415513a9b35f593a0f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a033dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0bd272d564f64e174963e9049610bfc3f90dbc4602af1dd3566805ac5571bbb7fa04e94e222af2d7c9286d4f4d40ae85394b356ea772ceed6415513a9b35f593a0fa0da7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad118203e880a0b2389d9f6bbf7530a85bd6ef537890d8a5aa93096238468043301baf87c6da1888709714e1a5304b09f90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000101010000000000000000000000000000000000000000000000000000000000001ba0f894511d307f1ecdcf5430824a297de9551a7079db22b81949239992caf95275a010cdb30865fad84176b4610c14718a4a06afa638324d6ae173b143496af48108c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x47c9b1a49c02eb99fc8f851268f0960131134c097300f1a2b30fd1b9ae00b8be",
+        "lastblockhash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g1v0Filler.json",
+            "sourceHash" : "544fcbc834def8e1eec3aac5cdbb13db5bdc9f3a0266f700d5b53aef07ca39fc"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x73d85c7edd6b9ee88b46a5813dcd5925c1761f5e3c9b59aad82662e68dfdbc84",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4e94e222af2d7c9286d4f4d40ae85394b356ea772ceed6415513a9b35f593a0f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf894511d307f1ecdcf5430824a297de9551a7079db22b81949239992caf95275",
+                        "s" : "0x10cdb30865fad84176b4610c14718a4a06afa638324d6ae173b143496af48108",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
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+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
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+            "nonce" : "0x0102030405060708",
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+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x73d85c7edd6b9ee88b46a5813dcd5925c1761f5e3c9b59aad82662e68dfdbc84",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g2v0.json
index 2a534eb22..c166a461f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g2v0Filler.json",
-            "sourceHash" : "dc89f22925817e6e59677609b2084f6e4b2af090f14b9b789baa028e602bb4b3"
+            "sourceHash" : "23ae53a64b640cf8dfaa0cce421a9e02ee3b2757f9491377bcef551fe575c912"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xb96374f1518cbfe3658ca7e59aa9dbdc8d8769523291b4cff0eed7781d86725b",
-                    "mixHash" : "0x1c07b1d6fc3b553fc60b6bf06ab2b498e5752f679e548820b4adbda83a7c1598",
-                    "nonce" : "0xf8d5b3beabed2532",
+                    "hash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x12c0fd03a90fc97f9487c472139dc3f88102646d72cdfdb6ccc9c48e8e14d908",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb96374f1518cbfe3658ca7e59aa9dbdc8d8769523291b4cff0eed7781d86725b",
+        "lastblockhash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g2v0Filler.json",
+            "sourceHash" : "23ae53a64b640cf8dfaa0cce421a9e02ee3b2757f9491377bcef551fe575c912"
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g3v0.json
index 8ea09fcca..d3c14f57f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g3v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_155000_d0g3v0Filler.json",
-            "sourceHash" : "17408f97c6363d36b53678162ff62ad3353582ed448a5ffddf7a62e2d2bf0ac6"
+            "sourceHash" : "ec85adfd9cf58fb4d6d969baf88d4f13f55b8eef7266dc90dc8f8cde089d7976"
         },
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@@ -16,9 +16,9 @@
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-                    "nonce" : "0xc89edd8570ec6687",
+                    "hash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
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+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
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+            }
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "storage" : {
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+                "code" : "",
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+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+            }
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g0v0.json
index 4546ffc2b..c098ecd29 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g0v0Filler.json",
-            "sourceHash" : "2c471faf2f696e2eda935130cdf427bab9c51f4ab48f921394421fd4bd6ab549"
+            "sourceHash" : "bbb8b2ae6c0652a1a272715c47e7df679be27cfbd96e8bf003bf5b76399306a0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa7ac",
-                    "hash" : "0xb6a3f6c0a5a03b4cbd9efb2f878553f4c24521d7a129a13a985bd14d328e3573",
-                    "mixHash" : "0x0df9cf287e3481315a62e302e43fa4fc1c6993198daad68adcd13de1af377a03",
-                    "nonce" : "0xb7aabe8726e06c81",
+                    "hash" : "0xb34126a4cc956824e4e638ef923dc32d1a0568104f19a4762e982f9918d8de7b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0xb6a3f6c0a5a03b4cbd9efb2f878553f4c24521d7a129a13a985bd14d328e3573",
+        "lastblockhash" : "0xb34126a4cc956824e4e638ef923dc32d1a0568104f19a4762e982f9918d8de7b",
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             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
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-        }
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+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g1v0.json
index 71fbb73cf..b5a1cb58e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g1v0Filler.json",
-            "sourceHash" : "f762e87d6fe4ac082812fdf4d38b95d7eba45133c08a728aa12b3e6d4737d78a"
+            "sourceHash" : "ca0dcdfdcd7cc93423f3d786917a30434443f50510bb9f8970e1144f2e3a2e0d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xc8205b4cd521f3f1e31f40fbff6fa760a313aa092f9feb37258d4286f9da7d24",
-                    "mixHash" : "0xc89ac14d3c6f3758429af1b4c7f32322e628f7d5ee16758050c69fc72b60e168",
-                    "nonce" : "0x41e3fad314b9ee8e",
+                    "hash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4e94e222af2d7c9286d4f4d40ae85394b356ea772ceed6415513a9b35f593a0f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc8205b4cd521f3f1e31f40fbff6fa760a313aa092f9feb37258d4286f9da7d24",
+        "lastblockhash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g1v0Filler.json",
+            "sourceHash" : "ca0dcdfdcd7cc93423f3d786917a30434443f50510bb9f8970e1144f2e3a2e0d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x73d85c7edd6b9ee88b46a5813dcd5925c1761f5e3c9b59aad82662e68dfdbc84",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4e94e222af2d7c9286d4f4d40ae85394b356ea772ceed6415513a9b35f593a0f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf894511d307f1ecdcf5430824a297de9551a7079db22b81949239992caf95275",
+                        "s" : "0x10cdb30865fad84176b4610c14718a4a06afa638324d6ae173b143496af48108",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x73d85c7edd6b9ee88b46a5813dcd5925c1761f5e3c9b59aad82662e68dfdbc84",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g2v0.json
index 68aa1242d..0d6c414ec 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g2v0Filler.json",
-            "sourceHash" : "70b4f5d83afa9ee10f2a7cfbc7608994e39f382c6fe084097b6652ae889c0723"
+            "sourceHash" : "04abe7116994fd4443a00752b43b9b77092a54c1467a1226db7b00da6bb6bdaf"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xa7703c0a856a3a6a1f05c88cc2a30a3bb5cfa505cda64f4abbefc7d980448d58",
-                    "mixHash" : "0x86fad034276fdefe73449fe67a6193c3bbe906c3ef6e9fe4dfa8c936acb522b0",
-                    "nonce" : "0xe2cd63928e91f94b",
+                    "hash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x12c0fd03a90fc97f9487c472139dc3f88102646d72cdfdb6ccc9c48e8e14d908",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a033dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0bd272d564f64e174963e9049610bfc3f90dbc4602af1dd3566805ac5571bbb7fa012c0fd03a90fc97f9487c472139dc3f88102646d72cdfdb6ccc9c48e8e14d908a0da7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad118203e880a086fad034276fdefe73449fe67a6193c3bbe906c3ef6e9fe4dfa8c936acb522b088e2cd63928e91f94bf90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000101010000000000000000000000000000000000000000000000000000000000001ba0c3cd6910f36ea8a45f5e7f861759b3052a69965b37289b1185ba38c3eb568363a01965c2a36ab119ea229691b95382be03e514c022f9cfa09c2e1dd23978c084c5c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa7703c0a856a3a6a1f05c88cc2a30a3bb5cfa505cda64f4abbefc7d980448d58",
+        "lastblockhash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g2v0Filler.json",
+            "sourceHash" : "04abe7116994fd4443a00752b43b9b77092a54c1467a1226db7b00da6bb6bdaf"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x7918d1277a6076a97a4ec0ed3d3f1f94c250d7dfc15d3b31a7ca06b378c449ab",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x12c0fd03a90fc97f9487c472139dc3f88102646d72cdfdb6ccc9c48e8e14d908",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc3cd6910f36ea8a45f5e7f861759b3052a69965b37289b1185ba38c3eb568363",
+                        "s" : "0x1965c2a36ab119ea229691b95382be03e514c022f9cfa09c2e1dd23978c084c5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7918d1277a6076a97a4ec0ed3d3f1f94c250d7dfc15d3b31a7ca06b378c449ab",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760866004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g3v0.json
index ab4308fea..630a3d272 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g3v0Filler.json",
-            "sourceHash" : "55cd9d5c50ccac3949e2e0f14865dd5352231582847c791bf39194837307b4b5"
+            "sourceHash" : "9769b1fd36d69d114033747e93aa53e9ada2360fb9f08cb9ee88889eeef324c4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x472abc5b10e0677955d9e9d2a97083001e0c39f4d7d8f2b07a47a23f04456158",
-                    "mixHash" : "0x93253257ddbb9af0dde54370bd8b21151a3db9fd274ad6ba05d098fb2869cf2d",
-                    "nonce" : "0xcf517a13cfe7571a",
+                    "hash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x80499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x472abc5b10e0677955d9e9d2a97083001e0c39f4d7d8f2b07a47a23f04456158",
+        "lastblockhash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_20500_d0g3v0Filler.json",
+            "sourceHash" : "9769b1fd36d69d114033747e93aa53e9ada2360fb9f08cb9ee88889eeef324c4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x068bf8b54be7d4a6b4524568677a32059dc0dcc970ec8cad9e4a7adf435b064b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x80499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x263867e9527162126c30750aa8078703f32e1f5b0a5bc74e6348287879a003e3",
+                        "s" : "0x1d47c1a5b0d2d1be39d77dc6820504031111da194954304e39e6bc75435b1c1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x068bf8b54be7d4a6b4524568677a32059dc0dcc970ec8cad9e4a7adf435b064b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g0v0.json
index 737a7544d..2b2bc113c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g0v0Filler.json",
-            "sourceHash" : "9afac08fdca56804e96bda610efe4fb3ab89558506b40bc51f7850249d990806"
+            "sourceHash" : "1798542630666e69336f07010558c68982ff0ffcfbd304ff48b7a72de88047c9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xea7087d8858f9520156d656645d2253d807d1f6e1ed990725c98cc7c7fd9e9f9",
-                    "mixHash" : "0x609f1b5b673545d1cdb18ea2ab3925aa4d85ab56993feb03856f07e73d1a9527",
-                    "nonce" : "0x981a8689e20bb3de",
+                    "hash" : "0x0307539eaf7e0b34ccf2c7af21dec60dcb9006c493bc573b5a26474fdc5585ad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x06f4856bbfcbcae3c821a1cb8c185349c6f25020249e2ee4163d82d527002561",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xea7087d8858f9520156d656645d2253d807d1f6e1ed990725c98cc7c7fd9e9f9",
+        "lastblockhash" : "0x0307539eaf7e0b34ccf2c7af21dec60dcb9006c493bc573b5a26474fdc5585ad",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g0v0Filler.json",
+            "sourceHash" : "1798542630666e69336f07010558c68982ff0ffcfbd304ff48b7a72de88047c9"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x6e35443ca1a982d842af3deb1b68fd76b0ed93b6aad810384fcab19b28fb0cff",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
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+                        "gasLimit" : "0xad88",
+                        "gasPrice" : "0x01",
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+                        "v" : "0x1c",
+                        "value" : "0x00"
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+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
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+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x6e35443ca1a982d842af3deb1b68fd76b0ed93b6aad810384fcab19b28fb0cff",
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+                "nonce" : "0x00",
+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000003" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
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+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g1v0.json
index a4c01aa86..22558be12 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g1v0Filler.json",
-            "sourceHash" : "be12dd1c064779d973564acedf90e74e8fb74ff257678d01314e0be1849a8b26"
+            "sourceHash" : "0ebbf8608a7c8a96a6b12b877ff5983dbfad5d55498a12dd49e0b300810d82fc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x18ed2ae281b6fd233936d65fdb6e820fefecafbb59b9e1a1a47c598cff99d2a3",
-                    "mixHash" : "0xeb253c12f84e969d5d52a72ac88e5c268a778f9d020e4675872898d01a029b9b",
-                    "nonce" : "0x60e1b8603e9b3654",
+                    "hash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x18ed2ae281b6fd233936d65fdb6e820fefecafbb59b9e1a1a47c598cff99d2a3",
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         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_22000_d0g1v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+                "nonce" : "0x01",
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+                "nonce" : "0x01",
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g2v0.json
index 4e3542605..241ea883b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g2v0.json
@@ -2,10 +2,10 @@
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g2v0Filler.json",
-            "sourceHash" : "32b8e4dc81dea6588a21c5b436c45eb03f4829b658a06d876922b3dd0ba4f43d"
+            "sourceHash" : "5fd20fe298bc3042c76c4c084b8108fc86c5ec2bcebd65f127f29e15f478e4aa"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xad11",
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-                    "nonce" : "0x024bd05d8dcf2551",
+                    "hash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+            },
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
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+                "storage" : {
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+                "nonce" : "0x00",
+                "storage" : {
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+                "storage" : {
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+                "code" : "",
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+            },
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+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "storage" : {
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+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g3v0.json
index 242a2fbfc..3af4aeecd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_22000_d0g3v0Filler.json",
-            "sourceHash" : "d5c7be5bbdce2d18dfb172799edb5f5b1d95054b59cf549756ad1b268e25628e"
+            "sourceHash" : "f8e3e5755a5ce5a2a9a342359d28342be76b0b1e7698b2da1d0da6f1becbaefd"
         },
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@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
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-                    "mixHash" : "0x8cbba27fb41f1bde1ad5eb6e820b81fdc4aa9a62f9cf33eb6462ded294790b9b",
-                    "nonce" : "0xff977e0d211bf650",
+                    "hash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
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                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
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-        }
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+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g0v0.json
index d8c7bcfd7..36ef0ed22 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g0v0Filler.json",
-            "sourceHash" : "ae2f4352211df012ba244d11d99b5926ec218f39aea1ca40a6226bc0e2560d49"
+            "sourceHash" : "89b1d720977963c28956d479894d22ad3725a87469c0f3fe839ff63779734ed7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0x39d38113f9befdea02c5f1d63b177e07f993eed94a30a32cf1f9e781f6aa6bad",
-                    "mixHash" : "0x364dd76df737734e6bff9013f09e51bd65522a24717069f978017efd6c44d1cc",
-                    "nonce" : "0x736f2030db1a936c",
+                    "hash" : "0x376d89ba4a6abbe79f8d109db4562df5d4025bd33dc02244934f30fa1c4fcaf3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdbb15b153a82d98967c26fa85d1ade94b60afed91dd69ebbfb755fb9f1e5e6c5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x39d38113f9befdea02c5f1d63b177e07f993eed94a30a32cf1f9e781f6aa6bad",
+        "lastblockhash" : "0x376d89ba4a6abbe79f8d109db4562df5d4025bd33dc02244934f30fa1c4fcaf3",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g0v0Filler.json",
+            "sourceHash" : "89b1d720977963c28956d479894d22ad3725a87469c0f3fe839ff63779734ed7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0xa6b4bebcd554f8751a454127ffa0832e5ee980ef896a73590c30bb8404f417b4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdbb15b153a82d98967c26fa85d1ade94b60afed91dd69ebbfb755fb9f1e5e6c5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xb940",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x89e5477aeae90468db70ef3a5efdae8fb8573d6e86c05006f0481775f16f846a",
+                        "s" : "0x1004b00183a6dea4deef072c2bd3c978b3a467bc8a505379410a84c739ef5867",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa6b4bebcd554f8751a454127ffa0832e5ee980ef896a73590c30bb8404f417b4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g1v0.json
index 4bf5a18c6..3da8f9287 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g1v0Filler.json",
-            "sourceHash" : "0e8d0b7e6c76839efdbddb18338da9c13ab7576eb67d2cf6c51479e746a2c60f"
+            "sourceHash" : "5b70b468cf8db6e40548a684e175e4ae143d1aa2c2aaa37d36c570781b1d7a67"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xf47de5cb76663c1aadcc775d0fdd7d84f79af149b19f3d8b975fe6836a309568",
-                    "mixHash" : "0x7bb06277b475c2a38cc10c47a1c108b5d6c27dcbfa45376929ff74727d5f3a23",
-                    "nonce" : "0x9b63f30e19ef9841",
+                    "hash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4e94e222af2d7c9286d4f4d40ae85394b356ea772ceed6415513a9b35f593a0f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf47de5cb76663c1aadcc775d0fdd7d84f79af149b19f3d8b975fe6836a309568",
+        "lastblockhash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g1v0Filler.json",
+            "sourceHash" : "5b70b468cf8db6e40548a684e175e4ae143d1aa2c2aaa37d36c570781b1d7a67"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x73d85c7edd6b9ee88b46a5813dcd5925c1761f5e3c9b59aad82662e68dfdbc84",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4e94e222af2d7c9286d4f4d40ae85394b356ea772ceed6415513a9b35f593a0f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf894511d307f1ecdcf5430824a297de9551a7079db22b81949239992caf95275",
+                        "s" : "0x10cdb30865fad84176b4610c14718a4a06afa638324d6ae173b143496af48108",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x73d85c7edd6b9ee88b46a5813dcd5925c1761f5e3c9b59aad82662e68dfdbc84",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g2v0.json
index be69310e3..379f192db 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g2v0Filler.json",
-            "sourceHash" : "2124ee261e60b8bd9b4a168acb0dbd763c12b534dd73579c3dab6acee8ba7b8c"
+            "sourceHash" : "d22524976ad7d2bf8fe4c2e7f574defe807691eed2d13ab389e47b0652ba0cfe"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xad6105648704ca65f81a102f025efe9d31eadae4df9e869bc8be020d779bdf34",
-                    "mixHash" : "0xdb72283755e1bc0230f3097b95878e5539c884211454e772e6cc475bb6c3f918",
-                    "nonce" : "0xb5c1014c7c264a99",
+                    "hash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x12c0fd03a90fc97f9487c472139dc3f88102646d72cdfdb6ccc9c48e8e14d908",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
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                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xad6105648704ca65f81a102f025efe9d31eadae4df9e869bc8be020d779bdf34",
+        "lastblockhash" : "0xe7156e9a91ea9cfff2c632e8dfb70274328a7ed71c3e788b197e80f9c3455724",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g2v0Filler.json",
+            "sourceHash" : "d22524976ad7d2bf8fe4c2e7f574defe807691eed2d13ab389e47b0652ba0cfe"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x7918d1277a6076a97a4ec0ed3d3f1f94c250d7dfc15d3b31a7ca06b378c449ab",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x12c0fd03a90fc97f9487c472139dc3f88102646d72cdfdb6ccc9c48e8e14d908",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc3cd6910f36ea8a45f5e7f861759b3052a69965b37289b1185ba38c3eb568363",
+                        "s" : "0x1965c2a36ab119ea229691b95382be03e514c022f9cfa09c2e1dd23978c084c5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7918d1277a6076a97a4ec0ed3d3f1f94c250d7dfc15d3b31a7ca06b378c449ab",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g3v0.json
index 8d1598aa3..a55045045 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g3v0Filler.json",
-            "sourceHash" : "196b0e0a67d7892828a7430510f32dc1143aad6c608f45c71345265f2f4d9042"
+            "sourceHash" : "5a0916da9772e85166e162c60ae4986b5f3355de5816ade1e96d1e36f390712f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xfe572d08c2385bb2f3ba4c313cc48d082e305378456f9dcbde0cb2dfb3559371",
-                    "mixHash" : "0x7cd127ad2b68ba2823db5c1eb380322a4619896b83e7886512ef7a4f3eaf8bec",
-                    "nonce" : "0xe363ce3ad2db2e89",
+                    "hash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x80499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xfe572d08c2385bb2f3ba4c313cc48d082e305378456f9dcbde0cb2dfb3559371",
+        "lastblockhash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_25000_d0g3v0Filler.json",
+            "sourceHash" : "5a0916da9772e85166e162c60ae4986b5f3355de5816ade1e96d1e36f390712f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x068bf8b54be7d4a6b4524568677a32059dc0dcc970ec8cad9e4a7adf435b064b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x80499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x263867e9527162126c30750aa8078703f32e1f5b0a5bc74e6348287879a003e3",
+                        "s" : "0x1d47c1a5b0d2d1be39d77dc6820504031111da194954304e39e6bc75435b1c1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x068bf8b54be7d4a6b4524568677a32059dc0dcc970ec8cad9e4a7adf435b064b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g0v0.json
index dc8606685..b769797d4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g0v0Filler.json",
-            "sourceHash" : "25d9490549d93f623a9c25b6216e98ef82e5dc675d0142d083ccc806e8aad7e1"
+            "sourceHash" : "4f556e35e7464ea39401f49acacfc738e20780280ac7221f3c32b174b84a6361"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xcaacae0938d5398816cd72c09191051d18b67f88b47feafcfdec1f2a58d20222",
-                    "mixHash" : "0x76de77879c2709c1851bee70dbc80b649ecab2c7efcaa73063abdb0f38689757",
-                    "nonce" : "0x06591105e1d1f945",
+                    "hash" : "0x9f33ec3726c1b2d5bc1eb4ec9b62c0cb7da291699cffef059f2826eebaa5925d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5e817d2631d6a6596385c44e2644be285e0b90992f93ae2409ef0745ece1741e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcaacae0938d5398816cd72c09191051d18b67f88b47feafcfdec1f2a58d20222",
+        "lastblockhash" : "0x9f33ec3726c1b2d5bc1eb4ec9b62c0cb7da291699cffef059f2826eebaa5925d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g0v0Filler.json",
+            "sourceHash" : "4f556e35e7464ea39401f49acacfc738e20780280ac7221f3c32b174b84a6361"
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+                    "timestamp" : "0x03e8",
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+                "nonce" : "0x01",
+                "storage" : {
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+                "nonce" : "0x01",
+                "storage" : {
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+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g1v0.json
index 8f9175341..766cf3b8d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g1v0.json
@@ -2,10 +2,10 @@
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g1v0Filler.json",
-            "sourceHash" : "bded995079a4b57fb698ccc3a58b8303519431de4a6da290d49c549d48263899"
+            "sourceHash" : "e15ecd8f66897f89f1a07c0b7fafe80ec942b89081edb67c7dd0ec60b78d46fc"
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@@ -16,9 +16,9 @@
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-                    "nonce" : "0x25cd8b8b6a444baf",
+                    "hash" : "0xaab5054593dc7e4e8f2227251dd91b692a2ab00bc373cb8a4514dddb6407b599",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g2v0.json
index 302742125..fa3d2f7e1 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g2v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g2v0Filler.json",
-            "sourceHash" : "4c256176fcaa176e36f2a0281e145e15b6b79fe08d08d1930202e762d3b1fbe6"
+            "sourceHash" : "62785fb59dc9b27910bc47dccd52a51819595781d9e4eb3b7077fab729d062d2"
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@@ -16,9 +16,9 @@
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-                    "nonce" : "0x094dc0c6a8b5b7da",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g3v0.json
index 642bc5d92..53a2c629a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_0_1_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g3v0Filler.json",
-            "sourceHash" : "852a6657162915495ebdecce478670b3c89290b01ca9c2135f6a164bc28a43c9"
+            "sourceHash" : "34e1d464ddd7cacdef5618c9268a3fa66912fa9dc6bd85daec30dcf2023ef335"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad11",
-                    "hash" : "0xa05e860a71642ac3d4862e0aef2a8475abd426eb5bc186a4ad349287a3f9caff",
-                    "mixHash" : "0x23d29a2df49760f78b02e30e0682c215542ee9881fde065e7986ce88cbc3d76f",
-                    "nonce" : "0x0094bba8e41c51f4",
+                    "hash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
                     "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x80499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa05e860a71642ac3d4862e0aef2a8475abd426eb5bc186a4ad349287a3f9caff",
+        "lastblockhash" : "0x387570c5d7961427a8fd28c914f5f0a12861c5cedb6efdd08f83f5b65a46bcd1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_0_1_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_0_1_35000_d0g3v0Filler.json",
+            "sourceHash" : "34e1d464ddd7cacdef5618c9268a3fa66912fa9dc6bd85daec30dcf2023ef335"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad11",
+                    "hash" : "0x068bf8b54be7d4a6b4524568677a32059dc0dcc970ec8cad9e4a7adf435b064b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+                    "receiptTrie" : "0xda7c6e7afa7811440dc63a7bf5bdfec0a83bf38c79b90fc118fbce6cf54fb33f",
+                    "stateRoot" : "0x65bc31e81819fd42d10015a07bda003e367800a8f80bb08489b172a5d8fac694",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x80499d87a9f81104a1d7269e7033fbf554ffdef6cd9f2576841a0788d44b86d2",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000620000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010101000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x263867e9527162126c30750aa8078703f32e1f5b0a5bc74e6348287879a003e3",
+                        "s" : "0x1d47c1a5b0d2d1be39d77dc6820504031111da194954304e39e6bc75435b1c1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x33dfb35c32724d1e3d2213d1e828fe92b1920437b61f9b8054cb2c254466bdd7",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x7264b88677f27100d1b490a5884b15e13657277a25bc6dfdc3b256de81bc4c61",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x068bf8b54be7d4a6b4524568677a32059dc0dcc970ec8cad9e4a7adf435b064b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaeff",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615101",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g0v0.json
index 722e5a033..a01ca3168 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g0v0Filler.json",
-            "sourceHash" : "6436c541675694e945bfdd75e80b1816be925d6c0d9dd694d6d4e39ab78982cc"
+            "sourceHash" : "80daf1269ad268d0ac3abee816be4687deceb0a10e460a90e4215364ef9061cb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x69061bb078dff8f8a9ebf078bef1d737b902747b9c5947a2330dc235979ae712",
-                    "mixHash" : "0xa0846a25b7192104c1e0ec7e771e42b32fe3ae925c97ffd28d2751dae6b4fa14",
-                    "nonce" : "0x9c53870c4e64710b",
+                    "hash" : "0x093bb6fef13fbf0702684199007784fadfa6a9e0ca8b7b5a2c1d5e22bae5cc24",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd3db9fefbf621e087f1cbb952f35abc550c4ed6ba8e7d879fe65d05d18a95134",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x69061bb078dff8f8a9ebf078bef1d737b902747b9c5947a2330dc235979ae712",
+        "lastblockhash" : "0x093bb6fef13fbf0702684199007784fadfa6a9e0ca8b7b5a2c1d5e22bae5cc24",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g0v0Filler.json",
+            "sourceHash" : "80daf1269ad268d0ac3abee816be4687deceb0a10e460a90e4215364ef9061cb"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xc4d80ab248ccaff8c1ea9ac057456338f29cd016dc7b08de3736805f62772ba4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd3db9fefbf621e087f1cbb952f35abc550c4ed6ba8e7d879fe65d05d18a95134",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0f9a58",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x04012cef17dbff8fac18d1549d3ef53adaab67c885851cb3ed578bcbd965ff40",
+                        "s" : "0x3ba79d98e2322015ef8a67be3b65c06d2e6cd45e011e1ad6d7e01f5cc67f9fe5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc4d80ab248ccaff8c1ea9ac057456338f29cd016dc7b08de3736805f62772ba4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g1v0.json
index b40544268..e77dcf45b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g1v0Filler.json",
-            "sourceHash" : "2e974af5f7c510ca70393069d4bd5b47a98d943fbb9c0f7b1c73df0e8eb3a250"
+            "sourceHash" : "7e23ae7bf0efc681d83820924a7072a29032dd9fe96395b0282d62807ece09fd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x93bb87068f597977deaa39ea94d97d30713e9d8d978eb08f63cefc1fa99b9ec7",
-                    "mixHash" : "0xcaa8970607047dc3ba8c6dc12d6927e85b83c92ad5eacc4e3eaaabfe842ceaf1",
-                    "nonce" : "0xe7dc3ce154b2a4bc",
+                    "hash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xba4a5bf3f3eba069f062a1ab9612cab8e8b098455893ae369704ccbf3d7abbc9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x93bb87068f597977deaa39ea94d97d30713e9d8d978eb08f63cefc1fa99b9ec7",
+        "lastblockhash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g1v0Filler.json",
+            "sourceHash" : "7e23ae7bf0efc681d83820924a7072a29032dd9fe96395b0282d62807ece09fd"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xd1211a0911a8ac04341ca03debde837f54e93b987082c98705029698ac1d6e3e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xba4a5bf3f3eba069f062a1ab9612cab8e8b098455893ae369704ccbf3d7abbc9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7da0ba4a5bf3f3eba069f062a1ab9612cab8e8b098455893ae369704ccbf3d7abbc9a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000101010100000000000000000000000000000000000000000000000000000000001ba0bd74f740162d93f741ca4424125e14fd685aa4a7ba9ee055f38ac6aa3a82013da04865b9d10947f1dfc51a0373817a24510d18c4ffe70da8d7748b340ee17aed74c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbd74f740162d93f741ca4424125e14fd685aa4a7ba9ee055f38ac6aa3a82013d",
+                        "s" : "0x4865b9d10947f1dfc51a0373817a24510d18c4ffe70da8d7748b340ee17aed74",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd1211a0911a8ac04341ca03debde837f54e93b987082c98705029698ac1d6e3e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g2v0.json
index 81245a81d..c65426df3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g2v0Filler.json",
-            "sourceHash" : "89aba5359d3e9ab49c5da9e487c0f8c4a449d105d3962250da7f188da718b5bf"
+            "sourceHash" : "30e9f8a69d07de5c4d9b50d56cffb8e29a1e3145676f15223fc7690c74380156"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x1880b5bc793c322ef52fb4e3a3d224db2dfc3114ac12aa0e9a5e36e1e7c9b7a6",
-                    "mixHash" : "0xfd9072c12e4df9f63fe49cdc1c627059837f8dfc043bf4a40e1654ef4505e9ad",
-                    "nonce" : "0xd2d555c31cf589b4",
+                    "hash" : "0xbf0f25c6cb799f04bef1760e45587462423c7d0656a963e5e16c9040b654c0c5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xed42fc70bf2cafaf7d20d894609b5139bae70a7c4ddd9516e392f20e2f87b994",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1880b5bc793c322ef52fb4e3a3d224db2dfc3114ac12aa0e9a5e36e1e7c9b7a6",
+        "lastblockhash" : "0xbf0f25c6cb799f04bef1760e45587462423c7d0656a963e5e16c9040b654c0c5",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g2v0Filler.json",
+            "sourceHash" : "30e9f8a69d07de5c4d9b50d56cffb8e29a1e3145676f15223fc7690c74380156"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xb0f71579c8c845c6759bf3e5f5a09f1db9f3ec3a0eaf178499779a7f8f829523",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xed42fc70bf2cafaf7d20d894609b5139bae70a7c4ddd9516e392f20e2f87b994",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x0ce9a30a24b4e58d857ec70537592508e63714951109e752ec5ed2d120f35eba",
+                        "s" : "0x25e6dae0368a4c8cdbe20aa97ef10d851d2703586376840e2f3fab1e696d6f2c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb0f71579c8c845c6759bf3e5f5a09f1db9f3ec3a0eaf178499779a7f8f829523",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g3v0.json
index 78fcdf9ef..670b3602e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g3v0Filler.json",
-            "sourceHash" : "bd44bcb11947eda2593947d845727572095895f2829ccf112c24ed7571f80848"
+            "sourceHash" : "905e7fc894ff77b18127210688052fb2fbc094926f8a985e99d5afad0af8ba4e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xc7aea0a2bab176b59f201dbb60e7a612e6512d0a4cedbcf4e29bd75511651ea3",
-                    "mixHash" : "0xe51103be049c0f9c3b517026ea5fba4343206d3fab95e6c0268c011e96fff3ad",
-                    "nonce" : "0x584bf34c57fd7915",
+                    "hash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc7aea0a2bab176b59f201dbb60e7a612e6512d0a4cedbcf4e29bd75511651ea3",
+        "lastblockhash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_1000000_d0g3v0Filler.json",
+            "sourceHash" : "905e7fc894ff77b18127210688052fb2fbc094926f8a985e99d5afad0af8ba4e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa82e32b46a5dd1de800852136858d079161611b25b31de8d7697b1061918c935",
+                        "s" : "0x4da6b85a4e30a0a1e4b87da73278211d338261618c0bba90a45e40d3117b861c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g0v0.json
index 9b79176ff..0ee72eb45 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g0v0Filler.json",
-            "sourceHash" : "1a18c075ebd26c7af2b6ee77009e6877362c50ac94850c1a5722ec2af310c5e6"
+            "sourceHash" : "e9c4693442dfd280ad0f898a178d69fa7466c0fb0501c40901b7eaafdb12e36f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x2f6721f26d5623b63246bc0a8b70e6a6223b3003c6a0c906426eb9f9f61638b3",
-                    "mixHash" : "0x5e46d76f6a3c3dbc5d0b375dde3c82f0214b53c5e7eee7720c7655c5936e7ce8",
-                    "nonce" : "0xedcef2e7c87bae5b",
+                    "hash" : "0xf1837639b25b1b6ca961e28d47cb056263a3ff5d69bed46d7dedcc7c996faea6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3c556a289e0954811f03ca319440b834767f6de8615fe4f2b4a246b1bfc85ca0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2f6721f26d5623b63246bc0a8b70e6a6223b3003c6a0c906426eb9f9f61638b3",
+        "lastblockhash" : "0xf1837639b25b1b6ca961e28d47cb056263a3ff5d69bed46d7dedcc7c996faea6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g0v0Filler.json",
+            "sourceHash" : "e9c4693442dfd280ad0f898a178d69fa7466c0fb0501c40901b7eaafdb12e36f"
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+        "blocks" : [
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x01d619dc97a66ac34a140c1033ac89b7e6b67dfee409c0199b9b27a992535667",
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+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3c556a289e0954811f03ca319440b834767f6de8615fe4f2b4a246b1bfc85ca0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "v" : "0x1b",
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+                ],
+                "uncleHeaders" : [
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+        ],
+        "genesisBlockHeader" : {
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                }
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
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+                "code" : "",
+                "nonce" : "0x00",
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+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
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+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
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+                "nonce" : "0x00",
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000005" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
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+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000008" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g1v0.json
index 023a3f59d..1dc99a510 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g1v0Filler.json",
-            "sourceHash" : "8c6e5d23a8e5bf9ec9ac690a0102ff59ac04216c3f045e26b6ddd146bcd6fb56"
+            "sourceHash" : "a7e4667750267046b3b8608fed4e4c40499d6269e5b49880c3537142aa9fa645"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x5e9209f173c3d80eebc6400c35dbf7480b3f4b0a41e7e64010c9ff44e10c3615",
-                    "mixHash" : "0x55777bb90ef457a9f90ad0fc20db74d2dd77c1bdd9aa17a6ca061f4eb8c455d2",
-                    "nonce" : "0xc2420efe76f6e6f1",
+                    "hash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x5e9209f173c3d80eebc6400c35dbf7480b3f4b0a41e7e64010c9ff44e10c3615",
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         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g2v0.json
index 442252407..1dca48669 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g2v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g2v0Filler.json",
-            "sourceHash" : "e786770cf85dbf5a57979f4f3b4e4058e21c38c2c3c4cc0f7ca5e3079d352166"
+            "sourceHash" : "4f8233935ae45e06ac2ae6321b778262107528073b041d656a76fec02bc018c5"
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@@ -16,9 +16,9 @@
                     "extraData" : "",
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-                    "nonce" : "0xb6269540bcd77f47",
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@@ -27,7 +27,7 @@
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@@ -224,6 +224,235 @@
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g3v0.json
index a98036323..0a23826b9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g3v0Filler.json",
-            "sourceHash" : "1a1f09f7945ca71492032273b199a60f7241c74c670566bfaea479693ad5a7a5"
+            "sourceHash" : "9c8590376b2077bb6249ada97e2b7c4bebb3eb29eb0cace0143e36d22f1f70b2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x38bbe15d383249ec645058f83047c98cc5760be4cf88ad2e7d58d81a2e79da22",
-                    "mixHash" : "0x892790b75636cd7a4739ce3abb5ade2403de67c83fdb48c2e6219f4d221cca2a",
-                    "nonce" : "0x332516c164dbc49d",
+                    "hash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x38bbe15d383249ec645058f83047c98cc5760be4cf88ad2e7d58d81a2e79da22",
+        "lastblockhash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_155000_d0g3v0Filler.json",
+            "sourceHash" : "9c8590376b2077bb6249ada97e2b7c4bebb3eb29eb0cace0143e36d22f1f70b2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
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+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
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+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
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+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g0v0.json
index 810feb27f..0f0f10cef 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g0v0Filler.json",
-            "sourceHash" : "0545ace168ddd7118df3d52afda610425d565e55fdffd917ef23de320b0593b5"
+            "sourceHash" : "3d5aaf38334d3549b3f6528d3c791862ad60f4468df37bd2317d6984017e1fd2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa82c",
-                    "hash" : "0xdf5eb14d55c1e456c5357dddfd1e5d2c6c5d4a01e0f62047d127466a909b3e93",
-                    "mixHash" : "0x9e934e0e600cefb10612f01e28b1aef045bf0367ab489b16511a9df56f2297e2",
-                    "nonce" : "0xa05b45c662c6fa5c",
+                    "hash" : "0xd317536e220782fb155794fdf6294dd5630881f1fbba94dc8325a42e4e87dd36",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0x7917d558998776091d17c1b01e1ad00e9bb51ad9e0da96ce5c0a13328253097b",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x86d384eba47ddb17ca9549feff76a917e4a8231001d12228c43306c8c5f1624d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdf5eb14d55c1e456c5357dddfd1e5d2c6c5d4a01e0f62047d127466a909b3e93",
+        "lastblockhash" : "0xd317536e220782fb155794fdf6294dd5630881f1fbba94dc8325a42e4e87dd36",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g0v0Filler.json",
+            "sourceHash" : "3d5aaf38334d3549b3f6528d3c791862ad60f4468df37bd2317d6984017e1fd2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xa82c",
+                    "hash" : "0xb3a9e5833a72f125d9393b70425331fc44133a25ac86158955218ce1f12b8672",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0x7917d558998776091d17c1b01e1ad00e9bb51ad9e0da96ce5c0a13328253097b",
+                    "stateRoot" : "0x12c0919184a23ca2c13151a8bcbfab34315f429ce83a91e9fc028f084e55c10a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x86d384eba47ddb17ca9549feff76a917e4a8231001d12228c43306c8c5f1624d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90326f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a012c0919184a23ca2c13151a8bcbfab34315f429ce83a91e9fc028f084e55c10aa086d384eba47ddb17ca9549feff76a917e4a8231001d12228c43306c8c5f1624da07917d558998776091d17c1b01e1ad00e9bb51ad9e0da96ce5c0a13328253097bb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082a82c8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90127f90124010182a82c94c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000101010100000000000000000000000000000000000000000000000000000000001ba08d7c03a300d1259fd22895adb720e9a139356e126bd5099b91d9c28851cac4c8a03d40e258326ed32424d01c2b8d1297e6a93526fa9d0efd6ca744d8a608035ea0c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xa82c",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x8d7c03a300d1259fd22895adb720e9a139356e126bd5099b91d9c28851cac4c8",
+                        "s" : "0x3d40e258326ed32424d01c2b8d1297e6a93526fa9d0efd6ca744d8a608035ea0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xb3a9e5833a72f125d9393b70425331fc44133a25ac86158955218ce1f12b8672",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaa1a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a76155e6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g1v0.json
index ca00bb081..838462c16 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g1v0Filler.json",
-            "sourceHash" : "96b276a3fa67f68306bb3637e54d5b1f31beb811f174d4ca853a8a7e1a8dfe12"
+            "sourceHash" : "68d9086e7964eee405cb5e69a8d35637ca368f756ab7cb919e344b57d4b57fc3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xd48c0b787c2ffa690206490bee9bcb416f12c4e1de778becac01813d4cf3cc23",
-                    "mixHash" : "0x6f54a167db08695465a1d3b94c69c1c68801de78d0c2c86e58c8518fad955924",
-                    "nonce" : "0x1f8736c2932824b5",
+                    "hash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xba4a5bf3f3eba069f062a1ab9612cab8e8b098455893ae369704ccbf3d7abbc9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0beba61be9f9a7ce45bcf5502fe53021bc7480eb53bce83c849da8a3642b411d3a0ba4a5bf3f3eba069f062a1ab9612cab8e8b098455893ae369704ccbf3d7abbc9a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a06f54a167db08695465a1d3b94c69c1c68801de78d0c2c86e58c8518fad955924881f8736c2932824b5f90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000101010100000000000000000000000000000000000000000000000000000000001ba0bd74f740162d93f741ca4424125e14fd685aa4a7ba9ee055f38ac6aa3a82013da04865b9d10947f1dfc51a0373817a24510d18c4ffe70da8d7748b340ee17aed74c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xd48c0b787c2ffa690206490bee9bcb416f12c4e1de778becac01813d4cf3cc23",
+        "lastblockhash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g1v0Filler.json",
+            "sourceHash" : "68d9086e7964eee405cb5e69a8d35637ca368f756ab7cb919e344b57d4b57fc3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xd1211a0911a8ac04341ca03debde837f54e93b987082c98705029698ac1d6e3e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xba4a5bf3f3eba069f062a1ab9612cab8e8b098455893ae369704ccbf3d7abbc9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbd74f740162d93f741ca4424125e14fd685aa4a7ba9ee055f38ac6aa3a82013d",
+                        "s" : "0x4865b9d10947f1dfc51a0373817a24510d18c4ffe70da8d7748b340ee17aed74",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd1211a0911a8ac04341ca03debde837f54e93b987082c98705029698ac1d6e3e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g2v0.json
index ee5837466..0e221093b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g2v0Filler.json",
-            "sourceHash" : "502813ece6982b9afdecd2aaf34712043884c4c908741220b190a94e3c956272"
+            "sourceHash" : "864ff765fd11cb6c0e0409f55fa0a7b0a89df1deec7b9ca9ab91df3c3e244616"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x87fbbdc89b4fac8bfad46f8d3e45a955a31b38582d0e2cad57516b33853f3a39",
-                    "mixHash" : "0x6c100bb11414bb3aeff7f8572399dff2329a1af07044d3dcd035c4942f786368",
-                    "nonce" : "0x9efdf67fbedb9d44",
+                    "hash" : "0xbf0f25c6cb799f04bef1760e45587462423c7d0656a963e5e16c9040b654c0c5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xed42fc70bf2cafaf7d20d894609b5139bae70a7c4ddd9516e392f20e2f87b994",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0beba61be9f9a7ce45bcf5502fe53021bc7480eb53bce83c849da8a3642b411d3a0ed42fc70bf2cafaf7d20d894609b5139bae70a7c4ddd9516e392f20e2f87b994a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000101010100000000000000000000000000000000000000000000000000000000001ca00ce9a30a24b4e58d857ec70537592508e63714951109e752ec5ed2d120f35ebaa025e6dae0368a4c8cdbe20aa97ef10d851d2703586376840e2f3fab1e696d6f2cc0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x87fbbdc89b4fac8bfad46f8d3e45a955a31b38582d0e2cad57516b33853f3a39",
+        "lastblockhash" : "0xbf0f25c6cb799f04bef1760e45587462423c7d0656a963e5e16c9040b654c0c5",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g2v0Filler.json",
+            "sourceHash" : "864ff765fd11cb6c0e0409f55fa0a7b0a89df1deec7b9ca9ab91df3c3e244616"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xb0f71579c8c845c6759bf3e5f5a09f1db9f3ec3a0eaf178499779a7f8f829523",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xed42fc70bf2cafaf7d20d894609b5139bae70a7c4ddd9516e392f20e2f87b994",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x0ce9a30a24b4e58d857ec70537592508e63714951109e752ec5ed2d120f35eba",
+                        "s" : "0x25e6dae0368a4c8cdbe20aa97ef10d851d2703586376840e2f3fab1e696d6f2c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb0f71579c8c845c6759bf3e5f5a09f1db9f3ec3a0eaf178499779a7f8f829523",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g3v0.json
index ce5714693..531779e93 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g3v0Filler.json",
-            "sourceHash" : "6bdbfb4d3547cd82c9e0b9be2ca8debe623ecf23215408296fbe543980352161"
+            "sourceHash" : "7c4bf5c9c7d5151eeb5ee3986708f7702e063e8b84329df2d273c48efa4574eb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x8bebd6c1504a1cb671c53991464244f3fc8a65ca79ba2dd3c03bb749314acfe0",
-                    "mixHash" : "0xfa8267c0028c9dcf2e66105422fed006b897e6ea298a11de11a381a629261f0c",
-                    "nonce" : "0xae6f49f9fcc813ef",
+                    "hash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0beba61be9f9a7ce45bcf5502fe53021bc7480eb53bce83c849da8a3642b411d3a07477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8fa0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a0fa8267c0028c9dcf2e66105422fed006b897e6ea298a11de11a381a629261f0c88ae6f49f9fcc813eff90128f90125010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000101010100000000000000000000000000000000000000000000000000000000001ca0a82e32b46a5dd1de800852136858d079161611b25b31de8d7697b1061918c935a04da6b85a4e30a0a1e4b87da73278211d338261618c0bba90a45e40d3117b861cc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8bebd6c1504a1cb671c53991464244f3fc8a65ca79ba2dd3c03bb749314acfe0",
+        "lastblockhash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_20500_d0g3v0Filler.json",
+            "sourceHash" : "7c4bf5c9c7d5151eeb5ee3986708f7702e063e8b84329df2d273c48efa4574eb"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa82e32b46a5dd1de800852136858d079161611b25b31de8d7697b1061918c935",
+                        "s" : "0x4da6b85a4e30a0a1e4b87da73278211d338261618c0bba90a45e40d3117b861c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g0v0.json
index 462a8f77f..aae9e5062 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g0v0Filler.json",
-            "sourceHash" : "4d3ff3589bcbc5aa8d83732f86306f593a7c44f1351b7f9a7cafa5defa3db2ab"
+            "sourceHash" : "b1da577447314c81b29114d30f33081262d33d4ccfaf29d95f70e6eb39dc1476"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xadec63f0147fbe4b917353f8bba5ffb2206df57aee4ac43dc5c155c14b5f591d",
-                    "mixHash" : "0xec981f88bad4179457d3933afebb93a279d98b6ab4e58902e816693e3cdfbfd9",
-                    "nonce" : "0x04948689aea4193f",
+                    "hash" : "0x1ccfb1d6278f41ed3f9a9dbfcc21b9b2dbac32f2336e45899e643969c0bb576e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x22885f7ce584ecb279bf96149b7e6643d82383b5927dd96ac8e78c3713d7a42e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xadec63f0147fbe4b917353f8bba5ffb2206df57aee4ac43dc5c155c14b5f591d",
+        "lastblockhash" : "0x1ccfb1d6278f41ed3f9a9dbfcc21b9b2dbac32f2336e45899e643969c0bb576e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g0v0Filler.json",
+            "sourceHash" : "b1da577447314c81b29114d30f33081262d33d4ccfaf29d95f70e6eb39dc1476"
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+        "blocks" : [
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x61dec7aba292ac14606ecc3a0e8f8aeec9b0bd1be2176aa3d2a5e109c155191c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x22885f7ce584ecb279bf96149b7e6643d82383b5927dd96ac8e78c3713d7a42e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "gasLimit" : "0xae08",
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+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
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+                }
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
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+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
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+            "0x0000000000000000000000000000000000000007" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000008" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g1v0.json
index 31846f1c0..c88fd2054 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g1v0Filler.json",
-            "sourceHash" : "1c86e725cb610e5dcf9d9223255d9012f66ed45a70357e460f7fa2f83449ab5a"
+            "sourceHash" : "213a1b72cc5e81082b4fa5568b604b2d254377edfacf8f11d110ba6ecf0e3451"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xd96cd69d875981a92f50e68181b59dfb8cb8e8f188cd07b0481b06cffdc6aac5",
-                    "mixHash" : "0x3d7c5a3d7df526916fb904eac435546f69d96269f9625d1cf3693664cc61b944",
-                    "nonce" : "0x87a35d91ff591525",
+                    "hash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g2v0.json
index d1738c8e8..ad943b01b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_22000_d0g2v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g2v0Filler.json",
-            "sourceHash" : "90db371a74cdb21f72e242ce72313769c9c3d6477753dd33a28b9630aaa1817d"
+            "sourceHash" : "bf03f06cdfdc571b994e66413e5e0e012028a1ea1ec4a9d5d6b099c62fd909c2"
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xad91",
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-                    "mixHash" : "0x3086564a7540000ee18925d8eea870e869a9c0a97efeaee26c5c0313e2acf249",
-                    "nonce" : "0x064446af428980f1",
+                    "hash" : "0xbf0f25c6cb799f04bef1760e45587462423c7d0656a963e5e16c9040b654c0c5",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
                 "storage" : {
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g3v0.json
index 9e6c9b321..029b51975 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g3v0Filler.json",
-            "sourceHash" : "d33fd5ed2513c7a8a981f772fb2da71bd198c173791f443b8158b1a09f886ba8"
+            "sourceHash" : "928342a8606b08f79d15b8bbc37232ade9757b34984a4a3304070f19510cd83a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xcef474b4aa457b02d0a262990191492e690a6799de4cd4fd1cbebf892a3e4300",
-                    "mixHash" : "0x0e97198aba8563c594eef3b116e8c2fdb2db1f1887198413147c1851cee5fa31",
-                    "nonce" : "0x081febda898ad370",
+                    "hash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0beba61be9f9a7ce45bcf5502fe53021bc7480eb53bce83c849da8a3642b411d3a07477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8fa0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a00e97198aba8563c594eef3b116e8c2fdb2db1f1887198413147c1851cee5fa3188081febda898ad370f90128f90125010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000101010100000000000000000000000000000000000000000000000000000000001ca0a82e32b46a5dd1de800852136858d079161611b25b31de8d7697b1061918c935a04da6b85a4e30a0a1e4b87da73278211d338261618c0bba90a45e40d3117b861cc0",
+                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0beba61be9f9a7ce45bcf5502fe53021bc7480eb53bce83c849da8a3642b411d3a07477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8fa0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f90125010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000101010100000000000000000000000000000000000000000000000000000000001ca0a82e32b46a5dd1de800852136858d079161611b25b31de8d7697b1061918c935a04da6b85a4e30a0a1e4b87da73278211d338261618c0bba90a45e40d3117b861cc0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xcef474b4aa457b02d0a262990191492e690a6799de4cd4fd1cbebf892a3e4300",
+        "lastblockhash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_22000_d0g3v0Filler.json",
+            "sourceHash" : "928342a8606b08f79d15b8bbc37232ade9757b34984a4a3304070f19510cd83a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa82e32b46a5dd1de800852136858d079161611b25b31de8d7697b1061918c935",
+                        "s" : "0x4da6b85a4e30a0a1e4b87da73278211d338261618c0bba90a45e40d3117b861c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g0v0.json
index fa3f7ce85..f32fef0eb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g0v0Filler.json",
-            "sourceHash" : "4316e7684e81877cd273f3f0a24bb83d77775eb51ba5ebe4bb4dc244ec50dc2e"
+            "sourceHash" : "d98a92e196d8d79fdeff19a5e5292e485572aef4f060817145365a05603c7df8"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xd3b39e5a15442225ebd652b26f5fa2a658f64d54a93c178a75e37e1ab17eaa44",
-                    "mixHash" : "0x25cedabaf4b46d0551d881f35cbcacd96b5c69203035ebd517f2533a9231aa83",
-                    "nonce" : "0xbdb516d1e025b505",
+                    "hash" : "0xa1d5134657618fe8028e0bc1996123faa9175d6ab967fe0703947516bcc5a107",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9a7cdaff1c61237e0eb305cb60a2003174991559407305012df844acbcfc356e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd3b39e5a15442225ebd652b26f5fa2a658f64d54a93c178a75e37e1ab17eaa44",
+        "lastblockhash" : "0xa1d5134657618fe8028e0bc1996123faa9175d6ab967fe0703947516bcc5a107",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g0v0Filler.json",
+            "sourceHash" : "d98a92e196d8d79fdeff19a5e5292e485572aef4f060817145365a05603c7df8"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x353518ffb1aac9d5b493cd4c192ab3d334586acd97a6707ef77c852188780a27",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9a7cdaff1c61237e0eb305cb60a2003174991559407305012df844acbcfc356e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xb9c0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xb3914b33a36fe44c138d04428f048ecf9c237a59a684a654386c6cc57a891433",
+                        "s" : "0x74f705c8c2b5c0d7c09080bc3d7b1678d260ec9b436e614407268d23b8b5790e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x353518ffb1aac9d5b493cd4c192ab3d334586acd97a6707ef77c852188780a27",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g1v0.json
index 29b3a33c9..7403a3eaf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g1v0Filler.json",
-            "sourceHash" : "b669da15c33b77acb5b2934523f210a94b7d8415e076b88f8eb5aca6b0938c6a"
+            "sourceHash" : "f62a5fc701cdcbc81d7c3350503fe5cd3e505df1734f2e3e9c3fcf521e14f914"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x95ebd4d3f4a95a556cc57f35968d89f8777b8e05249c7170b5f3f9d7a3bd8636",
-                    "mixHash" : "0x41dcc93231bfe081ce7e410bbec92fd95b3efb2c7d652a3746e46a3fd972ab90",
-                    "nonce" : "0x14afc005bc7d055a",
+                    "hash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xba4a5bf3f3eba069f062a1ab9612cab8e8b098455893ae369704ccbf3d7abbc9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x95ebd4d3f4a95a556cc57f35968d89f8777b8e05249c7170b5f3f9d7a3bd8636",
+        "lastblockhash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g1v0Filler.json",
+            "sourceHash" : "f62a5fc701cdcbc81d7c3350503fe5cd3e505df1734f2e3e9c3fcf521e14f914"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xd1211a0911a8ac04341ca03debde837f54e93b987082c98705029698ac1d6e3e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xba4a5bf3f3eba069f062a1ab9612cab8e8b098455893ae369704ccbf3d7abbc9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbd74f740162d93f741ca4424125e14fd685aa4a7ba9ee055f38ac6aa3a82013d",
+                        "s" : "0x4865b9d10947f1dfc51a0373817a24510d18c4ffe70da8d7748b340ee17aed74",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd1211a0911a8ac04341ca03debde837f54e93b987082c98705029698ac1d6e3e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g2v0.json
index b160379b2..eb8b6a773 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g2v0Filler.json",
-            "sourceHash" : "97ed3a54804decb315846020da8e47056bb477d952a1f71c6c90c05f09232751"
+            "sourceHash" : "9a5ec0b54d20cd91ebe363a3810821312ca82339746abf1b6f87c0d3060e189e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xa05505856fad39356958c3b62435a87248a062704f412b958e23eae67b0992c5",
-                    "mixHash" : "0x372e4196d15d8ba79823e3d97410c2ac5558d3f07d2a12969decca9d9c92bc0a",
-                    "nonce" : "0xf9d5facb7799ba51",
+                    "hash" : "0xbf0f25c6cb799f04bef1760e45587462423c7d0656a963e5e16c9040b654c0c5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xed42fc70bf2cafaf7d20d894609b5139bae70a7c4ddd9516e392f20e2f87b994",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xa05505856fad39356958c3b62435a87248a062704f412b958e23eae67b0992c5",
+        "lastblockhash" : "0xbf0f25c6cb799f04bef1760e45587462423c7d0656a963e5e16c9040b654c0c5",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g2v0Filler.json",
+            "sourceHash" : "9a5ec0b54d20cd91ebe363a3810821312ca82339746abf1b6f87c0d3060e189e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xb0f71579c8c845c6759bf3e5f5a09f1db9f3ec3a0eaf178499779a7f8f829523",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xed42fc70bf2cafaf7d20d894609b5139bae70a7c4ddd9516e392f20e2f87b994",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x0ce9a30a24b4e58d857ec70537592508e63714951109e752ec5ed2d120f35eba",
+                        "s" : "0x25e6dae0368a4c8cdbe20aa97ef10d851d2703586376840e2f3fab1e696d6f2c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb0f71579c8c845c6759bf3e5f5a09f1db9f3ec3a0eaf178499779a7f8f829523",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g3v0.json
index 525a260d1..c2db7214e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g3v0Filler.json",
-            "sourceHash" : "b7ea802795bfd36ba0b6f15a805e8c9a18c8ee57019400b094954f4d6f6026e7"
+            "sourceHash" : "426877771bf8e857a566db80a0579d5528446148cb28b119e61f07326b8f7030"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x7cacb8ef1047aff5464df0201cde238b7838c44587cb394b312bece8b281c430",
-                    "mixHash" : "0x0b3e8a310cab8f63e7a69df519a788715e9592d6aa6ee9564ed092b2d672c78a",
-                    "nonce" : "0x0b833e4442d178ab",
+                    "hash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7cacb8ef1047aff5464df0201cde238b7838c44587cb394b312bece8b281c430",
+        "lastblockhash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_25000_d0g3v0Filler.json",
+            "sourceHash" : "426877771bf8e857a566db80a0579d5528446148cb28b119e61f07326b8f7030"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa82e32b46a5dd1de800852136858d079161611b25b31de8d7697b1061918c935",
+                        "s" : "0x4da6b85a4e30a0a1e4b87da73278211d338261618c0bba90a45e40d3117b861c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g0v0.json
index cd8e52388..1874ddf20 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g0v0Filler.json",
-            "sourceHash" : "39137c19ea9d01799c2c8c316acad488ea2b0a9515e431cfcfb4ca922d3d8c40"
+            "sourceHash" : "5d9630d34eae7275fb46a41dd7398a17c62f633a1b0372420f6ec7020dfa31ef"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x4319ba6ab1bc1ff4fe0c3d7941193877eb67023587468e4471221084cc4ff52d",
-                    "mixHash" : "0x83491b57dadcc6093493561bbdd8b52710d7ee53f94c2f54969c4ca85d4b0f45",
-                    "nonce" : "0xcc831bc859bf0e41",
+                    "hash" : "0x6182870f525d851a069eb660afc5d452d73f03be5e890c4bd2a3399ea3b4955b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x118ffedc73e90611b3bd7333671a0f4499ba6f082ba1fd8e80f581873b693cf1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4319ba6ab1bc1ff4fe0c3d7941193877eb67023587468e4471221084cc4ff52d",
+        "lastblockhash" : "0x6182870f525d851a069eb660afc5d452d73f03be5e890c4bd2a3399ea3b4955b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g0v0Filler.json",
+            "sourceHash" : "5d9630d34eae7275fb46a41dd7398a17c62f633a1b0372420f6ec7020dfa31ef"
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
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+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
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+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
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+                    "transactionsTrie" : "0x118ffedc73e90611b3bd7333671a0f4499ba6f082ba1fd8e80f581873b693cf1",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "v" : "0x1c",
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+        ],
+        "genesisBlockHeader" : {
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+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
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+                "nonce" : "0x00",
+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+                "nonce" : "0x00",
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+                "nonce" : "0x00",
+                "storage" : {
+                }
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+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "nonce" : "0x00",
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+                "code" : "",
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+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g1v0.json
index 19fec828c..059f846b4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g1v0Filler.json",
-            "sourceHash" : "1836ad67317adef4312743e2fdc101e1ec2009e708e305088bb47b4a89fe696d"
+            "sourceHash" : "9d89a65ba9b7833608e085c2422e5a4019244b12204256ff937062cdd158a8f1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x30efef3c9539a8e1fa5b6db0ef9ed2f4bab1e82dd023504643038bb1e965652d",
-                    "mixHash" : "0x3d916b6e1914637e19660f9428f297838cba5a0d624c24942bfdcaa6490c29fe",
-                    "nonce" : "0x6e6a220995dab94f",
+                    "hash" : "0xc40718eef1beb06cafc0221804cb7692612c57bf5cacce9e44d3b40400c74e05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
                 "storage" : {
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-        }
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+        "sealEngine" : "NoProof"
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
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+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
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+                "nonce" : "0x01",
+                "storage" : {
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g2v0.json
index 9432e2f2e..62dde7a7f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_35000_d0g2v0_Byzantium" : {
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g2v0Filler.json",
-            "sourceHash" : "64512b81b650a389898b368a034b7a2bd2b7c096ed41a49208adccebd47f3fbc"
+            "sourceHash" : "61d972a4edd53cc7cc856efb28ff70816594de87c6c8ff3a53ab4592b463fceb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
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-                    "mixHash" : "0xcb5518b2844e2da617047ef37cafe5cf3a54f41cc3ec0ccfa5655358c8fa49cd",
-                    "nonce" : "0xa223ef26813b5d32",
+                    "hash" : "0xbf0f25c6cb799f04bef1760e45587462423c7d0656a963e5e16c9040b654c0c5",
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                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
                 "storage" : {
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-        }
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+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g3v0.json
index e8b436db7..eb15a6b8a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_1_1_1_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g3v0Filler.json",
-            "sourceHash" : "56ba08b5943b4901761b1e1541c99a5d5d662ef776aefa75f15a5e8ab8df2df0"
+            "sourceHash" : "4a6fc9fb3c99ad256acdca94bbb652d7fc3a1a2988e569c7c1874f04b8395a20"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x78cc2d2836dc104dc2f1ee23da1f5ddceb32ab857ac210416eda863a36fcd15a",
-                    "mixHash" : "0xb833a8a065995f4e46365898fcabd79c6595d39257a97c8a9d468cd08c16546c",
-                    "nonce" : "0x6580b058fd2171e1",
+                    "hash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x78cc2d2836dc104dc2f1ee23da1f5ddceb32ab857ac210416eda863a36fcd15a",
+        "lastblockhash" : "0xc0c8c9cc7e256b4963fac8f3afc7c229ed9cf090696b83ff3054108335765d2d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_1_1_1_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_1_1_1_35000_d0g3v0Filler.json",
+            "sourceHash" : "4a6fc9fb3c99ad256acdca94bbb652d7fc3a1a2988e569c7c1874f04b8395a20"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x684faad37a0b05441d0dee9dc127e069c63a8ab3b1268ae8a1da867943c73d7d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7477ec8f295394fd5933bdaa1e150bff33599c921a080f5d062168d85ada7d8f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010101010000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa82e32b46a5dd1de800852136858d079161611b25b31de8d7697b1061918c935",
+                        "s" : "0x4da6b85a4e30a0a1e4b87da73278211d338261618c0bba90a45e40d3117b861c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcabeef7ffd5e10b0b657b0d227cfc76ee72176382d44541e48dbae7871370ca2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g0v0.json
index 3f5fa9baa..0ab8e88db 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_22411_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g0v0Filler.json",
-            "sourceHash" : "299a6693eefd5b78f4579c3cc6a56e9a489b550e4de41ce988c6b85b59f6d00f"
+            "sourceHash" : "65299cb310cec20687f1189c5cda639e4d8f50534b436a06610ce5e867bde349"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf1c8",
-                    "hash" : "0x46a29f2cf6888f602be31ee70230ef7026800439859bd6d7bc1ee1b70ee2dd35",
-                    "mixHash" : "0x7fb08080abc8c94f435540687a254d8d034234be025777c5d2776b0ba4d53c08",
-                    "nonce" : "0x47b0cf885f250df1",
+                    "hash" : "0xbb52fb10de33f611ee391acb7f16911d4dc81441b0523bd3b0842f37282ca110",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x026e61688a82184479c8661d460f49d0e46108e0f6da511e461f4ea6183601ed",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xac3752900fd9900cdf806d55ca70bae56d7b9068724be5d48ff9aa33f49e33b9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x46a29f2cf6888f602be31ee70230ef7026800439859bd6d7bc1ee1b70ee2dd35",
+        "lastblockhash" : "0xbb52fb10de33f611ee391acb7f16911d4dc81441b0523bd3b0842f37282ca110",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_22411_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g0v0Filler.json",
+            "sourceHash" : "65299cb310cec20687f1189c5cda639e4d8f50534b436a06610ce5e867bde349"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf1c8",
+                    "hash" : "0x00bd63c991b256f4715a9b661434bba77c0cd86c5a0ef0fed646cf01173037b8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x026e61688a82184479c8661d460f49d0e46108e0f6da511e461f4ea6183601ed",
+                    "stateRoot" : "0x0e8246fdcfbc24bb6b06db89e44d378dabf43c794da077c59c84e934582d5a12",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xac3752900fd9900cdf806d55ca70bae56d7b9068724be5d48ff9aa33f49e33b9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xf1c8",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x59a2a7823af3045ca3816fab7d2ccfb3dacd65a48f9c6488e21c096261301855",
+                        "s" : "0x2a4c516bcffcd1dcebe9d9766edb5980f1ff7657cc2be3689d514c4280d315fd",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x00bd63c991b256f4715a9b661434bba77c0cd86c5a0ef0fed646cf01173037b8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf4c2",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7610b3e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g1v0.json
index 19936567b..8e908efe2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_22411_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g1v0Filler.json",
-            "sourceHash" : "1038100612c1f8aeddd960bad9a1347da199931fd5c634b5b1e9444b07391f6f"
+            "sourceHash" : "658816c6730608b317cdb230cbab9a1ac74e43ffbc46ecad9abfd606ef9d0a16"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x6bb1340d68e15a4a3045ecce86091c9833d2f1ed6ac57b62284d675f61a3e13b",
-                    "mixHash" : "0x4ee291477155487f2a23994b20b35724f8360600fe771a33eb616d63ed452c97",
-                    "nonce" : "0x128c4fe13d3147d6",
+                    "hash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6bb1340d68e15a4a3045ecce86091c9833d2f1ed6ac57b62284d675f61a3e13b",
+        "lastblockhash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_22411_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g1v0Filler.json",
+            "sourceHash" : "658816c6730608b317cdb230cbab9a1ac74e43ffbc46ecad9abfd606ef9d0a16"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2c589cfead49893491fbe5d82a33402c366c905d77f160a5f01b2c08aa73b2c0",
+                        "s" : "0x49202fc3f90d64bdfcdca492e1c4c294239e24244769d0296c9b7dba21eb9b7b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g2v0.json
index 700d2d2ca..fff5aa6cf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_22411_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g2v0Filler.json",
-            "sourceHash" : "3d5fe18060339c49cc713e7c6946ecfbf84b95757f5fe8b00444e74bb99eb5f4"
+            "sourceHash" : "3494580933cab5c8af26dbe35e2df80f8da2b53c49ce8793ff668675837e2f9c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x27d63d0f44a1e0e1e2a3f6e19c6a2d2fc90a1aa5a7316bd0b77c1e5153b33d31",
-                    "mixHash" : "0x303790399fa1379ec4eec8c27a81192855e50dde6367476141dae0af8d37f1c4",
-                    "nonce" : "0x4ffaa021d7e56fa2",
+                    "hash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x27d63d0f44a1e0e1e2a3f6e19c6a2d2fc90a1aa5a7316bd0b77c1e5153b33d31",
+        "lastblockhash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_22411_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g2v0Filler.json",
+            "sourceHash" : "3494580933cab5c8af26dbe35e2df80f8da2b53c49ce8793ff668675837e2f9c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d02bf4e787e1ea6225ff3c295e1d2c680489bbcbe88908aab279c15e136bdc1",
+                        "s" : "0x4aa72430be82743a7c35c41e69a957e51e7ffbfd35edaff76257ed9f454955b9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g3v0.json
index 794094676..f2f5e863b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_22411_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g3v0Filler.json",
-            "sourceHash" : "fb945a9e5d80c07a8308d2e04fb967fabf61363873c658c6d9929f0ff31e15d1"
+            "sourceHash" : "c8e99472903d57253039fdb7fc9fbf36564b7da93066bdcd0faba9ac892e12dd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xb250737765147336d648660304703623da154509b80d68c07055f0c5f9634fa6",
-                    "mixHash" : "0x220abc3fad9bc5c4e2f450146866be0d1dfcce9ff2b7366fa4e0df3ccbd030f4",
-                    "nonce" : "0x04c2901d2a6a1219",
+                    "hash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0add3e81e847ee37b3341aea999590e01f03f1b6e98584e12c40a80617d709a50a0664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9a0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a0220abc3fad9bc5c4e2f450146866be0d1dfcce9ff2b7366fa4e0df3ccbd030f48804c2901d2a6a1219f90229f90226010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9701000000000000000000000000000000000000000000000000000000000000001ca0e8d93ad1bd1e9cfe4d4ed987c7599dd2fc5e8fa15d71ac7ed4c472920d31e2fba05faa6f1e0bfda79a5e46d8f35ca83e8ee80ceb48513f4894763f0faa25629bf8c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb250737765147336d648660304703623da154509b80d68c07055f0c5f9634fa6",
+        "lastblockhash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_22411_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_22411_22000_d0g3v0Filler.json",
+            "sourceHash" : "c8e99472903d57253039fdb7fc9fbf36564b7da93066bdcd0faba9ac892e12dd"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xe8d93ad1bd1e9cfe4d4ed987c7599dd2fc5e8fa15d71ac7ed4c472920d31e2fb",
+                        "s" : "0x5faa6f1e0bfda79a5e46d8f35ca83e8ee80ceb48513f4894763f0faa25629bf8",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g0v0.json
index 7ae1a1ac3..6efda92ed 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g0v0Filler.json",
-            "sourceHash" : "d71f026a18e1fcca56552b3e0d46f767d4bd3f937289b2325ff073f59e0bd917"
+            "sourceHash" : "3c5387d8173cd3453c79f0d84e1f02d0e11a7c4a3ef17200028bdf453dc742c4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x0b544b",
-                    "hash" : "0xe29b2c70b2d07d216e77c4e2b2ac06a6bc46aacb4596400103ba2adabc749fc9",
-                    "mixHash" : "0x17010dd85f101c59f6da939407eebdd2010c17f27b6dbebde754a9ae46286478",
-                    "nonce" : "0xfb14db55b86d48f2",
+                    "hash" : "0xd18a5909b6dd37a9c0c821a43801686c9db628786288d767f9823ed1903cc06d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0x885264095681600c0d0f81dc0862ed6c58535e5cf5c36b0e175cf588e39e1140",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x56f1ede994a30763caaf1c9b49b0190ea8cdaf56b4f89207de80d5de45960f64",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe29b2c70b2d07d216e77c4e2b2ac06a6bc46aacb4596400103ba2adabc749fc9",
+        "lastblockhash" : "0xd18a5909b6dd37a9c0c821a43801686c9db628786288d767f9823ed1903cc06d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g0v0Filler.json",
+            "sourceHash" : "3c5387d8173cd3453c79f0d84e1f02d0e11a7c4a3ef17200028bdf453dc742c4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x0b544b",
+                    "hash" : "0x692024a1273947dbeb389c5425db7dca0a328aaa2608809520f9a052b1c5e968",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0x885264095681600c0d0f81dc0862ed6c58535e5cf5c36b0e175cf588e39e1140",
+                    "stateRoot" : "0x2b5be38ec90a85a2edb7608f9aea50256f5539875a4e70cfb62914dacd4ce91f",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x56f1ede994a30763caaf1c9b49b0190ea8cdaf56b4f89207de80d5de45960f64",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a02b5be38ec90a85a2edb7608f9aea50256f5539875a4e70cfb62914dacd4ce91fa056f1ede994a30763caaf1c9b49b0190ea8cdaf56b4f89207de80d5de45960f64a0885264095681600c0d0f81dc0862ed6c58535e5cf5c36b0e175cf588e39e1140b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e100830b544b8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90209f902060101830fdd1894c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba0043c71ff3719f5d0602ae7eadfad2970040ba6efe698abd18e7d16337b1b64d9a04615feed7f83ecbdd53ec07d253e8fd21db8e293088afef26fca33d1b13b33d8c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x0fdd18",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x043c71ff3719f5d0602ae7eadfad2970040ba6efe698abd18e7d16337b1b64d9",
+                        "s" : "0x4615feed7f83ecbdd53ec07d253e8fd21db8e293088afef26fca33d1b13b33d8",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x692024a1273947dbeb389c5425db7dca0a328aaa2608809520f9a052b1c5e968",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ed55745",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a756a8bb",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g1v0.json
index 852d6ef68..31e27bf64 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g1v0Filler.json",
-            "sourceHash" : "8bdbd11fc45b8a597b55fe76d985f5333ba09e7c3dd7a163979acefaa53b83d0"
+            "sourceHash" : "f551b7bee534769e791f306f5f29ed9261d251ff253d7670076029d88e289957"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x29105dfbff804a1c60633870ca17ceaf36014a0dc7a062720c081fc0203757b8",
-                    "mixHash" : "0xa0a5cc980f020f5f846d1bde547b8254a6c7976a485def5f0c068754d620024f",
-                    "nonce" : "0x21032a23319547af",
+                    "hash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x29105dfbff804a1c60633870ca17ceaf36014a0dc7a062720c081fc0203757b8",
+        "lastblockhash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g1v0Filler.json",
+            "sourceHash" : "f551b7bee534769e791f306f5f29ed9261d251ff253d7670076029d88e289957"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xa78b33a02431fc75a9044fc041a171fedf57d8582df272286211b88950d72c6d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbd",
+                        "s" : "0x37457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g2v0.json
index 2171eba7b..af89a77d0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g2v0Filler.json",
-            "sourceHash" : "9c09f4700171714b3d236a565e8293e3139b03bd7ed1acfd2cafcd489188ffb1"
+            "sourceHash" : "22c9a0ca2826db4614a11576820e90036f32d675e30104a990b78ddf3d8fba59"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0xf6005ecb09c9903b2560b9edf7f155c7468af5b3d43e0e5c3b076851e1a0a6f2",
-                    "mixHash" : "0x9217d54741a20ee385e393cb0f8caf25fc81eca53a4aa5631cf695c8920696e8",
-                    "nonce" : "0x859d37a4974d79e6",
+                    "hash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf6005ecb09c9903b2560b9edf7f155c7468af5b3d43e0e5c3b076851e1a0a6f2",
+        "lastblockhash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g2v0Filler.json",
+            "sourceHash" : "22c9a0ca2826db4614a11576820e90036f32d675e30104a990b78ddf3d8fba59"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x1451b9b594f47447ee86ed8818ed277ca432e625731c2efbc7bf52b453712576",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc3b29699392e4dc158ae440a2daa70cbffc28a55bca3ae1adba82ac7c042bb4",
+                        "s" : "0x57716946d6f82b100a838a36d74ee5977d2603a9b2a2625fb707f2c2c586915d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g3v0.json
index e8daa0060..c15247fdb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g3v0Filler.json",
-            "sourceHash" : "df2606a3d1a1ccae5b986523415a34ebfbe4d6d65dd741f74ba64045a5515fd8"
+            "sourceHash" : "a9fa7616030ecb310a13f30430258c9e075d5714ef0baf35eff7a83473aa9679"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x8675f555613f6d7f3d34104e9b4ecf40a4e8f9850346cce42a8d92f1c2ac8300",
-                    "mixHash" : "0xcb2e4be582e730914a854beac697a02dd0c87423af43920b5d25562067c23da3",
-                    "nonce" : "0x27bc32422badda7a",
+                    "hash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a012291eed04feb7fc2da5623b4c888b5801c3331a3b067aeb06f6d8cf62e15881a0992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973ba0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a0cb2e4be582e730914a854beac697a02dd0c87423af43920b5d25562067c23da38827bc32422badda7af90209f90206010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba03d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7fa0397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fdc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8675f555613f6d7f3d34104e9b4ecf40a4e8f9850346cce42a8d92f1c2ac8300",
+        "lastblockhash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_1000000_d0g3v0Filler.json",
+            "sourceHash" : "a9fa7616030ecb310a13f30430258c9e075d5714ef0baf35eff7a83473aa9679"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x712b2c406d6046cec93262ae49e8fd95ccd1e3153080a00d4b67edd800da6e7c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7f",
+                        "s" : "0x397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fd",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g0v0.json
index 86738c2d2..16947ce01 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g0v0Filler.json",
-            "sourceHash" : "5d350b0beb2a203083d00ac8ccf4ee31d0e511d0f8980a9ae1f0c5bdf1e66aea"
+            "sourceHash" : "46cd9058d1ff91eeafdb8d73c9cb631cd3a1516222f6bf206f8d30cd11c94330"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x02f850",
-                    "hash" : "0x94920ed5c04aad58dfa6d6fc41749cf8d72139b62055eb8bd175a2eabcaee01c",
-                    "mixHash" : "0xe69816e8959d9460d7e63a7bd3182fdcc953ad6f6842e06d90b368760de04eb3",
-                    "nonce" : "0xeca8be6459f174ca",
+                    "hash" : "0xa5199a363b418ad57f781a3dff5c843970ac4d392723c0145d4d5ab50eabf501",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0x22daa4ec618ff9864bc8ce0902c3f553084cec98cc8233f5fba9c0e52cf9bd05",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x66eb1e50d2f1346046043cc943e336e57b3ec87afc6cd3ee2628f0e5038b5e68",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x94920ed5c04aad58dfa6d6fc41749cf8d72139b62055eb8bd175a2eabcaee01c",
+        "lastblockhash" : "0xa5199a363b418ad57f781a3dff5c843970ac4d392723c0145d4d5ab50eabf501",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g0v0Filler.json",
+            "sourceHash" : "46cd9058d1ff91eeafdb8d73c9cb631cd3a1516222f6bf206f8d30cd11c94330"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x02f850",
+                    "hash" : "0x94621bde6548c90357ef6707f4215b2a8ff5499568b28618ab586727dd71c8b9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0x22daa4ec618ff9864bc8ce0902c3f553084cec98cc8233f5fba9c0e52cf9bd05",
+                    "stateRoot" : "0x7869a2ff973852aaa4516f702216aeb1fbbe8710e1f4a1b3a9631d8ca5f1baf0",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x66eb1e50d2f1346046043cc943e336e57b3ec87afc6cd3ee2628f0e5038b5e68",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x02f850",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4597258a524aa3f7e153d08c89fb1d83259fb095cb1c79c76d71674ffc3ab120",
+                        "s" : "0x0deaf6e96fd115c65b4230b49770579ea711e1dec54c388b566a7bcec0b68273",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x94621bde6548c90357ef6707f4215b2a8ff5499568b28618ab586727dd71c8b9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674eccfb4a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75f04b6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101846004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g1v0.json
index 5a82fcb90..d70d2c70c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g1v0Filler.json",
-            "sourceHash" : "35fb3861ae183584497ccc8c2dc4dbe815e10cb2b973ec18fc10c0d975a31d4b"
+            "sourceHash" : "ea16584f507b34b053cd1866bbc98b4571579745fe52b362ab362d33e2e18e71"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x31283b10016b5427255b0d9038f88d82c75d120d3a59146d758bdc2b191f15b3",
-                    "mixHash" : "0x8db96908ce32a5b98c5300d360c93fded86b51d275609686aaf4d7a3ce3c35d1",
-                    "nonce" : "0xda0c1a547e05f57e",
+                    "hash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0d8c9749e47005be4a5920a48bbd6d7eb95c1ea84d5352ce2fdc6a707d427bff4a03b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632a022140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083015f908203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90209f90206010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca05d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbda037457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a03c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x31283b10016b5427255b0d9038f88d82c75d120d3a59146d758bdc2b191f15b3",
+        "lastblockhash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g1v0Filler.json",
+            "sourceHash" : "ea16584f507b34b053cd1866bbc98b4571579745fe52b362ab362d33e2e18e71"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xa78b33a02431fc75a9044fc041a171fedf57d8582df272286211b88950d72c6d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbd",
+                        "s" : "0x37457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g2v0.json
index c0067e935..02ee9010a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g2v0Filler.json",
-            "sourceHash" : "c71ed8ec1cdf28283bf44fd1d714d6c9d8aa577982c00edb6cbd761779a88dec"
+            "sourceHash" : "3b49e3bd0021df5632fe9b56ad12cd9673ebb54b672cf48dbd388456203f8ace"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x4e4e636a3303aa723572b75987cefd69145d73dd18bb08f8c3a7d364cd36d6c1",
-                    "mixHash" : "0xaea58de8b79308d51c44a0cc070ef6d83a742fa75fd18073306f245293e67d7e",
-                    "nonce" : "0x8c94b30a26c2c82f",
+                    "hash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4e4e636a3303aa723572b75987cefd69145d73dd18bb08f8c3a7d364cd36d6c1",
+        "lastblockhash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g2v0Filler.json",
+            "sourceHash" : "3b49e3bd0021df5632fe9b56ad12cd9673ebb54b672cf48dbd388456203f8ace"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x1451b9b594f47447ee86ed8818ed277ca432e625731c2efbc7bf52b453712576",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc3b29699392e4dc158ae440a2daa70cbffc28a55bca3ae1adba82ac7c042bb4",
+                        "s" : "0x57716946d6f82b100a838a36d74ee5977d2603a9b2a2625fb707f2c2c586915d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a03c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g3v0.json
index 9f2fb40e5..0b4a77329 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g3v0Filler.json",
-            "sourceHash" : "41f41daa6c42f350d13cce6ed3c03ced2c319e5537fa139c58b2999d38d9a27f"
+            "sourceHash" : "a89f3498139b8a335a067a1e2a978cd7d924fe361be381b63ce0257728bae658"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x35b0ef86e86f2fc9ebbf9d07ee4238538f637bdde05c96d363238739a34cd456",
-                    "mixHash" : "0x4989d91988046a45fc86c853dfc7dd0f76e654c57872aab3cd49aa5ebd409789",
-                    "nonce" : "0x30497cb8093b4560",
+                    "hash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x35b0ef86e86f2fc9ebbf9d07ee4238538f637bdde05c96d363238739a34cd456",
+        "lastblockhash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_155000_d0g3v0Filler.json",
+            "sourceHash" : "a89f3498139b8a335a067a1e2a978cd7d924fe361be381b63ce0257728bae658"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x712b2c406d6046cec93262ae49e8fd95ccd1e3153080a00d4b67edd800da6e7c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7f",
+                        "s" : "0x397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fd",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g0v0.json
index b473ab510..57d32a88c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g0v0Filler.json",
-            "sourceHash" : "2593f4fed98a99f71b90b4860028adfbdd1715ecc5a9782e5f9eb771f3d909a0"
+            "sourceHash" : "4a3f7624086b1285e84afe092417f5bc2e2c7a613bf4212d71bb17b661de3aa0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xeaec",
-                    "hash" : "0xa00a13e2c20c1ffbb7b4a2175445ac3dbaf90fe8ad60bc1afad6da341885f30c",
-                    "mixHash" : "0xcd0ab058715b37c7218754ccf88a964011d957cbc2fa01104826b0d1f5a56c3c",
-                    "nonce" : "0x54fbde83be40e1e9",
+                    "hash" : "0x53366823487779291c2757772034850377b87b2b1bf04532cb8ce5c8ba5c1673",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xe9ca9d9ab4a96d3a27ed3547aba39e8de65e74ac39fad7fa811b675378364645",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6e5e33bed45dc632cc00d5d1b8bf31d2d91e2b413cb9472432276deb7f5d95ad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa00a13e2c20c1ffbb7b4a2175445ac3dbaf90fe8ad60bc1afad6da341885f30c",
+        "lastblockhash" : "0x53366823487779291c2757772034850377b87b2b1bf04532cb8ce5c8ba5c1673",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g0v0Filler.json",
+            "sourceHash" : "4a3f7624086b1285e84afe092417f5bc2e2c7a613bf4212d71bb17b661de3aa0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xeaec",
+                    "hash" : "0xe190f66870d90ae7a0b86b9bd1b91edd453e52a5b4453f6f142eba40014598d0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xe9ca9d9ab4a96d3a27ed3547aba39e8de65e74ac39fad7fa811b675378364645",
+                    "stateRoot" : "0x70c646508e996328b2fac80f933dd62211b306d37c53528b1a68e66ba328bdd4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6e5e33bed45dc632cc00d5d1b8bf31d2d91e2b413cb9472432276deb7f5d95ad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0xeaec",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x8b3b33d77e13dcee804813dd438df13b40d6c4422b7b1fe290fd17b63772e932",
+                        "s" : "0x5fece57ae7ce22b5a603ae4dda97c515ea0e66356e5ce3d3c2b40a1da674a823",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xe190f66870d90ae7a0b86b9bd1b91edd453e52a5b4453f6f142eba40014598d0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaede6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761121a",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g1v0.json
index 25119117b..f523a0f43 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g1v0Filler.json",
-            "sourceHash" : "0a3b6b443f879d64c9f55f925600e38aa2fda98376b413918666ad06c7f0661b"
+            "sourceHash" : "8bff66b5592f9b546a437241161903e0d245d16d12e29c3fbf8cf01ac5e4cb7b"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0xbdb48343b6173624caf85f0a1116437ee9464e5fd19f5e66b8792571bb6eb8e5",
-                    "mixHash" : "0xab9ded618a17f4a4f5937f5f2db6aae13f484eda25b258f1429c67c3e04a2f3a",
-                    "nonce" : "0xca026c91027f2f60",
+                    "hash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbdb48343b6173624caf85f0a1116437ee9464e5fd19f5e66b8792571bb6eb8e5",
+        "lastblockhash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g1v0Filler.json",
+            "sourceHash" : "8bff66b5592f9b546a437241161903e0d245d16d12e29c3fbf8cf01ac5e4cb7b"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xa78b33a02431fc75a9044fc041a171fedf57d8582df272286211b88950d72c6d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbd",
+                        "s" : "0x37457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g2v0.json
index a41f632e3..681efbbc0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g2v0Filler.json",
-            "sourceHash" : "9e874f9e1e81c3ad854fc3fa01c3c8a975b95956231c3a9494442f96617af509"
+            "sourceHash" : "9dfbb98f5662e82d6d534dfea43028983bdf9665cb96d860600d45e6940229a7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x3d1bf70a71a85c05f68632bc92b61d44de13386949d943165bd41322cb9604e0",
-                    "mixHash" : "0x9045b924f88e3c23e46d75be8638b3a214e8236533bcfee4675d3fe58c610289",
-                    "nonce" : "0xed52332846450496",
+                    "hash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3d1bf70a71a85c05f68632bc92b61d44de13386949d943165bd41322cb9604e0",
+        "lastblockhash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g2v0Filler.json",
+            "sourceHash" : "9dfbb98f5662e82d6d534dfea43028983bdf9665cb96d860600d45e6940229a7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x1451b9b594f47447ee86ed8818ed277ca432e625731c2efbc7bf52b453712576",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc3b29699392e4dc158ae440a2daa70cbffc28a55bca3ae1adba82ac7c042bb4",
+                        "s" : "0x57716946d6f82b100a838a36d74ee5977d2603a9b2a2625fb707f2c2c586915d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g3v0.json
index 1df0c1921..02d32e7a7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g3v0Filler.json",
-            "sourceHash" : "781110ba7482df24d81b7739afd6ebe364e30f109a914629ffae15a3f4b72a9f"
+            "sourceHash" : "874da55ec048800c99e7b78aa145fc88c0a4635b351a88d8d37cbd57436fe051"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x73466cb2187fd976dec0eec07b29be6b97d00109f963745d8f99a579f162de42",
-                    "mixHash" : "0x21f09329542ef56759cf23292d8778858727aa8a4c60ee9aa6af14ed44cfaa35",
-                    "nonce" : "0xdbc32ea539a9e645",
+                    "hash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x73466cb2187fd976dec0eec07b29be6b97d00109f963745d8f99a579f162de42",
+        "lastblockhash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_20500_d0g3v0Filler.json",
+            "sourceHash" : "874da55ec048800c99e7b78aa145fc88c0a4635b351a88d8d37cbd57436fe051"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x712b2c406d6046cec93262ae49e8fd95ccd1e3153080a00d4b67edd800da6e7c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7f",
+                        "s" : "0x397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fd",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101846004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g0v0.json
index a3311d7c3..8dbc486fa 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g0v0Filler.json",
-            "sourceHash" : "c83ecbd4c25528f7c920485d50abe681e7a7756e06e5b6f54b7ab76aef819de6"
+            "sourceHash" : "5ad8001422b0fe623e6c1a27db43ad34f6b999faedf4354adae44ece9738caa7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf0c8",
-                    "hash" : "0xcc0fda7dbcf2d6e4d4c129627dcd6fff17d0c5285354d4489b7539338fb53210",
-                    "mixHash" : "0x6398ea6b6873f84b01a5cda61142465707798e2269774c212fb49ea8f7248965",
-                    "nonce" : "0x487e0f9f495c120e",
+                    "hash" : "0x70f85f88b7b829f9974241f18f5e5d93fdfea5ebc8e6a19f71f1d9ef27c87f3b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xe85b100edfce258e1d30c911df1270d1a697d3013fa78cac93481858c4588141",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe2d0b190f83847fa107afd457499f3931452190d106faea79a555d2ceb52a457",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcc0fda7dbcf2d6e4d4c129627dcd6fff17d0c5285354d4489b7539338fb53210",
+        "lastblockhash" : "0x70f85f88b7b829f9974241f18f5e5d93fdfea5ebc8e6a19f71f1d9ef27c87f3b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g0v0Filler.json",
+            "sourceHash" : "5ad8001422b0fe623e6c1a27db43ad34f6b999faedf4354adae44ece9738caa7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf0c8",
+                    "hash" : "0x3337378fd38bf2eefaebdaa43c9513af58aaf74ed38eee0ea86abf8d8e812c62",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xe85b100edfce258e1d30c911df1270d1a697d3013fa78cac93481858c4588141",
+                    "stateRoot" : "0x7b0a3c53ef1b6972fb4be353d6a6ae2b2efd0770865cd0ab510e677f01b8a3dc",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe2d0b190f83847fa107afd457499f3931452190d106faea79a555d2ceb52a457",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0xf0c8",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x6b4b80d64d2bff140d080c60d3ed87cc69943ed59e8a08d65092fb668bea63",
+                        "s" : "0x20a4b7964a7dad3ae5877fcbf122dcd3f13a4eb36ca4cbc013b997023a6eae99",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3337378fd38bf2eefaebdaa43c9513af58aaf74ed38eee0ea86abf8d8e812c62",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf3c2",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7610c3e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g1v0.json
index 612e385e0..259e1760c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g1v0Filler.json",
-            "sourceHash" : "5934e874785d07d1515a581a4fa06beb1dc27e2ab086f5727008bbcfd1f099f8"
+            "sourceHash" : "6436c04b36b905e8ea9fd6c60edfaee908f1e5996368abb86fc1bb75bae96059"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x609a02bb471a01bb7445c1b8d09b641f194df3ecd4c111ab608b3a07c2e25013",
-                    "mixHash" : "0x2ad52e5c3aefb466245b5580b630fb2e49d20064a9cf457e5d319d251e898895",
-                    "nonce" : "0x601e597468090de8",
+                    "hash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x609a02bb471a01bb7445c1b8d09b641f194df3ecd4c111ab608b3a07c2e25013",
+        "lastblockhash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g1v0Filler.json",
+            "sourceHash" : "6436c04b36b905e8ea9fd6c60edfaee908f1e5996368abb86fc1bb75bae96059"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xa78b33a02431fc75a9044fc041a171fedf57d8582df272286211b88950d72c6d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbd",
+                        "s" : "0x37457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101846004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g2v0.json
index c8ab5350c..545e8adaa 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g2v0Filler.json",
-            "sourceHash" : "5ceca8887cc97ee092e5f1ee71b470a78742af8df1d30285a74ac917baf344ab"
+            "sourceHash" : "b0ab4459a57957bd52fea2996484673dfc22cf81f8a95885faa784e807540e60"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0xa809e8f2d3093ecc37333114104036e4bfc5f9f910c7ed6d89a8f970c0cbfe2c",
-                    "mixHash" : "0x8cc63f9aa55dfa4cd4369e3bbe509561cd310812741ed96b336c8b06dfedb050",
-                    "nonce" : "0xddbdb8eb3507d4d5",
+                    "hash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa809e8f2d3093ecc37333114104036e4bfc5f9f910c7ed6d89a8f970c0cbfe2c",
+        "lastblockhash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g2v0Filler.json",
+            "sourceHash" : "b0ab4459a57957bd52fea2996484673dfc22cf81f8a95885faa784e807540e60"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x1451b9b594f47447ee86ed8818ed277ca432e625731c2efbc7bf52b453712576",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a01451b9b594f47447ee86ed8818ed277ca432e625731c2efbc7bf52b453712576a0a0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378a0fd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008301adb08203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90209f9020601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca0bc3b29699392e4dc158ae440a2daa70cbffc28a55bca3ae1adba82ac7c042bb4a057716946d6f82b100a838a36d74ee5977d2603a9b2a2625fb707f2c2c586915dc0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc3b29699392e4dc158ae440a2daa70cbffc28a55bca3ae1adba82ac7c042bb4",
+                        "s" : "0x57716946d6f82b100a838a36d74ee5977d2603a9b2a2625fb707f2c2c586915d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101846004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g3v0.json
index bd3cc0bfd..87c568fa8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g3v0Filler.json",
-            "sourceHash" : "f57e51387c1520a712a57e209d628c87678e21a681380c53e98d184a579ce6d4"
+            "sourceHash" : "da1ceccfcc3255924c535bd076a27486e671c89a83a3af45f065305c97c5db27"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x7664e045e287329315590f5c62bbdfb56a0f880b3f2e5fddc3b8d258890f04a8",
-                    "mixHash" : "0xccf7a3b06d7dcc90349a3bba626d7fb7cf408dc0ebba9dcd7c595e79a38e51a6",
-                    "nonce" : "0x5fe8b33b2af07ff1",
+                    "hash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7664e045e287329315590f5c62bbdfb56a0f880b3f2e5fddc3b8d258890f04a8",
+        "lastblockhash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_22000_d0g3v0Filler.json",
+            "sourceHash" : "da1ceccfcc3255924c535bd076a27486e671c89a83a3af45f065305c97c5db27"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x712b2c406d6046cec93262ae49e8fd95ccd1e3153080a00d4b67edd800da6e7c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7f",
+                        "s" : "0x397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fd",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101846004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g0v0.json
index f9317aa2b..1e0124a5c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g0v0Filler.json",
-            "sourceHash" : "396b440a11b3983d3bcdd1df6aef7217fc00172e8a45b37730b5141cf3d1855d"
+            "sourceHash" : "0d1c6332bc8215345e5f1eeda7ec54505185b7fa2bb59266e05c2dea061adae3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xfc80",
-                    "hash" : "0xd50cbd2b47d9356eea871b4f7c32813f52deb336c4c347ed0ccabe11df69f5e6",
-                    "mixHash" : "0x82e674be7a50aa6b5e0c0f019202ebaff4d62e784b030a34b67d17cadc6c9473",
-                    "nonce" : "0x15cf5a6eec92b2a4",
+                    "hash" : "0x24f9ced81cd589ad56021bf7b974bd141d308a89277da36be5a2bd923fae9d38",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xc3d0ee8e00eda3cfad32dfa3158e348d8d099d4ddd233605da645fcd4dbe2149",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdd388e53c05995defd9dbe9f9444126ffe454322e6df4a5f43c383a29d6c3042",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90407f901f8a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06d076ba29b9b9309ceb4b2b3aca1a93bf9d20dbd1af66989391ce8caf9707e49a0dd388e53c05995defd9dbe9f9444126ffe454322e6df4a5f43c383a29d6c3042a0c3d0ee8e00eda3cfad32dfa3158e348d8d099d4ddd233605da645fcd4dbe2149b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082fc808203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90208f90205010182fc8094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba0aeb066b60eb9f01646578fe4d59ae488682b7adc4422f8aece55c5364a453aeaa04ca090ef0f2cc346d254ff3c48415f7951f703fc1c23edbba79a1e7d1b2b615ac0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a03c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xd50cbd2b47d9356eea871b4f7c32813f52deb336c4c347ed0ccabe11df69f5e6",
+        "lastblockhash" : "0x24f9ced81cd589ad56021bf7b974bd141d308a89277da36be5a2bd923fae9d38",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g0v0Filler.json",
+            "sourceHash" : "0d1c6332bc8215345e5f1eeda7ec54505185b7fa2bb59266e05c2dea061adae3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xfc80",
+                    "hash" : "0x615f62c74cab3d4072f6681971b76f29702a453d3bb9dcced3b845e721d40ccc",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xc3d0ee8e00eda3cfad32dfa3158e348d8d099d4ddd233605da645fcd4dbe2149",
+                    "stateRoot" : "0x1a4f8bda9b6823e8744323e76f59647e00c64746c4d87542b9acfdcfb39181db",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdd388e53c05995defd9dbe9f9444126ffe454322e6df4a5f43c383a29d6c3042",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0xfc80",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xaeb066b60eb9f01646578fe4d59ae488682b7adc4422f8aece55c5364a453aea",
+                        "s" : "0x4ca090ef0f2cc346d254ff3c48415f7951f703fc1c23edbba79a1e7d1b2b615a",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x615f62c74cab3d4072f6681971b76f29702a453d3bb9dcced3b845e721d40ccc",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaff7a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7610086",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g1v0.json
index b23fe4a07..bcdbd50dd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g1v0Filler.json",
-            "sourceHash" : "a83b02d11e130763349329f33e6c3ab2401bd4d1fe1f817bc1f4528c352b4701"
+            "sourceHash" : "967772492d77f4abe28ca3a0971de72bd9209940c15b97c4dd87ec3e49a0b4d3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x5dae05f6c62bedf8fe8102cf3872090065fe385742d29270d7bc6e5300226488",
-                    "mixHash" : "0x193abd0b5bea9939f86f5a474a5ef406b79eddbfd7aa9634e5f3462bb8a97a90",
-                    "nonce" : "0x88b81f1c7b772176",
+                    "hash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5dae05f6c62bedf8fe8102cf3872090065fe385742d29270d7bc6e5300226488",
+        "lastblockhash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g1v0Filler.json",
+            "sourceHash" : "967772492d77f4abe28ca3a0971de72bd9209940c15b97c4dd87ec3e49a0b4d3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xa78b33a02431fc75a9044fc041a171fedf57d8582df272286211b88950d72c6d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0a78b33a02431fc75a9044fc041a171fedf57d8582df272286211b88950d72c6da03b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632a022140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083015f908203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90209f90206010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca05d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbda037457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbd",
+                        "s" : "0x37457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101846004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g2v0.json
index ed733a4be..def60e839 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g2v0Filler.json",
-            "sourceHash" : "acac00e96af0a39a05ee8ea6b824485140571d203bc2aa60bb9e1d066934715b"
+            "sourceHash" : "cdfa6c2f572082fcc10ec7e2148f8df9fc7287a0a430067127c81e3bead4138a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x6e655b3d1aaa9ac2699ee77c488a16ba95483bd14e3768e78916d9decce28c83",
-                    "mixHash" : "0x614a160c461aa813a6f7fdb79029fd13029058e5d36a9e5cc3d7e76e7d6d767c",
-                    "nonce" : "0xefbb174c7900b632",
+                    "hash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6e655b3d1aaa9ac2699ee77c488a16ba95483bd14e3768e78916d9decce28c83",
+        "lastblockhash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g2v0Filler.json",
+            "sourceHash" : "cdfa6c2f572082fcc10ec7e2148f8df9fc7287a0a430067127c81e3bead4138a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x1451b9b594f47447ee86ed8818ed277ca432e625731c2efbc7bf52b453712576",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc3b29699392e4dc158ae440a2daa70cbffc28a55bca3ae1adba82ac7c042bb4",
+                        "s" : "0x57716946d6f82b100a838a36d74ee5977d2603a9b2a2625fb707f2c2c586915d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g3v0.json
index 4fe8e5332..8d97145d9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g3v0Filler.json",
-            "sourceHash" : "6a819fc1c9ab7fa9dc2fa4b411271a6810a21300184e800e5f04242653794398"
+            "sourceHash" : "3f6da0bc48bed15511a3b04462fb33c36f1663f82aa678db1bdc50dc5030f245"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x040048cb59b19a7826135064082dcb08caa26fc5fc05a8cdc4c8fef3739079de",
-                    "mixHash" : "0x076075f824fc600851da8a2ef6ac477e1a8b4626b59c3233ab2c892ee552b77a",
-                    "nonce" : "0x5f7d2e0577b8e60f",
+                    "hash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x040048cb59b19a7826135064082dcb08caa26fc5fc05a8cdc4c8fef3739079de",
+        "lastblockhash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_25000_d0g3v0Filler.json",
+            "sourceHash" : "3f6da0bc48bed15511a3b04462fb33c36f1663f82aa678db1bdc50dc5030f245"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x712b2c406d6046cec93262ae49e8fd95ccd1e3153080a00d4b67edd800da6e7c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7f",
+                        "s" : "0x397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fd",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g0v0.json
index 66b66a59b..0f1f449f1 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g0v0Filler.json",
-            "sourceHash" : "efc6e6db859f267a2d0cd3d8bf189a8911f25e91b3cb8f62cb61c0dd54416bda"
+            "sourceHash" : "28a88e15de4c6723d7de750a01fb4b6bd5e7f10b50b9b41cc348d46458e6e837"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x012390",
-                    "hash" : "0x9f5f96e9602f18c841c17280deeec58bcdbd4f649d08b16751adeb3c90ec3beb",
-                    "mixHash" : "0x6ba100ec3da898f7c2a5dafbafc957f1d98f97f589109f02a1e88b1b8efe3116",
-                    "nonce" : "0x6d295bf3f848d79e",
+                    "hash" : "0x014b0056298c765c4055f89bbdfc6364f8f6741b439e918fa0718737f6178f5f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xd9fa476cad77e03500652d7f1baee89bb384f256ecbdfc5b10b92317de37bb29",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf6ffbe6ee8c25bc3a6c09c0459366038073a9c7b8ae58a8f601c751b65ccc35f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a04e2c84b26c34e8118d8d9dd4d59b863b7742abd9c07ff448a981936d734b7d7ba0f6ffbe6ee8c25bc3a6c09c0459366038073a9c7b8ae58a8f601c751b65ccc35fa0d9fa476cad77e03500652d7f1baee89bb384f256ecbdfc5b10b92317de37bb29b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e100830123908203e880a06ba100ec3da898f7c2a5dafbafc957f1d98f97f589109f02a1e88b1b8efe3116886d295bf3f848d79ef90209f9020601018301239094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca034020111229cefcbb75069095888213fce3de5a50f9e447372e992d369001098a007d03295a709abcaddc43352971c098c2e174ab9cf4181c71b3d389483827f72c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9f5f96e9602f18c841c17280deeec58bcdbd4f649d08b16751adeb3c90ec3beb",
+        "lastblockhash" : "0x014b0056298c765c4055f89bbdfc6364f8f6741b439e918fa0718737f6178f5f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g0v0Filler.json",
+            "sourceHash" : "28a88e15de4c6723d7de750a01fb4b6bd5e7f10b50b9b41cc348d46458e6e837"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x012390",
+                    "hash" : "0xd51c080453158f6d8a4ae449c2dee9ba3ba2b44c8122a403410ee4ae449a1899",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xd9fa476cad77e03500652d7f1baee89bb384f256ecbdfc5b10b92317de37bb29",
+                    "stateRoot" : "0xa47f3fe89cf9176a6cd6d125a5fc0749b194e433541ee839614dc0b9e0f197fd",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf6ffbe6ee8c25bc3a6c09c0459366038073a9c7b8ae58a8f601c751b65ccc35f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x012390",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x34020111229cefcbb75069095888213fce3de5a50f9e447372e992d369001098",
+                        "s" : "0x07d03295a709abcaddc43352971c098c2e174ab9cf4181c71b3d389483827f72",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a03c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xd51c080453158f6d8a4ae449c2dee9ba3ba2b44c8122a403410ee4ae449a1899",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb268a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760d976",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g1v0.json
index c479008f2..47d5cba33 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g1v0Filler.json",
-            "sourceHash" : "b45a2c834158ace8f343d5897bedcf50b1b92cff4af94ac9c66f2a130d44cd42"
+            "sourceHash" : "53be8682adc86d90054401d251c715bc3ac6d94d7e582caabff42cd9d0831337"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x19cb4a596985ce69e285d0fbf38207e20e40054b1704da90b947e7d329519b65",
-                    "mixHash" : "0xb0e2f6621fee23bbff3c0b2225c0d76b4c483e2b859816891e8d70506e473e51",
-                    "nonce" : "0x9a7f9cb77fa4bd63",
+                    "hash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0d8c9749e47005be4a5920a48bbd6d7eb95c1ea84d5352ce2fdc6a707d427bff4a03b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632a022140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083015f908203e880a0b0e2f6621fee23bbff3c0b2225c0d76b4c483e2b859816891e8d70506e473e51889a7f9cb77fa4bd63f90209f90206010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca05d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbda037457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x19cb4a596985ce69e285d0fbf38207e20e40054b1704da90b947e7d329519b65",
+        "lastblockhash" : "0x1b6a61c295b3bce0633c50aa0e4a1477bfb1603ad012262e3ebd9c6b6dbd0669",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g1v0Filler.json",
+            "sourceHash" : "53be8682adc86d90054401d251c715bc3ac6d94d7e582caabff42cd9d0831337"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xa78b33a02431fc75a9044fc041a171fedf57d8582df272286211b88950d72c6d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3b033a0ecb8c82946a3c83810f68dc19f36a3b8ddea8c50f8e032da406e30632",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5d7791c2c9d618a1614cb09ff8bde0c7573c9632611d609a4b6c88de1e1abdbd",
+                        "s" : "0x37457e745a1506f3092b1b52982c5cd1a86c0f980ef8d3cae4a94bb2c8bd7781",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd23d50245cd0c3d71abba2dd168ea2af8627394e2ce4a9ba4da71f5c53c35359",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g2v0.json
index 48370f572..51d02bcf4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g2v0Filler.json",
-            "sourceHash" : "b6a36b7da3d1e4868c22e192277e4c8bb36f5aa294e078d057adfe8361899e55"
+            "sourceHash" : "913c9a8e2c0d1a6fadefb41b94cbd0f660cb3b13db7f1947afab9748ac9ceb2e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x350a1b46126c33af22ceabdb9d25a3e529dc586905b09ef8d3c72be305ae5af8",
-                    "mixHash" : "0x13d00285010e4ac3cc9dc0eaa4262c6f2e3c4b2a8bdef62c61e375ae2c213eee",
-                    "nonce" : "0xf8777ee04ac70e8a",
+                    "hash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x350a1b46126c33af22ceabdb9d25a3e529dc586905b09ef8d3c72be305ae5af8",
+        "lastblockhash" : "0xce760226aa682d63b1e609781c11761c183fb0d42778008382797d870039fc77",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g2v0Filler.json",
+            "sourceHash" : "913c9a8e2c0d1a6fadefb41b94cbd0f660cb3b13db7f1947afab9748ac9ceb2e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x1451b9b594f47447ee86ed8818ed277ca432e625731c2efbc7bf52b453712576",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0e9e440d34b5aac57dabc51502d504acdbf9f919a076e58d263ea8ad8553378",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc3b29699392e4dc158ae440a2daa70cbffc28a55bca3ae1adba82ac7c042bb4",
+                        "s" : "0x57716946d6f82b100a838a36d74ee5977d2603a9b2a2625fb707f2c2c586915d",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8e66c4eab4c30a79c0e04a4308301a487189525b1e46864719f73fd1c66b5e50",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g3v0.json
index 855474c67..44fe5c575 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_0_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g3v0Filler.json",
-            "sourceHash" : "d94a2281ed9ea318b9373ade4c04c932f65b4318e55b9a12ea7d0bf5235d254a"
+            "sourceHash" : "aee9b0279adedcfea215052847b5fa978653d66b7f601ed854d9d06158c0ede5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x2b7aa29a3255f01cbb480d8fd49c5ce3138c6c33f27b1648ed1bff95eb95335d",
-                    "mixHash" : "0x8d34ef894b8da70af4112aced4b8a4407171dbc7f8296d35b6004e1f13051648",
-                    "nonce" : "0x7a0e41e3ac2673cf",
+                    "hash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a012291eed04feb7fc2da5623b4c888b5801c3331a3b067aeb06f6d8cf62e15881a0992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973ba0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90209f90206010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba03d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7fa0397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fdc0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2b7aa29a3255f01cbb480d8fd49c5ce3138c6c33f27b1648ed1bff95eb95335d",
+        "lastblockhash" : "0x7779f345a3e22951350f7d97c18f64ddef1e36bc4b2ae2ddca004e909c9088cf",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_0_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_0_35000_d0g3v0Filler.json",
+            "sourceHash" : "aee9b0279adedcfea215052847b5fa978653d66b7f601ed854d9d06158c0ede5"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x712b2c406d6046cec93262ae49e8fd95ccd1e3153080a00d4b67edd800da6e7c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90409f901f9a0c829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0712b2c406d6046cec93262ae49e8fd95ccd1e3153080a00d4b67edd800da6e7ca0992a54fef1becfc6aefd3b90e3cec6c788da09df3682fb6a1a1db999bfc7973ba0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90209f90206010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b901a430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba03d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7fa0397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fdc0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000160000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d056fcbf5bdc7380d8439f1ebb4ae949af69e60afd9fb420a94bbe1c9a5bf7f",
+                        "s" : "0x397f444c125b479b35bfebef978e94a6247810be4b157d019acef1fe1d0115fd",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xc829be132b3daaf5126ed23f419a4415317f9ec9b441744c2206d5c93f81f268",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x3c9ed0758002ea9d70ce06bc16aac6d2c9f69fd9cb0996dcd73eecfcdc3c75eb",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e327565922baadecbc9f6b88049390afb7b174feeeeadd07c03884bbb8fa631",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101846004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g0v0.json
index 80d0647fb..f0b154f56 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g0v0Filler.json",
-            "sourceHash" : "69c5936563237eea50f19d34b6ce1e1d8423b03fdb8e533f4cfd41588ab27efe"
+            "sourceHash" : "14d3532922a79a5f8cb4e46abaac3d59a5fad0c359015a7f067ec215088467fb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x0b554e",
-                    "hash" : "0x6fe9a41c2aa1d0325a07292375724397be0e71a6b11f276d7047c6f5a6aa1938",
-                    "mixHash" : "0x41e4afb1d44d424f9fb53e320e9ad48891e62659dfcf2c7349f46d761eb28023",
-                    "nonce" : "0xfe08d7227dee1612",
+                    "hash" : "0x3724f05c2807e6881a25b6c16b222b617a6360daa76807e07bba138db2ec9e67",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x3556590d36a868cddabadffce132c5d68e4b501b3d658614aaa85ca7c783c5a7",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x04a89935a6bd4271485ace3d42fda8f9bfbea5065bd5afadcce10c93e3977fb0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6fe9a41c2aa1d0325a07292375724397be0e71a6b11f276d7047c6f5a6aa1938",
+        "lastblockhash" : "0x3724f05c2807e6881a25b6c16b222b617a6360daa76807e07bba138db2ec9e67",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g0v0Filler.json",
+            "sourceHash" : "14d3532922a79a5f8cb4e46abaac3d59a5fad0c359015a7f067ec215088467fb"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x0b554e",
+                    "hash" : "0x4f50dc6ae57dd60cb2f5c04d74b9ff4e51da86e25a50d9a12e3901eae814b239",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x3556590d36a868cddabadffce132c5d68e4b501b3d658614aaa85ca7c783c5a7",
+                    "stateRoot" : "0xa0b116e0bce6aa749bdcb978c2e9d120b90544110d72eefe2ef1975518f283e4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x04a89935a6bd4271485ace3d42fda8f9bfbea5065bd5afadcce10c93e3977fb0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0fde18",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9086317aeee5a5cdac595ad363eae94ea67a0fda6fe1e8b4b3e9d74a8f8bffdb",
+                        "s" : "0x0c020af68538ea655de09f2123a1fe84432ec9f7a96ac49a9496857eea6065f5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4f50dc6ae57dd60cb2f5c04d74b9ff4e51da86e25a50d9a12e3901eae814b239",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ed55848",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a756a7b8",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xbc36789e7a1e281436464229828f817d6612f7b477d66591ff96a9e064bcc98a"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g1v0.json
index f330f4d63..14e8051b5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g1v0Filler.json",
-            "sourceHash" : "2d71dfe6fb4e8e2da14bc3ec51934830d1363cc9432e7cbb1a021de45c905b1b"
+            "sourceHash" : "e57273f427a0c459ddd858a6167e9829e6acdc2465c7a1124d329fd1f7998a06"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x3af08b36e3260b6d0c88bfdd3c77e05215a9f62be0e29ccad84b7499eae9fd7e",
-                    "mixHash" : "0xfc40898a85bbec4f892c3eee43097cd1c1742e0908c1236b4bd1c34ee28e2bd9",
-                    "nonce" : "0x672e569a330bf14e",
+                    "hash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0fcf39668e800b6e78362f7db66cbdad1d03a0beddfcba724130b271fd8026d2ea09e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22da022140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083015f908203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f90226010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9701000000000000000000000000000000000000000000000000000000000000001ba02c589cfead49893491fbe5d82a33402c366c905d77f160a5f01b2c08aa73b2c0a049202fc3f90d64bdfcdca492e1c4c294239e24244769d0296c9b7dba21eb9b7bc0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3af08b36e3260b6d0c88bfdd3c77e05215a9f62be0e29ccad84b7499eae9fd7e",
+        "lastblockhash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g1v0Filler.json",
+            "sourceHash" : "e57273f427a0c459ddd858a6167e9829e6acdc2465c7a1124d329fd1f7998a06"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2c589cfead49893491fbe5d82a33402c366c905d77f160a5f01b2c08aa73b2c0",
+                        "s" : "0x49202fc3f90d64bdfcdca492e1c4c294239e24244769d0296c9b7dba21eb9b7b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g2v0.json
index 9b7af1354..64691ea2e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g2v0Filler.json",
-            "sourceHash" : "4f2657b78fc43a36678404b0e0f90402b4e72b5a28577d7e623f605249d75b49"
+            "sourceHash" : "fd6ee17d8a82cc2c35de61224db2ecea58975ad10210fd23a61140afed2bb8e9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x9f130deedf9c35c46c0eeb229c85cbb45b1fe11e183de244d0a8408cbd81d53a",
-                    "mixHash" : "0x9b7e66bccf086e3480000161943868a7748dfbaa30d95a859c919a5d8ae21487",
-                    "nonce" : "0x76eb9688df7d5c23",
+                    "hash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9f130deedf9c35c46c0eeb229c85cbb45b1fe11e183de244d0a8408cbd81d53a",
+        "lastblockhash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g2v0Filler.json",
+            "sourceHash" : "fd6ee17d8a82cc2c35de61224db2ecea58975ad10210fd23a61140afed2bb8e9"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d02bf4e787e1ea6225ff3c295e1d2c680489bbcbe88908aab279c15e136bdc1",
+                        "s" : "0x4aa72430be82743a7c35c41e69a957e51e7ffbfd35edaff76257ed9f454955b9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g3v0.json
index 756732eaa..531766efa 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g3v0Filler.json",
-            "sourceHash" : "d5c9ad6e9e41ebdf68da34b4f0cd5eb14cd45ca5d1b5e459f835d228e7853503"
+            "sourceHash" : "905761a656e9db05a726e1a7cc82f5a6f3b6bf49c7ceb1098d70cbfa8c29d12a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x0f23f2e239a7edaf23c8167ad13eb678b5e8042e0052fd524cda63dff56d6870",
-                    "mixHash" : "0x513f3defd224a3fefcfdc616e7ebedf5da6d024dd817178cc87b61c3e5024b3b",
-                    "nonce" : "0x742cf45b6fd293ea",
+                    "hash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0add3e81e847ee37b3341aea999590e01f03f1b6e98584e12c40a80617d709a50a0664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9a0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f90226010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9701000000000000000000000000000000000000000000000000000000000000001ca0e8d93ad1bd1e9cfe4d4ed987c7599dd2fc5e8fa15d71ac7ed4c472920d31e2fba05faa6f1e0bfda79a5e46d8f35ca83e8ee80ceb48513f4894763f0faa25629bf8c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0f23f2e239a7edaf23c8167ad13eb678b5e8042e0052fd524cda63dff56d6870",
+        "lastblockhash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_1000000_d0g3v0Filler.json",
+            "sourceHash" : "905761a656e9db05a726e1a7cc82f5a6f3b6bf49c7ceb1098d70cbfa8c29d12a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xe8d93ad1bd1e9cfe4d4ed987c7599dd2fc5e8fa15d71ac7ed4c472920d31e2fb",
+                        "s" : "0x5faa6f1e0bfda79a5e46d8f35ca83e8ee80ceb48513f4894763f0faa25629bf8",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g0v0.json
index 9946a01ce..d3dedf66d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g0v0Filler.json",
-            "sourceHash" : "de6198eace87d7cd9a2e0e0bb1fc1d6fdaffcd567160102e4069bf29a904c420"
+            "sourceHash" : "a5a6ca16ec33da8c7c078cfe09387a8045595e059f93e8ffcdc907d865817ebc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x02f950",
-                    "hash" : "0x78261daaba8f91f0405a9cd1fe1089b1d94b4433f513d53e363535647b76b77f",
-                    "mixHash" : "0x2151724bc6ab8ea9816580e3481bac1972100d6fe623ea2d0b36611fe3015738",
-                    "nonce" : "0x4231098f59c9ee21",
+                    "hash" : "0x8029c84680f7058906ece9eba3a210dac3742068d94f592f377aa4a37ffff323",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x39569878ca1eff6cef7cfe543ac1f7efc667632562e408f9d334589a41ba3ce1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0dde86af8f4130420ebcc8237bc8555073b5876a0b7e0ce8258439aa5f712a97",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x78261daaba8f91f0405a9cd1fe1089b1d94b4433f513d53e363535647b76b77f",
+        "lastblockhash" : "0x8029c84680f7058906ece9eba3a210dac3742068d94f592f377aa4a37ffff323",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g0v0Filler.json",
+            "sourceHash" : "a5a6ca16ec33da8c7c078cfe09387a8045595e059f93e8ffcdc907d865817ebc"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x02f950",
+                    "hash" : "0x30e6805a98efddaf25eb6952a14df7653bc165a8018280ac3d1eca62cc01a145",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x39569878ca1eff6cef7cfe543ac1f7efc667632562e408f9d334589a41ba3ce1",
+                    "stateRoot" : "0x69657ef5f92dfa95e2feb5ffd2f43d3483729360eeb4671aa574bc7d9580c839",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0dde86af8f4130420ebcc8237bc8555073b5876a0b7e0ce8258439aa5f712a97",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a069657ef5f92dfa95e2feb5ffd2f43d3483729360eeb4671aa574bc7d9580c839a00dde86af8f4130420ebcc8237bc8555073b5876a0b7e0ce8258439aa5f712a97a039569878ca1eff6cef7cfe543ac1f7efc667632562e408f9d334589a41ba3ce1b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008302f9508203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f9022601018302f95094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9701000000000000000000000000000000000000000000000000000000000000001ba09f012c44765a5c29d88b8dea699f901c88bf969f60946b0dddf7741715fdc5e9a05e82d7c821c92b99a70f2af7301cfcaa2127712348551f52200ff640ad1bed3cc0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x02f950",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9f012c44765a5c29d88b8dea699f901c88bf969f60946b0dddf7741715fdc5e9",
+                        "s" : "0x5e82d7c821c92b99a70f2af7301cfcaa2127712348551f52200ff640ad1bed3c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x30e6805a98efddaf25eb6952a14df7653bc165a8018280ac3d1eca62cc01a145",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674eccfc4a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75f03b6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g1v0.json
index 7a654094d..1e4ce29cd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g1v0Filler.json",
-            "sourceHash" : "dfa67b160c2644ab32d7b0758414d490752e60b5121a9c4f7f8d263d6f345557"
+            "sourceHash" : "f32dc97e5c3b33731e20e4f4bd55b6b7dab3df3f34e2bc4091396b7d76fb2913"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x3c8cdf1e0bd555b37e66533d7a52cea72e06f08b28b1ac37256ee397f28b5b46",
-                    "mixHash" : "0xfaf90dce258391323c37b6af8ac5a3de1bc79d6595005286b983b89d469641a6",
-                    "nonce" : "0x2dbe949c7626ee09",
+                    "hash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3c8cdf1e0bd555b37e66533d7a52cea72e06f08b28b1ac37256ee397f28b5b46",
+        "lastblockhash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g1v0Filler.json",
+            "sourceHash" : "f32dc97e5c3b33731e20e4f4bd55b6b7dab3df3f34e2bc4091396b7d76fb2913"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2c589cfead49893491fbe5d82a33402c366c905d77f160a5f01b2c08aa73b2c0",
+                        "s" : "0x49202fc3f90d64bdfcdca492e1c4c294239e24244769d0296c9b7dba21eb9b7b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g2v0.json
index e4344992b..fea12b733 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g2v0Filler.json",
-            "sourceHash" : "404af4b8fad9ff26a4a96cf6c32bbf251c13ade76c1f65dc455d8a18fb509f95"
+            "sourceHash" : "091f5d78892bdea890e1fb91fa541fcc6e0dfe1a95e6e5aac6cfe198fd92ede9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x72d68458e3745536ebbc244a80cbf47e99d01ac76efdbe35d99cb2a5b740f857",
-                    "mixHash" : "0xb733b5f8baa7aca48ef699b9caddbfff73dfa8598ce410ca3ff7931f76d8616d",
-                    "nonce" : "0x02a0735c3a44bd4a",
+                    "hash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x72d68458e3745536ebbc244a80cbf47e99d01ac76efdbe35d99cb2a5b740f857",
+        "lastblockhash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g2v0Filler.json",
+            "sourceHash" : "091f5d78892bdea890e1fb91fa541fcc6e0dfe1a95e6e5aac6cfe198fd92ede9"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d02bf4e787e1ea6225ff3c295e1d2c680489bbcbe88908aab279c15e136bdc1",
+                        "s" : "0x4aa72430be82743a7c35c41e69a957e51e7ffbfd35edaff76257ed9f454955b9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g3v0.json
index a487902c4..d6127382d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g3v0Filler.json",
-            "sourceHash" : "dec13408d0d39845ee5a177668330a9fea3f3c72797bbac9c1e3f6b1a2bd2abe"
+            "sourceHash" : "fcf4360ef4de9d072b530822d8b1be8d6ac5c00199ec7584349414ae880b034e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xc1e893fe678f943b96b4167dea3de9691db0854ce3c68776d89e8c123944e432",
-                    "mixHash" : "0x59d50717652da39b1ce69fd355a1dfd0527e6616f961d290ca89d6923a22994a",
-                    "nonce" : "0xa8695b3e3ac8cddf",
+                    "hash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc1e893fe678f943b96b4167dea3de9691db0854ce3c68776d89e8c123944e432",
+        "lastblockhash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_155000_d0g3v0Filler.json",
+            "sourceHash" : "fcf4360ef4de9d072b530822d8b1be8d6ac5c00199ec7584349414ae880b034e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xe8d93ad1bd1e9cfe4d4ed987c7599dd2fc5e8fa15d71ac7ed4c472920d31e2fb",
+                        "s" : "0x5faa6f1e0bfda79a5e46d8f35ca83e8ee80ceb48513f4894763f0faa25629bf8",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g0v0.json
index dd586ee8c..8a2d05888 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g0v0Filler.json",
-            "sourceHash" : "3402d79a520bf86498dad7e9504996dbbff0e71a276e4164e96290f5c91f7f9a"
+            "sourceHash" : "3a6dcb98eafe1ac182c18506ebba446e1b883fe75bb177de8562a0915d106675"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xebec",
-                    "hash" : "0xc8dcdbe1151a10cd9e4babd7529cd1918e6c9d0e2cfe7d8236274db5dea4ad6b",
-                    "mixHash" : "0x967d0500f49a522bf4591e143d3f1cb12bfadeb71e4d00aff02c5821cc89ba8f",
-                    "nonce" : "0xa5f750990fb75d8a",
+                    "hash" : "0xc1d335c696520eb4a44a6e514dd7f590f6b424349ff3e7229c8b24083eacf0a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xc9ef6d404b7f67fb59d5251693ed03c9b9cc1becdc2ec61a42557d74461466b2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdda3b27845328a2c7417d2637a27f07acbc9e7faf013328f034f947199665b1d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc8dcdbe1151a10cd9e4babd7529cd1918e6c9d0e2cfe7d8236274db5dea4ad6b",
+        "lastblockhash" : "0xc1d335c696520eb4a44a6e514dd7f590f6b424349ff3e7229c8b24083eacf0a6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g0v0Filler.json",
+            "sourceHash" : "3a6dcb98eafe1ac182c18506ebba446e1b883fe75bb177de8562a0915d106675"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xebec",
+                    "hash" : "0x94389e7aa9560835e1ea4ac2cb14edf502a015454a28a48c1ab059ca3d7bee53",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xc9ef6d404b7f67fb59d5251693ed03c9b9cc1becdc2ec61a42557d74461466b2",
+                    "stateRoot" : "0x88697af7fbcad9eeee3a07e858728da35dc31c911ecea4b9880c54befd61ba9d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdda3b27845328a2c7417d2637a27f07acbc9e7faf013328f034f947199665b1d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xebec",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa26642b72a697ac28821cfe098934169746dc6521c6585d295f0be0379c5b984",
+                        "s" : "0x65be74a826771f367db6f58d9deb9a2710f940781f695a7e024465651fa94c55",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x94389e7aa9560835e1ea4ac2cb14edf502a015454a28a48c1ab059ca3d7bee53",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaeee6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761111a",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g1v0.json
index cc1f101ce..9fa083166 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g1v0Filler.json",
-            "sourceHash" : "42ca09146747d8e5eb9eca817a095bdb1a0d16b7436c94973d913ab68736986f"
+            "sourceHash" : "83d050cc3b03c77c46323f31d34a7c2de22c69cc43de59cf375bf12b7fa63432"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x0b94f3673e973a9861e89fdfbdd19ff1ec952bf4bb97c40fa10628ca13e2e83b",
-                    "mixHash" : "0x0fc46d3b81a225b99de4285a177c8319b3d5ebe3114eb6e0c88a1da514a90781",
-                    "nonce" : "0xb1e60d463cb1863d",
+                    "hash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0b94f3673e973a9861e89fdfbdd19ff1ec952bf4bb97c40fa10628ca13e2e83b",
+        "lastblockhash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g1v0Filler.json",
+            "sourceHash" : "83d050cc3b03c77c46323f31d34a7c2de22c69cc43de59cf375bf12b7fa63432"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2c589cfead49893491fbe5d82a33402c366c905d77f160a5f01b2c08aa73b2c0",
+                        "s" : "0x49202fc3f90d64bdfcdca492e1c4c294239e24244769d0296c9b7dba21eb9b7b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g2v0.json
index eeae16281..675670d3f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g2v0Filler.json",
-            "sourceHash" : "08d2c9219eb14d545a3bb26a652ded6a5fc34186ee0e8a1157d95f82da3adbab"
+            "sourceHash" : "74d463fd849685dd1b3788bacf522359a032f8c80d9ae20bf6091ed2ae0803a4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0xf6ed8a8ddc9c4353d080324339513a725d4a414f013838354255b0abf61276ad",
-                    "mixHash" : "0x53de2bef9a28cea9898167e1a32ebf0d25025accbc114b76f0755c137bfc3939",
-                    "nonce" : "0xe40f8226b0e1f618",
+                    "hash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0a658d907b874be374bc1a21e2a042bdc752af6cc7dc55ebe207a9517af7e2819a00eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0a0fd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008301adb08203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f9022601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9701000000000000000000000000000000000000000000000000000000000000001ba03d02bf4e787e1ea6225ff3c295e1d2c680489bbcbe88908aab279c15e136bdc1a04aa72430be82743a7c35c41e69a957e51e7ffbfd35edaff76257ed9f454955b9c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf6ed8a8ddc9c4353d080324339513a725d4a414f013838354255b0abf61276ad",
+        "lastblockhash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g2v0Filler.json",
+            "sourceHash" : "74d463fd849685dd1b3788bacf522359a032f8c80d9ae20bf6091ed2ae0803a4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d02bf4e787e1ea6225ff3c295e1d2c680489bbcbe88908aab279c15e136bdc1",
+                        "s" : "0x4aa72430be82743a7c35c41e69a957e51e7ffbfd35edaff76257ed9f454955b9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g3v0.json
index 11f983b08..3ddc69a09 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g3v0Filler.json",
-            "sourceHash" : "7443131c39f81334d8bd757b98191b5ee3faadd74a4b18819fa454d4ca07edc5"
+            "sourceHash" : "a5ec65bbdfb35d56102bb5c22c5abdb717636527df0410002cfd6b26ff579a99"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xd67e72f0e36fb05272e40a8a0c68860c98a273be4d1b5442294512a40d895826",
-                    "mixHash" : "0x0d5520d778677118888fb0a9af42c058b10b4f91e92e0a9c79b63cefd9d884a6",
-                    "nonce" : "0x8929743557a3b2f2",
+                    "hash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xd67e72f0e36fb05272e40a8a0c68860c98a273be4d1b5442294512a40d895826",
+        "lastblockhash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_20500_d0g3v0Filler.json",
+            "sourceHash" : "a5ec65bbdfb35d56102bb5c22c5abdb717636527df0410002cfd6b26ff579a99"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xe8d93ad1bd1e9cfe4d4ed987c7599dd2fc5e8fa15d71ac7ed4c472920d31e2fb",
+                        "s" : "0x5faa6f1e0bfda79a5e46d8f35ca83e8ee80ceb48513f4894763f0faa25629bf8",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g0v0.json
index ae1056103..3be76c3a6 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g0v0Filler.json",
-            "sourceHash" : "e41c2159ad3d83eef5676f5e8c1ac339b508eafc27ffc039c58260768ead5c90"
+            "sourceHash" : "e43afb4531e64b7a68d0d18bf9f5ef31dd0e1585efb1b5ed6a3712417469ce19"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xfd80",
-                    "hash" : "0x9b27d2e3ba72bf02d6e0d2965894d4158fc84172bcded24622cc515c072f63b1",
-                    "mixHash" : "0x1cf457ddb90c09706a2d392bc16e60dbb8d029a4a3ff403bf26b862e8fb229a7",
-                    "nonce" : "0x3a226db7382f010f",
+                    "hash" : "0x47836b522885ca16715b32fe0de637256345a97aed1cde4d32a1808b97e67689",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xf85ef3979754b7ecfd28d1ea2638a3080ebe3334eadd0777129541ab76ba07c0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd6586e4ead7722651d81850018cb6f09df71d09e02a7a822d05a016024675f9e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9b27d2e3ba72bf02d6e0d2965894d4158fc84172bcded24622cc515c072f63b1",
+        "lastblockhash" : "0x47836b522885ca16715b32fe0de637256345a97aed1cde4d32a1808b97e67689",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g0v0Filler.json",
+            "sourceHash" : "e43afb4531e64b7a68d0d18bf9f5ef31dd0e1585efb1b5ed6a3712417469ce19"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xfd80",
+                    "hash" : "0x0b7d4d7fbc029a106970c86931c582a21a4afc607e72f3b2f351b9a1f4a86c97",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xf85ef3979754b7ecfd28d1ea2638a3080ebe3334eadd0777129541ab76ba07c0",
+                    "stateRoot" : "0xe6587bb4243028890edd8deeb5c5685ba4c7cc79f7b8b760e33e9287fcd38a60",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd6586e4ead7722651d81850018cb6f09df71d09e02a7a822d05a016024675f9e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xfd80",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xcd075e9ce000407ed2219decde9dd7bf05b1a69814e57dba24f0647f9d217bd0",
+                        "s" : "0x3bd2fd8603ed6f92aeb6a251ecaca7973b568f6edde2d56ac68aafb131370ec4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x0b7d4d7fbc029a106970c86931c582a21a4afc607e72f3b2f351b9a1f4a86c97",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb007a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760ff86",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g1v0.json
index 5b3c591f5..6b9406275 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g1v0Filler.json",
-            "sourceHash" : "5e327931395c29dd3acd3ded0080c7d290359942b5de787b680a3f5c9604a7fe"
+            "sourceHash" : "2e3cb63d72b7355310856235b6c3d4dc56061b9230527775db69875602409a3c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0xb8cc57cc597c53ed48f9d0b23a67889ecf2f67fba28a9123b22caba4834f4b1a",
-                    "mixHash" : "0xf81811f00acbb6a65265ed51c477f785635e5930d50cf4871e9b6af978e6aac7",
-                    "nonce" : "0x12a9d984edd9ccac",
+                    "hash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb8cc57cc597c53ed48f9d0b23a67889ecf2f67fba28a9123b22caba4834f4b1a",
+        "lastblockhash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g1v0Filler.json",
+            "sourceHash" : "2e3cb63d72b7355310856235b6c3d4dc56061b9230527775db69875602409a3c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2c589cfead49893491fbe5d82a33402c366c905d77f160a5f01b2c08aa73b2c0",
+                        "s" : "0x49202fc3f90d64bdfcdca492e1c4c294239e24244769d0296c9b7dba21eb9b7b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g2v0.json
index a8f8d5ac7..926deed2f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g2v0Filler.json",
-            "sourceHash" : "098b0c16ffe171e426c26f99d626c3e976e40f64fc309498ae5e7266052f59f1"
+            "sourceHash" : "7f213f8d97b59136838ca6fb0911fa0f44e753217c1800dd735b31af062601af"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x630926f6afb39cc6eafca1e19edd469b72a656567a1f07369fe530590e76d888",
-                    "mixHash" : "0x544b61372f67c94b0259802a07c0654af5af76b7758191a983f868df6a72a13a",
-                    "nonce" : "0xcf2246bc0019bfd5",
+                    "hash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x630926f6afb39cc6eafca1e19edd469b72a656567a1f07369fe530590e76d888",
+        "lastblockhash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g2v0Filler.json",
+            "sourceHash" : "7f213f8d97b59136838ca6fb0911fa0f44e753217c1800dd735b31af062601af"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d02bf4e787e1ea6225ff3c295e1d2c680489bbcbe88908aab279c15e136bdc1",
+                        "s" : "0x4aa72430be82743a7c35c41e69a957e51e7ffbfd35edaff76257ed9f454955b9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g3v0.json
index 2c2cd47c5..bbc1a621d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g3v0Filler.json",
-            "sourceHash" : "aa792874f6102e44c9f208259b9367f25bfd063a68b1c5a31daa9bcd7fb8b26b"
+            "sourceHash" : "92d1ccb78f75813e1b9daf62e56f92a386d7535397134335ee1b0a2ddaa8f3bd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xaf1a34639aa842b41e152546308c626d3bfba2df5d5a9fc79b2d3a444eb8211e",
-                    "mixHash" : "0x4ca6f4369b0364807b044b4c6e3615380ab13ca1353b44617e0720bddc90a354",
-                    "nonce" : "0xed5f968662846c63",
+                    "hash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xaf1a34639aa842b41e152546308c626d3bfba2df5d5a9fc79b2d3a444eb8211e",
+        "lastblockhash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_25000_d0g3v0Filler.json",
+            "sourceHash" : "92d1ccb78f75813e1b9daf62e56f92a386d7535397134335ee1b0a2ddaa8f3bd"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xe8d93ad1bd1e9cfe4d4ed987c7599dd2fc5e8fa15d71ac7ed4c472920d31e2fb",
+                        "s" : "0x5faa6f1e0bfda79a5e46d8f35ca83e8ee80ceb48513f4894763f0faa25629bf8",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g0v0.json
index 2ae49a561..18063f8ff 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g0v0Filler.json",
-            "sourceHash" : "fd7f061f7365627d3622ca9904104ff6a719196dc6edb8b90a4c41a5c9d9b9e9"
+            "sourceHash" : "ef3aa4e79ed16470ad1d1f533b55873f4347a035b09d58ea08d0ba331e8200fb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x012490",
-                    "hash" : "0x40e417ad13d9a7705f6962a1d0ae1d1f1ffc9a47758589687a8e0e6c534dabf4",
-                    "mixHash" : "0xc67ca9bb2149c18544e2156efdbf604dd64eaf9264306f17981aff3b5f6a515c",
-                    "nonce" : "0x157fd305f9cd02d6",
+                    "hash" : "0xbed326fa75845ea410df8bc395d4ef916eedec704164d697a688bc38d48fec5d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xf1112e559b3c89ccad1c1f59bc7e8077f36657c23a72bc5f0f2ed46fe09593a1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9925e40994154626ace94cb6b1c6f0b59bc1bbf1b5714f59683b9d9b26a5ec91",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x40e417ad13d9a7705f6962a1d0ae1d1f1ffc9a47758589687a8e0e6c534dabf4",
+        "lastblockhash" : "0xbed326fa75845ea410df8bc395d4ef916eedec704164d697a688bc38d48fec5d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g0v0Filler.json",
+            "sourceHash" : "ef3aa4e79ed16470ad1d1f533b55873f4347a035b09d58ea08d0ba331e8200fb"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x012490",
+                    "hash" : "0x3585af09e4490e1df320911b336dcbd8bbef24d74f23f0e1b0c5d2d0433a1cdb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xf1112e559b3c89ccad1c1f59bc7e8077f36657c23a72bc5f0f2ed46fe09593a1",
+                    "stateRoot" : "0x57fd96d79eb5669b5e7282b345f53835d02cc5baed651486619134372aedbba9",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9925e40994154626ace94cb6b1c6f0b59bc1bbf1b5714f59683b9d9b26a5ec91",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x012490",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7f250bc7cd62320fe5cc2bd5155fe7d410f1e849473ce3c0d4e7c07ecb399350",
+                        "s" : "0x3e822220f199bc374e13456ac7df08323a3a8fb75e938ca3ca67ea3445e92ba1",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3585af09e4490e1df320911b336dcbd8bbef24d74f23f0e1b0c5d2d0433a1cdb",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb278a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760d876",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g1v0.json
index 9c43e6d26..737017fc7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g1v0Filler.json",
-            "sourceHash" : "75db41a17ce15d8cd86a078290cedda10295d3c28734d2324549291d8f4f8b80"
+            "sourceHash" : "1881394aa81dc1e6fe8fdc9593e05427e5f887a612e69b2425fe0401b998c687"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x3984f6079d6c47506fb2225f78de20c4b33197150d56f84b2cbf7045e8c535d8",
-                    "mixHash" : "0xa8880dc0c750e955535e19638b5acb54849ca8dcc8e4c78acc2fd3583a8aff32",
-                    "nonce" : "0x79bb69cf713925ee",
+                    "hash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x3984f6079d6c47506fb2225f78de20c4b33197150d56f84b2cbf7045e8c535d8",
+        "lastblockhash" : "0x3f9f7602a0a9815f1612ca9981b19e9e7f6e5f8c0c453ab737391ad8aed81980",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g1v0Filler.json",
+            "sourceHash" : "1881394aa81dc1e6fe8fdc9593e05427e5f887a612e69b2425fe0401b998c687"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9e551e19bcf325eb42d6e04a7ea19e1428f082a68645c68197c4dd62b6fab22d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2c589cfead49893491fbe5d82a33402c366c905d77f160a5f01b2c08aa73b2c0",
+                        "s" : "0x49202fc3f90d64bdfcdca492e1c4c294239e24244769d0296c9b7dba21eb9b7b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1e682ff52eaf6390c1f2fed8b28978ba9485aa605fe19951c7446a3cef28cbd6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g2v0.json
index d00444314..6801dbda2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g2v0Filler.json",
-            "sourceHash" : "88457dc9f1fe0c8dfb3cf93813e94cb03bf138076a8ee1ddb64d3c21a6ddff6e"
+            "sourceHash" : "425f9ef8b6ae90d0b587d8d401e9fa2738e9a180718d4886abde347046b8135e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x2b5d9a19876ac70dc6baec4c8876745bbefe3d1e49662c0c5ebae9b09cd3bb08",
-                    "mixHash" : "0x58fc1d4f2f0b8a552bcda14491e7a9c93d08a377c15d2d018ffcb82df77cdfff",
-                    "nonce" : "0x24a8070490bbcc7f",
+                    "hash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x2b5d9a19876ac70dc6baec4c8876745bbefe3d1e49662c0c5ebae9b09cd3bb08",
+        "lastblockhash" : "0x78dfa87605832d4c9122afc339de3eb7cf87409ba6fd987d2670a446e21c3a91",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g2v0Filler.json",
+            "sourceHash" : "425f9ef8b6ae90d0b587d8d401e9fa2738e9a180718d4886abde347046b8135e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0eeb6cc1ffe72b2a93964cc523f66629ed72bf1021f589279a11118cab2f99b0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3d02bf4e787e1ea6225ff3c295e1d2c680489bbcbe88908aab279c15e136bdc1",
+                        "s" : "0x4aa72430be82743a7c35c41e69a957e51e7ffbfd35edaff76257ed9f454955b9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1a9a2c618359e0d2a3741debb2909c67d975b43fa26e04e2aa882345f021ddba",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g3v0.json
index 238726ea0..cdc21da1c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_1_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g3v0Filler.json",
-            "sourceHash" : "3dce54981ec9a6f45bc1deadc7c2f9f77ca89d56a7ac5361d3b0fc2926e4cec9"
+            "sourceHash" : "2e7f14d527b3b7fbef8c1971b2c8876eddb8e3b077bd08259e4857e8c01a5487"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xbe9212328fad46f0068180c50fb99b7565d91ebb61845dd1ef8ac779cb5fd77b",
-                    "mixHash" : "0x996bb5c33a461070050d5af809bb5b21a638edafaf0834663875790d6e94d6fd",
-                    "nonce" : "0xd2319b3421263e63",
+                    "hash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbe9212328fad46f0068180c50fb99b7565d91ebb61845dd1ef8ac779cb5fd77b",
+        "lastblockhash" : "0x6081eb0cf0e386219a15bc9f5599194d6cf504ad818ba1e821d84c5186518ae8",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_1_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_1_35000_d0g3v0Filler.json",
+            "sourceHash" : "2e7f14d527b3b7fbef8c1971b2c8876eddb8e3b077bd08259e4857e8c01a5487"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x664f9aba117024b86e246325a0b7bbf5c0ca42bb578a6e267da15a0ae04587d9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff970100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xe8d93ad1bd1e9cfe4d4ed987c7599dd2fc5e8fa15d71ac7ed4c472920d31e2fb",
+                        "s" : "0x5faa6f1e0bfda79a5e46d8f35ca83e8ee80ceb48513f4894763f0faa25629bf8",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfe0f1bd7319b84bf6117d915e41ad1d70c852cb25e4b7443fe918cbc88312158",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g0v0.json
index ccc224916..659677736 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g0v0Filler.json",
-            "sourceHash" : "56529832e361b0045cd3a3248ffb2cb1006617116335da0c3a41dac8d56cebad"
+            "sourceHash" : "075ace2f4807fe57238d073cd915c71b2115475d0f768424c1793f358a3ea4fb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x0b76d2",
-                    "hash" : "0xc7ec2407c15fc848f72fd47aec9e0a05414b65bfef1123218ded1ffb22af999f",
-                    "mixHash" : "0xaebec8a830d46970b7fb6a61c71e8cc68c5054cb18bdc0b25bb55665c1ca99d8",
-                    "nonce" : "0x3425f0545f8bacfe",
+                    "hash" : "0x4c47c54c5419f320814e59e793b3bf11193ebd068bfaf5aaa0f05994d1a43129",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x8c0e9bed118adcd3c386f1ea165a7831a3123569384e482839964551837f3dfe",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc0149e0091d7f3ac9c6b24e2caa82334324265b939cfe21a14648d37d21f37ed",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0ac1ef5ecc84dbdde01c0e76569b84b8c0de4f41629f3396b12bb6a9e50dcab67a0c0149e0091d7f3ac9c6b24e2caa82334324265b939cfe21a14648d37d21f37eda08c0e9bed118adcd3c386f1ea165a7831a3123569384e482839964551837f3dfeb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e100830b76d28203e880a0aebec8a830d46970b7fb6a61c71e8cc68c5054cb18bdc0b25bb55665c1ca99d8883425f0545f8bacfef90289f902860101830fff5894c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca00f08e94549931076803819ab32b4f43782689f4a69e8385cfb8e00e0e2c3bc33a070cc1815d459ec043d20190b5999191a9cd7fd4da38e12952d07fa97b1795206c0",
+                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0ac1ef5ecc84dbdde01c0e76569b84b8c0de4f41629f3396b12bb6a9e50dcab67a0c0149e0091d7f3ac9c6b24e2caa82334324265b939cfe21a14648d37d21f37eda08c0e9bed118adcd3c386f1ea165a7831a3123569384e482839964551837f3dfeb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e100830b76d28203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90289f902860101830fff5894c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca00f08e94549931076803819ab32b4f43782689f4a69e8385cfb8e00e0e2c3bc33a070cc1815d459ec043d20190b5999191a9cd7fd4da38e12952d07fa97b1795206c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc7ec2407c15fc848f72fd47aec9e0a05414b65bfef1123218ded1ffb22af999f",
+        "lastblockhash" : "0x4c47c54c5419f320814e59e793b3bf11193ebd068bfaf5aaa0f05994d1a43129",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g0v0Filler.json",
+            "sourceHash" : "075ace2f4807fe57238d073cd915c71b2115475d0f768424c1793f358a3ea4fb"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x0b76d2",
+                    "hash" : "0x082de8b343ee6a73556623d9654ad90fe351572c16f4c250ec75aa5fe81e7c95",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x8c0e9bed118adcd3c386f1ea165a7831a3123569384e482839964551837f3dfe",
+                    "stateRoot" : "0xbd639510ae913a569ba9f93223138cd022e8549ffe2cfb09a90b9ac43cf3f23a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc0149e0091d7f3ac9c6b24e2caa82334324265b939cfe21a14648d37d21f37ed",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0bd639510ae913a569ba9f93223138cd022e8549ffe2cfb09a90b9ac43cf3f23aa0c0149e0091d7f3ac9c6b24e2caa82334324265b939cfe21a14648d37d21f37eda08c0e9bed118adcd3c386f1ea165a7831a3123569384e482839964551837f3dfeb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e100830b76d28203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90289f902860101830fff5894c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca00f08e94549931076803819ab32b4f43782689f4a69e8385cfb8e00e0e2c3bc33a070cc1815d459ec043d20190b5999191a9cd7fd4da38e12952d07fa97b1795206c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x0fff58",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x0f08e94549931076803819ab32b4f43782689f4a69e8385cfb8e00e0e2c3bc33",
+                        "s" : "0x70cc1815d459ec043d20190b5999191a9cd7fd4da38e12952d07fa97b1795206",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x082de8b343ee6a73556623d9654ad90fe351572c16f4c250ec75aa5fe81e7c95",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ed579cc",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7568634",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x3961ec903a448e057fbc76e10170d02f15b9b65c2f7fc8215f611ec6dc74cf91"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g1v0.json
index e9bf6dccc..0d4bcf24c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g1v0Filler.json",
-            "sourceHash" : "b0b8dac91d3dfa892312a371ab9158b737a7e1cbea7b0f956ca26b87c2d719b5"
+            "sourceHash" : "6a21e09c484b784bf291d3d8ec52112095af74a9ca9586d431fb851e6d16ecba"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0xb7185b90f3a335bc102bcdd1efb49a1c4697ed50727838d97642a8f7e3a8f6cf",
-                    "mixHash" : "0x6f107afcf9a213acb4d8f10ad715216327815cba443d65591859aeadb6a07fa6",
-                    "nonce" : "0x799fcf598a3d4442",
+                    "hash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb7185b90f3a335bc102bcdd1efb49a1c4697ed50727838d97642a8f7e3a8f6cf",
+        "lastblockhash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g1v0Filler.json",
+            "sourceHash" : "6a21e09c484b784bf291d3d8ec52112095af74a9ca9586d431fb851e6d16ecba"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xc84c99d4d2a4c945ff40838a31088dd2610edc3b92416a212f476c3f1b07bfce",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x996931929ad9c029a7bdf1ec1f35ef33ec1fe8448dcc4057d7f3b0864804cf09",
+                        "s" : "0x552a4cec72f3658edd9aa6418454c4af9880ede912fab7954b271696581283ba",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g2v0.json
index 538693b21..3e400df04 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g2v0Filler.json",
-            "sourceHash" : "617ca0fc4b46eb513a4b5ee69817a769193acb3890377bf3abfcbd366e2e0c83"
+            "sourceHash" : "8a8929689283a3f33fa7c0554c61de861f4eed514108e872b5d6fa2b9ebd740c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x89ae4e0708c21e0edad85453e0be29f35c53231947bbf0ca5bbd2f9c9be714f3",
-                    "mixHash" : "0xc32b89735da9224cd8583c8feea634540799b562f5441e917977475b24145d99",
-                    "nonce" : "0x8e72594a5257a3f4",
+                    "hash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x89ae4e0708c21e0edad85453e0be29f35c53231947bbf0ca5bbd2f9c9be714f3",
+        "lastblockhash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g2v0Filler.json",
+            "sourceHash" : "8a8929689283a3f33fa7c0554c61de861f4eed514108e872b5d6fa2b9ebd740c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0xccd5a6f3cf591cf12664b7fca95e860acd0162296798e17b1d1c3e0c51a10a03",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7d44b9368ab6399496ec13c7b4a429710bb4138365759b6189a75f7dd70e27de",
+                        "s" : "0x661f7494627285de27c1ae3362f0f3dfbf2d4ac1a952b0ecb60bc29691e982f9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g3v0.json
index 150e5c588..2a471954e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g3v0Filler.json",
-            "sourceHash" : "e3068623c534d5c333f50cbd8b373b8ab1dcbc448a70f992080335065ed308d9"
+            "sourceHash" : "bfe359f941449d5202b96d604c5877af2d7ccb7db71c3ccc8693b8eda862defc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x0f2ba94a60511c112493f38a1b1b6cacd2b2a19b1a995b2324fe962b83acf9d8",
-                    "mixHash" : "0xf6507940f515ac89a4848743757d05cd44ac8e8d953a0d99fff9ec1dc4e4903f",
-                    "nonce" : "0x342f13a5661910df",
+                    "hash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0f2ba94a60511c112493f38a1b1b6cacd2b2a19b1a995b2324fe962b83acf9d8",
+        "lastblockhash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_1000000_d0g3v0Filler.json",
+            "sourceHash" : "bfe359f941449d5202b96d604c5877af2d7ccb7db71c3ccc8693b8eda862defc"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x192b70fb50907debd4292942b345da4bc7503fae255dc8cec4e157da37fefa89",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0192b70fb50907debd4292942b345da4bc7503fae255dc8cec4e157da37fefa89a001d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04da0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90289f90286010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba04917ae0c5d611c0eb0978092cb006ad795245789538e8438679924d7eb19b40da05c679e8c53944b60b2b039ef78c6d2f456f62a182f99d25dcf3ebb9a4d1377d0c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4917ae0c5d611c0eb0978092cb006ad795245789538e8438679924d7eb19b40d",
+                        "s" : "0x5c679e8c53944b60b2b039ef78c6d2f456f62a182f99d25dcf3ebb9a4d1377d0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g0v0.json
index 971ebb8b2..f79f8d458 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g0v0Filler.json",
-            "sourceHash" : "994cb6a79100ab842a29bb1670529b29f22727fc6ebbbf519cc1a3329d5a3f22"
+            "sourceHash" : "7d2d77686125748d599648112c298fa055625e76e01aa6c75e994a77b7cca1cc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x031a90",
-                    "hash" : "0xdb2601b8496a973a7cff5928fc6e4d9503bc8218b66371e66aa67a3b0a46ab1d",
-                    "mixHash" : "0x90dc3a7652d953e148011d996866d7795a0b566f667aaf93e8ef32517a5f10af",
-                    "nonce" : "0xde9edf0dd483b5a4",
+                    "hash" : "0xe02a86dae987f8cfe070e7224ccdd06ab5f837eb60e301071eb0467ebc1046a2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x3a8142f0b9e11966bb1d89824f452c4acd340a4a299fec41c4dfc752fb170a3a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd9c6a6ae831ae5858978288df2109b4b882aa7daae0ffec17f2505e1c536988c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdb2601b8496a973a7cff5928fc6e4d9503bc8218b66371e66aa67a3b0a46ab1d",
+        "lastblockhash" : "0xe02a86dae987f8cfe070e7224ccdd06ab5f837eb60e301071eb0467ebc1046a2",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g0v0Filler.json",
+            "sourceHash" : "7d2d77686125748d599648112c298fa055625e76e01aa6c75e994a77b7cca1cc"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x031a90",
+                    "hash" : "0x4bdf3200824b9e085083852ad81219a64ec95fe492b57be002533b01cc67b7d2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x3a8142f0b9e11966bb1d89824f452c4acd340a4a299fec41c4dfc752fb170a3a",
+                    "stateRoot" : "0x035bd94fc4f54132d55372ae654426c43493b21345148eaaccc73d0825ebc653",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd9c6a6ae831ae5858978288df2109b4b882aa7daae0ffec17f2505e1c536988c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x031a90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc2077cb32ed85d0ae05c40ded3fdb66778f69c5edcddc1601391e72d5aa6c84f",
+                        "s" : "0x4fa427e1019dd0e9107b15b52cfc35c3e41c640ca0189e3073b1c8c1c8400d31",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4bdf3200824b9e085083852ad81219a64ec95fe492b57be002533b01cc67b7d2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd1d8a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75ee276",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g1v0.json
index ddd983d6f..5eac03631 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g1v0Filler.json",
-            "sourceHash" : "6dba0714f8f2da95db93aa6d2fac3300b2a9a963326fe04c8680eb24ca473e4d"
+            "sourceHash" : "833481b54ac105d2a12e74339afc31816d0dd51a084a5fd200ae8ec56441e20d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0xd21a1ef6e2944c912c546d20d6fda5ed84593b912888bc93f867f75db4e2d59c",
-                    "mixHash" : "0x656505edeb81513e9aeea88a80f0ec909c131d492fef7955ea74f3a32b5b89a3",
-                    "nonce" : "0xc599f2e8706a43a9",
+                    "hash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd21a1ef6e2944c912c546d20d6fda5ed84593b912888bc93f867f75db4e2d59c",
+        "lastblockhash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g1v0Filler.json",
+            "sourceHash" : "833481b54ac105d2a12e74339afc31816d0dd51a084a5fd200ae8ec56441e20d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xc84c99d4d2a4c945ff40838a31088dd2610edc3b92416a212f476c3f1b07bfce",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c84c99d4d2a4c945ff40838a31088dd2610edc3b92416a212f476c3f1b07bfcea09618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5a022140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083015f908203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90289f90286010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca0996931929ad9c029a7bdf1ec1f35ef33ec1fe8448dcc4057d7f3b0864804cf09a0552a4cec72f3658edd9aa6418454c4af9880ede912fab7954b271696581283bac0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x996931929ad9c029a7bdf1ec1f35ef33ec1fe8448dcc4057d7f3b0864804cf09",
+                        "s" : "0x552a4cec72f3658edd9aa6418454c4af9880ede912fab7954b271696581283ba",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c57610204600435600401351115155857600435600401356020016004356004016101403760806103c061014051610160600060056305f5e0fff115585760806103a0526103a060a0806104608284600060046022f150505061046080516020820120905060005561046060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g2v0.json
index 420a32f0a..ae8e5fce4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g2v0Filler.json",
-            "sourceHash" : "1fe10f670ed90001c7a2892f4ae64321c09b86efad1b1205440c14ec46149639"
+            "sourceHash" : "96f91dc2667dcb17ca1e1cda9aaf206fb69c3cd4a4f881b62f24a02facf03ecf"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x2dc5865706a16a7823d992bf97789386e7279c047ad2234b9fe20bdf84acaac7",
-                    "mixHash" : "0xf6bcda28efee7551f2510e9bb0a7c1eb1c92f9287bc65a1e16e81ec1f1f5efcb",
-                    "nonce" : "0xda30be4e3cdc776c",
+                    "hash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2dc5865706a16a7823d992bf97789386e7279c047ad2234b9fe20bdf84acaac7",
+        "lastblockhash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g2v0Filler.json",
+            "sourceHash" : "96f91dc2667dcb17ca1e1cda9aaf206fb69c3cd4a4f881b62f24a02facf03ecf"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0xccd5a6f3cf591cf12664b7fca95e860acd0162296798e17b1d1c3e0c51a10a03",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7d44b9368ab6399496ec13c7b4a429710bb4138365759b6189a75f7dd70e27de",
+                        "s" : "0x661f7494627285de27c1ae3362f0f3dfbf2d4ac1a952b0ecb60bc29691e982f9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g3v0.json
index 29038cc14..116756d6a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g3v0Filler.json",
-            "sourceHash" : "31bdb787ede8a311fec2da48420f7538e95dd89f68e7d6a0605f2f351222ff7d"
+            "sourceHash" : "ed51788b7ddd50fd98e68dd44335fd931275d98a706623d19d01f18460ed6b48"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xe44d904aed822baba2135d3df37dec9da556206d79cd285a41e432769cfb8204",
-                    "mixHash" : "0xf96bfec60e765c290a0a253554d5b59dcb7e4b2cc0cce84921a138114640865b",
-                    "nonce" : "0x44a03d65137a3da6",
+                    "hash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe44d904aed822baba2135d3df37dec9da556206d79cd285a41e432769cfb8204",
+        "lastblockhash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_155000_d0g3v0Filler.json",
+            "sourceHash" : "ed51788b7ddd50fd98e68dd44335fd931275d98a706623d19d01f18460ed6b48"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x192b70fb50907debd4292942b345da4bc7503fae255dc8cec4e157da37fefa89",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4917ae0c5d611c0eb0978092cb006ad795245789538e8438679924d7eb19b40d",
+                        "s" : "0x5c679e8c53944b60b2b039ef78c6d2f456f62a182f99d25dcf3ebb9a4d1377d0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g0v0.json
index 85dabf9cf..7c25e4c71 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g0v0Filler.json",
-            "sourceHash" : "df287d5aa87b2964a3fa53b09e2ba36c042d6e66691c0e4f390bd634f8da0d80"
+            "sourceHash" : "ad8052d149e8dc9a8e18994c22c56b6f3f5b883eb6f3159e98027bcc565f00ff"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x010d2c",
-                    "hash" : "0xc0b6f243558fe15fde4550823266eb782cad9aa8847a96cda8714adbccce1cae",
-                    "mixHash" : "0xc11e15aa32bf1d6eaeb635f7e060b6f8c3341c76170f31fe6a366366c1f1ee8e",
-                    "nonce" : "0x6fd999195df31eff",
+                    "hash" : "0xb191f431048ad9ad5857605b580ec5f325c17284aa18fdd2233ffc47dc26bef6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x584dc39cc3eb9e978c112eb463b0249860447f592df4581113cc4b827e116a19",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5d695b82c2293bc95155a9383ac63d3bb204745522cd3b95895b6a53b1630e85",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc0b6f243558fe15fde4550823266eb782cad9aa8847a96cda8714adbccce1cae",
+        "lastblockhash" : "0xb191f431048ad9ad5857605b580ec5f325c17284aa18fdd2233ffc47dc26bef6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g0v0Filler.json",
+            "sourceHash" : "ad8052d149e8dc9a8e18994c22c56b6f3f5b883eb6f3159e98027bcc565f00ff"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x010d2c",
+                    "hash" : "0x52eddc6f006b8eccde7a556bcdb4e9780844523135442dce8fd957a75a67adad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x584dc39cc3eb9e978c112eb463b0249860447f592df4581113cc4b827e116a19",
+                    "stateRoot" : "0x42774e959d8c076483f5fc09e7fec2dbff29958bbd053afd9ff4b9e2eb12017e",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x5d695b82c2293bc95155a9383ac63d3bb204745522cd3b95895b6a53b1630e85",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x010d2c",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa89a1097b95ed9185db3451caa6a892dab43aab9cc7871f38b6790f2dad5dec4",
+                        "s" : "0x0cccee7d25bba2bf33a623549904c7aa9ab091e7c74829911b25cb7795d1f7a4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x52eddc6f006b8eccde7a556bcdb4e9780844523135442dce8fd957a75a67adad",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb1026",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760efda",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g1v0.json
index 9bdb199ca..551d5d7cb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g1v0Filler.json",
-            "sourceHash" : "2b7a606e3cef083a92d69012e9b2b4a8ee6659b2691150ba725aace10a93482a"
+            "sourceHash" : "968e75fa21c9b9db44672f46326ec061c7fb47fd4a54ae740d28eb9eb2a10c3d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0xcad2788e3dfa2b4a26fa5971d768c46a8b62fe1017e4301ef22837332916f534",
-                    "mixHash" : "0x47d871dea6265e5835043e08b0d65e77baac7048461f28001c374b3a8d2ae048",
-                    "nonce" : "0x1f19398a3213bafe",
+                    "hash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcad2788e3dfa2b4a26fa5971d768c46a8b62fe1017e4301ef22837332916f534",
+        "lastblockhash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g1v0Filler.json",
+            "sourceHash" : "968e75fa21c9b9db44672f46326ec061c7fb47fd4a54ae740d28eb9eb2a10c3d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xc84c99d4d2a4c945ff40838a31088dd2610edc3b92416a212f476c3f1b07bfce",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x996931929ad9c029a7bdf1ec1f35ef33ec1fe8448dcc4057d7f3b0864804cf09",
+                        "s" : "0x552a4cec72f3658edd9aa6418454c4af9880ede912fab7954b271696581283ba",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g2v0.json
index 80e913c43..851a7a8ea 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g2v0Filler.json",
-            "sourceHash" : "2bf6669af5b6df4c7366e6fea5c823547153b89c6b2c2a69f9a0ca2c8b85fb45"
+            "sourceHash" : "237734da4581952f3e851558549fefb3fb1cc8a014b13d0efee9405b9c2e4ce8"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x4677a9ced5a6c46682b1aa7f8f3e7f44e51e4b168a4026d2f690319779bc67f7",
-                    "mixHash" : "0xa3ae9681cb620349af14122f7e32536417eff502d502f1057ee7b8483e3296cc",
-                    "nonce" : "0xac2fc53f7db9d3d8",
+                    "hash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4677a9ced5a6c46682b1aa7f8f3e7f44e51e4b168a4026d2f690319779bc67f7",
+        "lastblockhash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g2v0Filler.json",
+            "sourceHash" : "237734da4581952f3e851558549fefb3fb1cc8a014b13d0efee9405b9c2e4ce8"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0xccd5a6f3cf591cf12664b7fca95e860acd0162296798e17b1d1c3e0c51a10a03",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7d44b9368ab6399496ec13c7b4a429710bb4138365759b6189a75f7dd70e27de",
+                        "s" : "0x661f7494627285de27c1ae3362f0f3dfbf2d4ac1a952b0ecb60bc29691e982f9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g3v0.json
index 0d8900688..f68b995f2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g3v0Filler.json",
-            "sourceHash" : "0fe5ba5cc67c46d86eb59465d1cdc13ee5cb9bc3d783c1fba78a5f9196902808"
+            "sourceHash" : "c767d4d7537eb19af046837895df92b98ee0046513dc50bf4443fb883a091a86"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x265b18f70cc486617bcc8e41e23c6b50495c331e0340706d51292d07890d6c6a",
-                    "mixHash" : "0x9866170a91675fd7b2bfe532f6d06372e09948492228db55f7adc6b204c94af5",
-                    "nonce" : "0x65a8aeeb9dcb75d6",
+                    "hash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a000e22632313c4a064f94cbec474fb3bb935b972d72a188e1fe40c59f4b23f00fa001d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04da0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90289f90286010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba04917ae0c5d611c0eb0978092cb006ad795245789538e8438679924d7eb19b40da05c679e8c53944b60b2b039ef78c6d2f456f62a182f99d25dcf3ebb9a4d1377d0c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x265b18f70cc486617bcc8e41e23c6b50495c331e0340706d51292d07890d6c6a",
+        "lastblockhash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_20500_d0g3v0Filler.json",
+            "sourceHash" : "c767d4d7537eb19af046837895df92b98ee0046513dc50bf4443fb883a091a86"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x192b70fb50907debd4292942b345da4bc7503fae255dc8cec4e157da37fefa89",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4917ae0c5d611c0eb0978092cb006ad795245789538e8438679924d7eb19b40d",
+                        "s" : "0x5c679e8c53944b60b2b039ef78c6d2f456f62a182f99d25dcf3ebb9a4d1377d0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c57610204600435600401351115155857600435600401356020016004356004016101403760806103c061014051610160600060056305f5e0fff115585760806103a0526103a060a0806104608284600060046022f150505061046080516020820120905060005561046060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g0v0.json
index 05ec466ca..d1515330d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g0v0Filler.json",
-            "sourceHash" : "5c02307302f6ace652a467111116f20918e007e04d50d7e208c748cba8eddbf0"
+            "sourceHash" : "696373af0b09dbe733f59f96ab86652d357ba67be5a473ae8ae73873c074f4ea"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x011308",
-                    "hash" : "0xe05f8e3b1173bbe726b2cffc1d5502d219f7345541a9d7a02cdebd747d104cfe",
-                    "mixHash" : "0x0bd430a72cd8263ee96e4991b816441999586cfe5122fb54a1b97bc71424dbe9",
-                    "nonce" : "0xd23fbab0150eba5b",
+                    "hash" : "0x545c2224c1b7887761bad09a9c3167fc0b81912875a351756d508e3b96ac162c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x19721db51cc1fbb3e18b8d8804d370b9197e655e5e9120df6ae77f498a77414b",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x1dcdbfa9f26c81496c776c83f291fac314726f5a5fa808dc033a6c3ef58e9f8d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe05f8e3b1173bbe726b2cffc1d5502d219f7345541a9d7a02cdebd747d104cfe",
+        "lastblockhash" : "0x545c2224c1b7887761bad09a9c3167fc0b81912875a351756d508e3b96ac162c",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g0v0Filler.json",
+            "sourceHash" : "696373af0b09dbe733f59f96ab86652d357ba67be5a473ae8ae73873c074f4ea"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x011308",
+                    "hash" : "0xdf347e2efc0e4d8576d0a8357f83d1812ae950a9453f0bd571ee87c58bade51f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x19721db51cc1fbb3e18b8d8804d370b9197e655e5e9120df6ae77f498a77414b",
+                    "stateRoot" : "0x369fe2f0b3f106645305ad41969279e0f5d4897780b4905b67c5a3fb5b400c4f",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x1dcdbfa9f26c81496c776c83f291fac314726f5a5fa808dc033a6c3ef58e9f8d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x011308",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xcee26fbff80dfd6dd55040cbf69a397b37cb119b390252aaa9fffaeb73f6cbaf",
+                        "s" : "0x148acbcf4a2fceade8d26ba2a5878e5b3b2212b25964b3d1efe4dac46b3637a0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xdf347e2efc0e4d8576d0a8357f83d1812ae950a9453f0bd571ee87c58bade51f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb1602",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760e9fe",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g1v0.json
index 327350a09..91dbe0d4d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g1v0Filler.json",
-            "sourceHash" : "016b050d38ac9b8fd080c4ec4f117bdc169d3810a228db5fc827164fb479e77d"
+            "sourceHash" : "71056bbca7c746ee87dc26a8b3ff5e573eaa7cf62f104ed9237c1918c8c15d29"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x86b6dd439da9f272639a699ef80016d0aeade94b2685d71a7242a97f117565f4",
-                    "mixHash" : "0x304cacc2f0da8f8cec54397d8b24744b7da70f48dc9139cc7ca386915f64a16f",
-                    "nonce" : "0x07382cc6129fbd96",
+                    "hash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x86b6dd439da9f272639a699ef80016d0aeade94b2685d71a7242a97f117565f4",
+        "lastblockhash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g1v0Filler.json",
+            "sourceHash" : "71056bbca7c746ee87dc26a8b3ff5e573eaa7cf62f104ed9237c1918c8c15d29"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xc84c99d4d2a4c945ff40838a31088dd2610edc3b92416a212f476c3f1b07bfce",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x996931929ad9c029a7bdf1ec1f35ef33ec1fe8448dcc4057d7f3b0864804cf09",
+                        "s" : "0x552a4cec72f3658edd9aa6418454c4af9880ede912fab7954b271696581283ba",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g2v0.json
index b77a49003..36f895229 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g2v0Filler.json",
-            "sourceHash" : "8cfe4a785f0bf90ba9f2ee2768b8450ca02b5c2fc20e48fe38b7e6c1e12ce01c"
+            "sourceHash" : "f2315772128e044c8c66e8bb90e15bee4bf4dedcebcfff506b3ecdd358e026c0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x6d397e91ed1bea796858dc79a24c0f187c5ce5e9f7022d721565e26f66c024b7",
-                    "mixHash" : "0x0059f7e64f13f648f2bdf8d0e086a0b2315f10a1bfbc04b301a8b2d1116eb169",
-                    "nonce" : "0x494ca67c3b40bf65",
+                    "hash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a00b5a9b608961477ca227b1172fa80f596a1caab4386fa3d683932d68e89373dba0829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecda0fd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008301adb08203e880a00059f7e64f13f648f2bdf8d0e086a0b2315f10a1bfbc04b301a8b2d1116eb16988494ca67c3b40bf65f90289f9028601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba07d44b9368ab6399496ec13c7b4a429710bb4138365759b6189a75f7dd70e27dea0661f7494627285de27c1ae3362f0f3dfbf2d4ac1a952b0ecb60bc29691e982f9c0",
+                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a00b5a9b608961477ca227b1172fa80f596a1caab4386fa3d683932d68e89373dba0829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecda0fd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008301adb08203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90289f9028601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ba07d44b9368ab6399496ec13c7b4a429710bb4138365759b6189a75f7dd70e27dea0661f7494627285de27c1ae3362f0f3dfbf2d4ac1a952b0ecb60bc29691e982f9c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6d397e91ed1bea796858dc79a24c0f187c5ce5e9f7022d721565e26f66c024b7",
+        "lastblockhash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g2v0Filler.json",
+            "sourceHash" : "f2315772128e044c8c66e8bb90e15bee4bf4dedcebcfff506b3ecdd358e026c0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0xccd5a6f3cf591cf12664b7fca95e860acd0162296798e17b1d1c3e0c51a10a03",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7d44b9368ab6399496ec13c7b4a429710bb4138365759b6189a75f7dd70e27de",
+                        "s" : "0x661f7494627285de27c1ae3362f0f3dfbf2d4ac1a952b0ecb60bc29691e982f9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g3v0.json
index 9525da5d4..e93131bc3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g3v0Filler.json",
-            "sourceHash" : "365f356de108eb221f621d30c2155784415450005e7756483fd9563ee8d935b2"
+            "sourceHash" : "ac5ece395b9950db738992f3a29dbfc580336077ac39b3edf4c394587b31d36f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x9f633ebc6ab48d8bed62fe8234081133c58f8e04000d3a8eafb8a269fdcba146",
-                    "mixHash" : "0xb9d14e942b92ffc91112ce2fcf0724d7c86680876369a2903c19754a14cadb89",
-                    "nonce" : "0x64c086b6a3b327a4",
+                    "hash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9f633ebc6ab48d8bed62fe8234081133c58f8e04000d3a8eafb8a269fdcba146",
+        "lastblockhash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_22000_d0g3v0Filler.json",
+            "sourceHash" : "ac5ece395b9950db738992f3a29dbfc580336077ac39b3edf4c394587b31d36f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x192b70fb50907debd4292942b345da4bc7503fae255dc8cec4e157da37fefa89",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4917ae0c5d611c0eb0978092cb006ad795245789538e8438679924d7eb19b40d",
+                        "s" : "0x5c679e8c53944b60b2b039ef78c6d2f456f62a182f99d25dcf3ebb9a4d1377d0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g0v0.json
index 0af6958d0..421e8dc9e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g0v0Filler.json",
-            "sourceHash" : "4451fe3c083eac56500d836b214a5d15ce99119d22fb52bc491b005464d99ffc"
+            "sourceHash" : "2881ab1d350aec72544f1976ba8d6b69aa2e039836ef6a5df2ab9df5c2bee8d4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x011ec0",
-                    "hash" : "0xf7b9541069c5100d0ff14342b1a04b46adb6c3aa9adf8be385d8caefbaf02275",
-                    "mixHash" : "0xce0eed779a8aa0c3a09489e81d35e1029cfbb0abbeb99c48dc237b3a70be2611",
-                    "nonce" : "0xcabdda889751aa1d",
+                    "hash" : "0xbc7e757f81e6b1285f3c4119e6076a37732a83b3645d1980cdc4277f62951e6c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x8de6a10b876d82ccce671adbc904f813b7cd0121c756d5bc4aae0d677ad51f74",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8ce8f0903ad438aee5d32d7f8a315b81298a1791fb2a742b2121cbafdd0a208c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a04ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xf7b9541069c5100d0ff14342b1a04b46adb6c3aa9adf8be385d8caefbaf02275",
+        "lastblockhash" : "0xbc7e757f81e6b1285f3c4119e6076a37732a83b3645d1980cdc4277f62951e6c",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g0v0Filler.json",
+            "sourceHash" : "2881ab1d350aec72544f1976ba8d6b69aa2e039836ef6a5df2ab9df5c2bee8d4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x011ec0",
+                    "hash" : "0x4ceece1fb4d3f03fda6d8d3083a24bc3bb173b71936e4fb2e085d292a8613fcb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x8de6a10b876d82ccce671adbc904f813b7cd0121c756d5bc4aae0d677ad51f74",
+                    "stateRoot" : "0x8e7bd4ee2ab10b5b5cb22b70acc509dc39627fa0114599e21f4f961a3968412c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8ce8f0903ad438aee5d32d7f8a315b81298a1791fb2a742b2121cbafdd0a208c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x011ec0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa02366a8fea72efd0021085e56567e1d2f7743bb1437bd255445bf33811f975c",
+                        "s" : "0x733ce76fb600aff70df6f3162862969a01029d2b6c84fb6d17f97289d24c741a",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4ceece1fb4d3f03fda6d8d3083a24bc3bb173b71936e4fb2e085d292a8613fcb",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb21ba",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760de46",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g1v0.json
index fcffc9625..2f8dae3a9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g1v0Filler.json",
-            "sourceHash" : "e347cbb3068a37786a638363240abd9f39892d8c124a762f2ac372e0a372d347"
+            "sourceHash" : "3b27d98ef37bd6ce95126ad6a49d602c7955ddd5699c79ab49f5f8e48307b4f5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x3fc48e144313aca731f44a048ad348592d6b90705c0775fbdac995dfc66c3741",
-                    "mixHash" : "0xabfe2c77341473904ff47a021b054081c929c47516a6f6f10e6665f4141074d0",
-                    "nonce" : "0x63564ce213e1a4ab",
+                    "hash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3fc48e144313aca731f44a048ad348592d6b90705c0775fbdac995dfc66c3741",
+        "lastblockhash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g1v0Filler.json",
+            "sourceHash" : "3b27d98ef37bd6ce95126ad6a49d602c7955ddd5699c79ab49f5f8e48307b4f5"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xc84c99d4d2a4c945ff40838a31088dd2610edc3b92416a212f476c3f1b07bfce",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c84c99d4d2a4c945ff40838a31088dd2610edc3b92416a212f476c3f1b07bfcea09618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5a022140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083015f908203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90289f90286010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca0996931929ad9c029a7bdf1ec1f35ef33ec1fe8448dcc4057d7f3b0864804cf09a0552a4cec72f3658edd9aa6418454c4af9880ede912fab7954b271696581283bac0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x996931929ad9c029a7bdf1ec1f35ef33ec1fe8448dcc4057d7f3b0864804cf09",
+                        "s" : "0x552a4cec72f3658edd9aa6418454c4af9880ede912fab7954b271696581283ba",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g2v0.json
index 8273703b8..b3ea81e5b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g2v0Filler.json",
-            "sourceHash" : "86fa4e364d23e33189056ff84df89869a531cb02df0fcf26d4d0229f50262763"
+            "sourceHash" : "121be4332eff465ee0da7bb68a54c3514fbdba07f70fdeac2356eeb98255dba7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x09ecd056e3334e4553e11b9588294dc0186128df39a7429c3a5412a5311f416b",
-                    "mixHash" : "0x7c6d9faac7d37a5c3a4e222acb1b0d24bfda79b9c2222c2bc73df4a06bff0ba4",
-                    "nonce" : "0x61afc47fafa32dc1",
+                    "hash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x09ecd056e3334e4553e11b9588294dc0186128df39a7429c3a5412a5311f416b",
+        "lastblockhash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g2v0Filler.json",
+            "sourceHash" : "121be4332eff465ee0da7bb68a54c3514fbdba07f70fdeac2356eeb98255dba7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0xccd5a6f3cf591cf12664b7fca95e860acd0162296798e17b1d1c3e0c51a10a03",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7d44b9368ab6399496ec13c7b4a429710bb4138365759b6189a75f7dd70e27de",
+                        "s" : "0x661f7494627285de27c1ae3362f0f3dfbf2d4ac1a952b0ecb60bc29691e982f9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g3v0.json
index 6a0d40341..4da088ba3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g3v0Filler.json",
-            "sourceHash" : "5416b2e486713493d561c5e08240e92a343048ea185d3b71e2cdc4255d3c4edd"
+            "sourceHash" : "69aacf158e6954493d73cd9174cf979556318ed6be6847d4d1ceee850064becc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xc7550ee677898ea96508d009b5c64f3d293f001968b5a6ef436193ec0b93336a",
-                    "mixHash" : "0xced94c71635e32f49a90b4c0c46c8343e7295dedff2957e0d7fb89091a9ad65a",
-                    "nonce" : "0x04de1e38ba0a03bd",
+                    "hash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc7550ee677898ea96508d009b5c64f3d293f001968b5a6ef436193ec0b93336a",
+        "lastblockhash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_25000_d0g3v0Filler.json",
+            "sourceHash" : "69aacf158e6954493d73cd9174cf979556318ed6be6847d4d1ceee850064becc"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x192b70fb50907debd4292942b345da4bc7503fae255dc8cec4e157da37fefa89",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4917ae0c5d611c0eb0978092cb006ad795245789538e8438679924d7eb19b40d",
+                        "s" : "0x5c679e8c53944b60b2b039ef78c6d2f456f62a182f99d25dcf3ebb9a4d1377d0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g0v0.json
index 9909e3945..5a1d4ff73 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g0v0Filler.json",
-            "sourceHash" : "cb59e7c5282ca1aabb473131a504fd76bec5e8e8ac56c2b57f785de5f91b5b13"
+            "sourceHash" : "280c88ec60244edebbdb679b1139a89cc4d3453c91beef3740c80fd816232112"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x0145d0",
-                    "hash" : "0x34687ccd1cb8797face5d2b3b70dcd9f547682d7d27b2511a2ef9a325829f794",
-                    "mixHash" : "0x4b9da0b59fcc671af31292a385d45d869e6bfd939db7c2dcb29b265b864d3027",
-                    "nonce" : "0x44bd3ae8990d116a",
+                    "hash" : "0x4a7b1be35634aa0ba0a01e618c7fa33d2d7a9f394481d0be0aafe4c006128096",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x91336e88fa620cb6126a4b36c4485cb8570acbf096cd4a8e29dc258399637055",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x09c46ee641f6783d82b0a3b9f17cf485311575ddfa0986f7d7d78b30456b5701",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x34687ccd1cb8797face5d2b3b70dcd9f547682d7d27b2511a2ef9a325829f794",
+        "lastblockhash" : "0x4a7b1be35634aa0ba0a01e618c7fa33d2d7a9f394481d0be0aafe4c006128096",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g0v0Filler.json",
+            "sourceHash" : "280c88ec60244edebbdb679b1139a89cc4d3453c91beef3740c80fd816232112"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x0145d0",
+                    "hash" : "0x6033919742cd7ba4c97fdaef398855ff3b66a611019b979cf4998bb14c7a74af",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x91336e88fa620cb6126a4b36c4485cb8570acbf096cd4a8e29dc258399637055",
+                    "stateRoot" : "0x426741baed6bd2664679c14f34e013904eb979fb9a07ffd97c95b1a4920a5322",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x09c46ee641f6783d82b0a3b9f17cf485311575ddfa0986f7d7d78b30456b5701",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90489f901f9a0a329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0426741baed6bd2664679c14f34e013904eb979fb9a07ffd97c95b1a4920a5322a009c46ee641f6783d82b0a3b9f17cf485311575ddfa0986f7d7d78b30456b5701a091336e88fa620cb6126a4b36c4485cb8570acbf096cd4a8e29dc258399637055b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e100830145d08203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90289f902860101830145d094c305c901078781c232a2a521c2af7980f8385ee980b9022430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff971ca00c149b0991c40da090b4b89ea3c4b0156842abc0cfab139e852b86a9f07342c5a01adcd8e6273529cea4b2e471a92a8188ebeab5b294446426023772b4709a332bc0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x0145d0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x0c149b0991c40da090b4b89ea3c4b0156842abc0cfab139e852b86a9f07342c5",
+                        "s" : "0x1adcd8e6273529cea4b2e471a92a8188ebeab5b294446426023772b4709a332b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6033919742cd7ba4c97fdaef398855ff3b66a611019b979cf4998bb14c7a74af",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb48ca",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760b736",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g1v0.json
index 0869da286..46c5cdd65 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g1v0Filler.json",
-            "sourceHash" : "efd5b827bb7e046fd26fa3aaeb6eda73993cdc02398ad1297b27533b4f32087b"
+            "sourceHash" : "bff4c5fa89b1d818e6e864065c9dbf0c18a33afdc11c1e2d885cb434cd5a5284"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0xbb9f3c007428b1a55bdae38445a42f337c1c91f20d1fda30e185e31f0f1a0008",
-                    "mixHash" : "0x7562594777b16563f4859bfdf2e3c4ecf9a2ebaab413d0f0ff74074b2cccba85",
-                    "nonce" : "0xee33a6c1774ef0d0",
+                    "hash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbb9f3c007428b1a55bdae38445a42f337c1c91f20d1fda30e185e31f0f1a0008",
+        "lastblockhash" : "0x6b40de2d3ab48ab62adfe3dd7505837793b762684a381f6a1007e5d657fff3ed",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g1v0Filler.json",
+            "sourceHash" : "bff4c5fa89b1d818e6e864065c9dbf0c18a33afdc11c1e2d885cb434cd5a5284"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xc84c99d4d2a4c945ff40838a31088dd2610edc3b92416a212f476c3f1b07bfce",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9618a26e55597484122cd43b81bab4aad69a8b5ad9ffb1315eef6f06ae3164d5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x996931929ad9c029a7bdf1ec1f35ef33ec1fe8448dcc4057d7f3b0864804cf09",
+                        "s" : "0x552a4cec72f3658edd9aa6418454c4af9880ede912fab7954b271696581283ba",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a04ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x33995361f1c792dc1066f8e8ab67cd205171d65d841f6b2983619a58993fb8e7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g2v0.json
index 4a81ed305..a22558357 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g2v0Filler.json",
-            "sourceHash" : "177fc66cf486d8de5ba35ce8f2e118f30c4df3700c1121ca2a55011055520364"
+            "sourceHash" : "f21ecc6d50deaaa7d97e84a77933d80f1ac9381862946a62aedf1b7de58b4517"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x034343d52aef3cfede41b89ad6d6bd90f11bb5519c12526e1053754e75900329",
-                    "mixHash" : "0x1d24c0b784603da480aa73bc4bac761df20b61ef03c8edfbe38dc82a452a0a16",
-                    "nonce" : "0x2ce0145a02d7a5e3",
+                    "hash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x034343d52aef3cfede41b89ad6d6bd90f11bb5519c12526e1053754e75900329",
+        "lastblockhash" : "0x91755ef8f6b694e4e27d45e69430597cec836a57b02dc651787bd329e01667c1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g2v0Filler.json",
+            "sourceHash" : "f21ecc6d50deaaa7d97e84a77933d80f1ac9381862946a62aedf1b7de58b4517"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0xccd5a6f3cf591cf12664b7fca95e860acd0162296798e17b1d1c3e0c51a10a03",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x829bc499c948dcf28bebec909f52fd6d508a02f8e1873a9f46dce37bfde79ecd",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7d44b9368ab6399496ec13c7b4a429710bb4138365759b6189a75f7dd70e27de",
+                        "s" : "0x661f7494627285de27c1ae3362f0f3dfbf2d4ac1a952b0ecb60bc29691e982f9",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x703f9072456b2ccc0bdbbb1e1b64e8f20e1d0b8ac758e585045d77899f4fefd1",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c57610204600435600401351115155857600435600401356020016004356004016101403760806103c061014051610160600060056305f5e0fff115585760806103a0526103a060a0806104608284600060046022f150505061046080516020820120905060005561046060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g3v0.json
index 132453721..32e6ba443 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_37111_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g3v0Filler.json",
-            "sourceHash" : "0cfb8d2ff2bd9a45b178b3a7e5fa0dd674fc4d69c7d1038775f674f11c47e3e2"
+            "sourceHash" : "69c053e66da1ee4829a3b11efa0e9d3924b965d5784feb60808579669014b066"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x4f5750469e4cbac0e8d98d344f9db52a09990cc26058fe5884a28759b2cf0548",
-                    "mixHash" : "0xbabe55e0701a3d6afc29890daa8c385a0704f9fe5defa6eb60d3ba6359c5c1c5",
-                    "nonce" : "0xdef0c4cea3071dfa",
+                    "hash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4f5750469e4cbac0e8d98d344f9db52a09990cc26058fe5884a28759b2cf0548",
+        "lastblockhash" : "0x7dfc03ba160faf1674416c0a34f987a6a95a85affcadf36221a0de68e291c990",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_37111_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_37111_35000_d0g3v0Filler.json",
+            "sourceHash" : "69c053e66da1ee4829a3b11efa0e9d3924b965d5784feb60808579669014b066"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0x192b70fb50907debd4292942b345da4bc7503fae255dc8cec4e157da37fefa89",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x01d37cc549aedaee1cba2f798a0945fbd867b231c1a5bc541c4caf406138d04d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000001e0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000080ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4917ae0c5d611c0eb0978092cb006ad795245789538e8438679924d7eb19b40d",
+                        "s" : "0x5c679e8c53944b60b2b039ef78c6d2f456f62a182f99d25dcf3ebb9a4d1377d0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xa329cc1e3320c297ed760e741d094df720e054640e41014bdaa137ab8f0af555",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x4ec1cec678ac59f654001236e7755a1ee17d23482e4552bdfa5b6966cc3ecdc8",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x79fdc650bc9859761fa3a8759a3670adb40781144b13c93e2a005ddaea48b85d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g0v0.json
index 519eacd13..b5870b843 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.ab4ca6d1.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g0v0Filler.json",
-            "sourceHash" : "3c1172599bad88e60af34f725f389d15be1466a3f44912d3e469f63235abe06c"
+            "sourceHash" : "da0ebf2c818a0f1f17efbe5d6c23ea580fce3c00832a5bf1fa1a82f0078b5f99"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x0b554e",
-                    "hash" : "0x95eab5550a2ea66a2b9c02ae44206c81fdab2050a9da1cc97ce097782897629b",
-                    "mixHash" : "0x3fa41a2208df151271665b1d5c64cb1fac3aae1ca047e6c27aa353ddfe5aff1e",
-                    "nonce" : "0x640b76491c45154c",
+                    "hash" : "0x928ce2a9597edf1d20c2f84f451c915dfae5c0c398f396606510445644692767",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x3556590d36a868cddabadffce132c5d68e4b501b3d658614aaa85ca7c783c5a7",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0473c2eed4153f1f6c196d2e760f6d472f895e21ab712504e08d72235b386239",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x95eab5550a2ea66a2b9c02ae44206c81fdab2050a9da1cc97ce097782897629b",
+        "lastblockhash" : "0x928ce2a9597edf1d20c2f84f451c915dfae5c0c398f396606510445644692767",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g0v0Filler.json",
+            "sourceHash" : "da0ebf2c818a0f1f17efbe5d6c23ea580fce3c00832a5bf1fa1a82f0078b5f99"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x0b554e",
+                    "hash" : "0x87eeb28174369482ccd3bf92a278007812fbf50dda858e4f22adbbbd88b00126",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x3556590d36a868cddabadffce132c5d68e4b501b3d658614aaa85ca7c783c5a7",
+                    "stateRoot" : "0xd0f6c3145a81f25860d6ace256506fb80d41d43052c944f5d4daf68adbe1a971",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0473c2eed4153f1f6c196d2e760f6d472f895e21ab712504e08d72235b386239",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0fde18",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xb3421af5ac0a371641af72ae2314eb8b201685140756659c4075f4b17168ad8e",
+                        "s" : "0x47dbd6cab269beddc5fb3e96157859ac9be4cb1902c5d08c74de795143cbd389",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x87eeb28174369482ccd3bf92a278007812fbf50dda858e4f22adbbbd88b00126",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ed55848",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a756a7b8",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xeff31f7855752a3582db9a0d965d5063f23d94003e66f8c5a8f8e8fe2ab24753"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g1v0.json
index 01265b84b..8e5a5d528 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.ab4ca6d1.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g1v0Filler.json",
-            "sourceHash" : "1f6c0a42f3ca7db43f2d0aa490ea2a64037440202802aa8309b8c8c931e0d240"
+            "sourceHash" : "204c7c8feaf5f23b9a1fa252b741418efacb5856c5ee5d5371634a2c8d1a471a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x070f489b6d0d15d4fe4530e55a49e7c24199d1fae7fee6e06c7c9bb62e8b27e4",
-                    "mixHash" : "0x68da05657ff40e70682a78b05cf6c7117b8b64e666d766f1082d7d7c9a220cb0",
-                    "nonce" : "0xe4c4ca5fab78c2d8",
+                    "hash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0fcf39668e800b6e78362f7db66cbdad1d03a0beddfcba724130b271fd8026d2ea048529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80a022140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083015f908203e880a068da05657ff40e70682a78b05cf6c7117b8b64e666d766f1082d7d7c9a220cb088e4c4ca5fab78c2d8f90229f90226010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9761000000000000000000000000000000000000000000000000000000000000001ba05517d57927dc1de214f4cc74e914264deb53e91508ee220ac29c58914e952b31a00a54502aadc39aaba6983ebd614474f2f7c61a550995b9e0c9d10612bf345489c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x070f489b6d0d15d4fe4530e55a49e7c24199d1fae7fee6e06c7c9bb62e8b27e4",
+        "lastblockhash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g1v0Filler.json",
+            "sourceHash" : "204c7c8feaf5f23b9a1fa252b741418efacb5856c5ee5d5371634a2c8d1a471a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5517d57927dc1de214f4cc74e914264deb53e91508ee220ac29c58914e952b31",
+                        "s" : "0x0a54502aadc39aaba6983ebd614474f2f7c61a550995b9e0c9d10612bf345489",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g2v0.json
index b7b2cde84..a07e28d87 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.ab4ca6d1.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g2v0Filler.json",
-            "sourceHash" : "1750149a3d868a6a3039a846d5e6ac55aeca74bb621eb4680ba7c909960f0f0d"
+            "sourceHash" : "c721bd9e83782c3a63d6281338d0074cbfced04b04d998de780cdaa248b1cd99"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x26585f561f6d32413a7ba0f933bb1f25505baa9f7ba9226f4b59dd30f9fafbb0",
-                    "mixHash" : "0xfc265e720a42ffd1c7def9e530800ef22298b3eaf6dd42e22c0eb611c4b5872a",
-                    "nonce" : "0xda4355f94550e925",
+                    "hash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x26585f561f6d32413a7ba0f933bb1f25505baa9f7ba9226f4b59dd30f9fafbb0",
+        "lastblockhash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g2v0Filler.json",
+            "sourceHash" : "c721bd9e83782c3a63d6281338d0074cbfced04b04d998de780cdaa248b1cd99"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330",
+                        "s" : "0x33e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g3v0.json
index 6c7439082..f0f955ace 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.ab4ca6d1.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g3v0Filler.json",
-            "sourceHash" : "32be1350c0780a1b3aeec55c56332c61fc5b137d959713169d2c0c9e63e7eae5"
+            "sourceHash" : "7d26d5a9dee7e13d01d539723c12d3dd969d22e539119b0ebe0673de46bfc512"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x2bd9108955d9775615d2bc2c7f779fe12e12c44be36a78cdb3af476c217ff982",
-                    "mixHash" : "0xc95682e0c8ff7c9d3d26721ce1fd19638a7bc6463b808e8f471a043022a4dd4e",
-                    "nonce" : "0x2999cfb6230af85d",
+                    "hash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0add3e81e847ee37b3341aea999590e01f03f1b6e98584e12c40a80617d709a50a016e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cba0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f90226010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9761000000000000000000000000000000000000000000000000000000000000001ca03c9c3c419e7596c339b357cbf3091c7fdb9045ed5c12cb751ac174d2560bc9cfa017a6ba359a6d124814a6b3572bdda1711d99cca399dafb96e88190f810ae34a4c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2bd9108955d9775615d2bc2c7f779fe12e12c44be36a78cdb3af476c217ff982",
+        "lastblockhash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_1000000_d0g3v0Filler.json",
+            "sourceHash" : "7d26d5a9dee7e13d01d539723c12d3dd969d22e539119b0ebe0673de46bfc512"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3c9c3c419e7596c339b357cbf3091c7fdb9045ed5c12cb751ac174d2560bc9cf",
+                        "s" : "0x17a6ba359a6d124814a6b3572bdda1711d99cca399dafb96e88190f810ae34a4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g0v0.json
index a5b912ed3..a3115d0b7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g0v0Filler.json",
-            "sourceHash" : "68504e790879b7e43ca4e8915cd006578e4d069550d358956a93e8c53cee804d"
+            "sourceHash" : "469de8bfb82be97e7021363e6c1588d4406280a63e07733a0c84e0b8697d535a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x02f950",
-                    "hash" : "0x8d1b34b07aa09cd4baee3f8006837c4afa2ab29a9fe9d095f0a999124a39b1ba",
-                    "mixHash" : "0xbd3542703f6837a25a457642a1e4c3f0be88c54c372e3a25185a57d56c7cb5a2",
-                    "nonce" : "0x0c07fbd10aa6b167",
+                    "hash" : "0x74323c7067aabff619adf8924b5aa9efac09a87ac80eaf70d0f14c2936501df2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x39569878ca1eff6cef7cfe543ac1f7efc667632562e408f9d334589a41ba3ce1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xb746f1036348443019bbb0f2c65f78698894fbcaf76b296e89917a418d27728c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0f5debea0cd97c5977c8a6ef287c446e551c3a50dc9c10ba4a948a76796ac8cfda0b746f1036348443019bbb0f2c65f78698894fbcaf76b296e89917a418d27728ca039569878ca1eff6cef7cfe543ac1f7efc667632562e408f9d334589a41ba3ce1b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008302f9508203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f9022601018302f95094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9761000000000000000000000000000000000000000000000000000000000000001ba03875bf970c5eeb701b46773353a678cd463b230171b2b23c12e652823128e5c6a065d7117404be8d309a87f1eace8c7be4cfe1fb146ce95fb925059ef35343c35ac0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x8d1b34b07aa09cd4baee3f8006837c4afa2ab29a9fe9d095f0a999124a39b1ba",
+        "lastblockhash" : "0x74323c7067aabff619adf8924b5aa9efac09a87ac80eaf70d0f14c2936501df2",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g0v0Filler.json",
+            "sourceHash" : "469de8bfb82be97e7021363e6c1588d4406280a63e07733a0c84e0b8697d535a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x02f950",
+                    "hash" : "0x8e3220efd3beb51f97486b947cb87efa673c4b8d550bfb1e45effe05c82fb458",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x39569878ca1eff6cef7cfe543ac1f7efc667632562e408f9d334589a41ba3ce1",
+                    "stateRoot" : "0x69657ef5f92dfa95e2feb5ffd2f43d3483729360eeb4671aa574bc7d9580c839",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xb746f1036348443019bbb0f2c65f78698894fbcaf76b296e89917a418d27728c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x02f950",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3875bf970c5eeb701b46773353a678cd463b230171b2b23c12e652823128e5c6",
+                        "s" : "0x65d7117404be8d309a87f1eace8c7be4cfe1fb146ce95fb925059ef35343c35a",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8e3220efd3beb51f97486b947cb87efa673c4b8d550bfb1e45effe05c82fb458",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674eccfc4a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75f03b6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g1v0.json
index 320ab1c6e..b5c281db0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g1v0Filler.json",
-            "sourceHash" : "b0ef6c33663fe7128f5194bbb18ff31c3ff07f0873e6ef35f09b5380d5f471cb"
+            "sourceHash" : "e79a85945bab70cd3382619454b7ad4049517cdb6ca357513bb003f89a3fdd02"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x3df3566d2dac288bf95230c89fc25c9deea8346c160609f6840876ef7df9f208",
-                    "mixHash" : "0x407e817105e1a155111bd0c2b3304806096a151104f48b274b9eb4aca7075265",
-                    "nonce" : "0x636b9834b9c6f94d",
+                    "hash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3df3566d2dac288bf95230c89fc25c9deea8346c160609f6840876ef7df9f208",
+        "lastblockhash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g1v0Filler.json",
+            "sourceHash" : "e79a85945bab70cd3382619454b7ad4049517cdb6ca357513bb003f89a3fdd02"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5517d57927dc1de214f4cc74e914264deb53e91508ee220ac29c58914e952b31",
+                        "s" : "0x0a54502aadc39aaba6983ebd614474f2f7c61a550995b9e0c9d10612bf345489",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g2v0.json
index 5c2276fe3..2c76b7e14 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g2v0Filler.json",
-            "sourceHash" : "8e55baf9a71a36e7a129f1c012fafc809695587d47699c125ba9e4f39f8fd891"
+            "sourceHash" : "1c1e2150b74c9e99c5a04c791dd2c8a9966449fee1758e994ce0a2afb9c22c85"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x79e85aac6cf84b631207628e82cc03314696d5cbd16dda09b9a7b73802b47a47",
-                    "mixHash" : "0x9867c0674f26e6f4889c0be43618b37262e87a60b08dd98467410daada12d5b5",
-                    "nonce" : "0x777f7e2d78acc788",
+                    "hash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0a658d907b874be374bc1a21e2a042bdc752af6cc7dc55ebe207a9517af7e2819a08a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183aea0fd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008301adb08203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f9022601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9761000000000000000000000000000000000000000000000000000000000000001ca0f4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330a033e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073ec0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x79e85aac6cf84b631207628e82cc03314696d5cbd16dda09b9a7b73802b47a47",
+        "lastblockhash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g2v0Filler.json",
+            "sourceHash" : "1c1e2150b74c9e99c5a04c791dd2c8a9966449fee1758e994ce0a2afb9c22c85"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a052c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23a08a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183aea0fd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008301adb08203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f9022601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9761000000000000000000000000000000000000000000000000000000000000001ca0f4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330a033e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073ec0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330",
+                        "s" : "0x33e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g3v0.json
index a9bb2f8eb..551e333e8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g3v0Filler.json",
-            "sourceHash" : "a981fe1073d1440024a51d2728b483e32349b93f2e9430180d2a3cdb37118067"
+            "sourceHash" : "123c0435e99a173da929387ce57db8123be33fa81a303b308274ef391c307064"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xfc4808c14d27551409c606b46d34b2ba2ec36515df4a4e0d2997ed458c96f45c",
-                    "mixHash" : "0xf8590555fe9e77c0e3186ab14580858042a1ebf31d9f1982239cd197561ca051",
-                    "nonce" : "0x885bc699207ab0c6",
+                    "hash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xfc4808c14d27551409c606b46d34b2ba2ec36515df4a4e0d2997ed458c96f45c",
+        "lastblockhash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_155000_d0g3v0Filler.json",
+            "sourceHash" : "123c0435e99a173da929387ce57db8123be33fa81a303b308274ef391c307064"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3c9c3c419e7596c339b357cbf3091c7fdb9045ed5c12cb751ac174d2560bc9cf",
+                        "s" : "0x17a6ba359a6d124814a6b3572bdda1711d99cca399dafb96e88190f810ae34a4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g0v0.json
index c69b61667..ee6043f36 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g0v0Filler.json",
-            "sourceHash" : "c185a5760c78062a5f228859dd28482b810e69ff4ebe95ef303da591a05f571b"
+            "sourceHash" : "0e599049c5db67e24d54a26e814a659d7af6d73bc8f3d8ca8d254aa290d5a4ea"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xebec",
-                    "hash" : "0x796a7f5c85ea252903131c98c62e917d2fabb65d9ae9f8fd2978dd18369d5966",
-                    "mixHash" : "0x47270e95e31079365efd25b661202dbac96ad9b250535535ecc54c4d765c535f",
-                    "nonce" : "0x0456c1ff8189d887",
+                    "hash" : "0xf470b9cfc96fefe0e1e75e96542c0faf962f194d0cf541296a33b598751d44e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xc9ef6d404b7f67fb59d5251693ed03c9b9cc1becdc2ec61a42557d74461466b2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7ecd5cbc4877afb361386aa33b1e5579e8a203e47c35b68649d8bb5dc8081fb8",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x796a7f5c85ea252903131c98c62e917d2fabb65d9ae9f8fd2978dd18369d5966",
+        "lastblockhash" : "0xf470b9cfc96fefe0e1e75e96542c0faf962f194d0cf541296a33b598751d44e1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g0v0Filler.json",
+            "sourceHash" : "0e599049c5db67e24d54a26e814a659d7af6d73bc8f3d8ca8d254aa290d5a4ea"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xebec",
+                    "hash" : "0x2e40fb45566229602e29df8effbac14a7970b79e320c49f12f75b575598c74e8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xc9ef6d404b7f67fb59d5251693ed03c9b9cc1becdc2ec61a42557d74461466b2",
+                    "stateRoot" : "0x88697af7fbcad9eeee3a07e858728da35dc31c911ecea4b9880c54befd61ba9d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7ecd5cbc4877afb361386aa33b1e5579e8a203e47c35b68649d8bb5dc8081fb8",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xebec",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xb35805d3c2e40c21daee4fbe6d5e42d551b4473478fa3831da63cc69a18360",
+                        "s" : "0x3efdd86ea1ed3a77805e429732dd4bfd12ccd04734512c0dc33cd450e6a62e88",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e40fb45566229602e29df8effbac14a7970b79e320c49f12f75b575598c74e8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaeee6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761111a",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g1v0.json
index fb61b2fe4..635cd4af4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g1v0Filler.json",
-            "sourceHash" : "877e77f1712bc27a8d0cf9ad90b09ab96b1ba3a3818c4098c92e1fdb607a11ae"
+            "sourceHash" : "960867ab528c821a53f0645ad76d726700b5bfee6278e4dcaa8ce8dafc7713a1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0xc00e4bfd80f35ca4b1e96410db2fd278f4a3a28253ebc33a0a3dc57809edc79a",
-                    "mixHash" : "0x75abe9bd170ace4bf5e9e9dd1ce9ee17c923adb24c6cbe02ab834edd61440704",
-                    "nonce" : "0x218aece54a6b3e6e",
+                    "hash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc00e4bfd80f35ca4b1e96410db2fd278f4a3a28253ebc33a0a3dc57809edc79a",
+        "lastblockhash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g1v0Filler.json",
+            "sourceHash" : "960867ab528c821a53f0645ad76d726700b5bfee6278e4dcaa8ce8dafc7713a1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81da048529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80a022140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083015f908203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f90226010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9761000000000000000000000000000000000000000000000000000000000000001ba05517d57927dc1de214f4cc74e914264deb53e91508ee220ac29c58914e952b31a00a54502aadc39aaba6983ebd614474f2f7c61a550995b9e0c9d10612bf345489c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5517d57927dc1de214f4cc74e914264deb53e91508ee220ac29c58914e952b31",
+                        "s" : "0x0a54502aadc39aaba6983ebd614474f2f7c61a550995b9e0c9d10612bf345489",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g2v0.json
index da168289d..4b87f20b3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g2v0Filler.json",
-            "sourceHash" : "309f69455f3b59ab354cd31a14ca45e3811ecee9fc3f877cdb3fdf304867317a"
+            "sourceHash" : "7ce0991ffd13849224576129ee31f57eb2f08ddca7a5d17fa0e9d97eb3dcad0d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0xe726fb6bd4c1b08faf9dcafacd0ba01c0917c1b562414cbbeb9ccedf13f2242b",
-                    "mixHash" : "0xd3fb78616854d4b41df91fa6190f8adbb8587c60b9f37ecaa668156d6a462647",
-                    "nonce" : "0x6d11f407c80c51d6",
+                    "hash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90429f901f9a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0a658d907b874be374bc1a21e2a042bdc752af6cc7dc55ebe207a9517af7e2819a08a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183aea0fd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e1008301adb08203e880a0d3fb78616854d4b41df91fa6190f8adbb8587c60b9f37ecaa668156d6a462647886d11f407c80c51d6f90229f9022601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9761000000000000000000000000000000000000000000000000000000000000001ca0f4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330a033e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073ec0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xe726fb6bd4c1b08faf9dcafacd0ba01c0917c1b562414cbbeb9ccedf13f2242b",
+        "lastblockhash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g2v0Filler.json",
+            "sourceHash" : "7ce0991ffd13849224576129ee31f57eb2f08ddca7a5d17fa0e9d97eb3dcad0d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330",
+                        "s" : "0x33e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g3v0.json
index 4d76a48d8..e8d0bd480 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g3v0Filler.json",
-            "sourceHash" : "4d14766c4dd31294e2588a676dad699b2d21d901420ffd31fb5ce631b42e08b4"
+            "sourceHash" : "3b6c253975ed0f034ea28ba17f1ae06ca168694263a0de3d589ab10a1f05fb06"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xb2cbe82a7078465a8445536ed507514e64f420f74c945a0450cd50f027e39c33",
-                    "mixHash" : "0x77d6e12b15cf345cd31d8f619bdddea01b134bb297fa64b5ecdf5814515a82c7",
-                    "nonce" : "0xef021f2d7e0242da",
+                    "hash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xb2cbe82a7078465a8445536ed507514e64f420f74c945a0450cd50f027e39c33",
+        "lastblockhash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_20500_d0g3v0Filler.json",
+            "sourceHash" : "3b6c253975ed0f034ea28ba17f1ae06ca168694263a0de3d589ab10a1f05fb06"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3c9c3c419e7596c339b357cbf3091c7fdb9045ed5c12cb751ac174d2560bc9cf",
+                        "s" : "0x17a6ba359a6d124814a6b3572bdda1711d99cca399dafb96e88190f810ae34a4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g0v0.json
index 41ce3d84b..2ea1de7e8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g0v0Filler.json",
-            "sourceHash" : "d9b4fa9fd58c9dc825f2ec3d3c324bd53348346a157c676b59a443b78c2beca2"
+            "sourceHash" : "c90f4911c535e35582ac83eb7115709f82eacff96f0bbd251231b9c0f8393e17"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf1c8",
-                    "hash" : "0xe0af797f51b64e06eeb49803f8184d578f860712dd658e940dc56d8e162e703d",
-                    "mixHash" : "0x573eb3f3ee46c3a17c55fe1b7849ae8bb286dbffd1606e6a0c2447658c64160c",
-                    "nonce" : "0x27130b33cefaed07",
+                    "hash" : "0x45096203f9b8e5dd68560ff910703ff5aa7d3fb25fb045f14fcad1647f4d9171",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x026e61688a82184479c8661d460f49d0e46108e0f6da511e461f4ea6183601ed",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4f6b88a4213dcf0d78178267b81281700e1eb5576ac9094f657b3308a5d13cdc",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe0af797f51b64e06eeb49803f8184d578f860712dd658e940dc56d8e162e703d",
+        "lastblockhash" : "0x45096203f9b8e5dd68560ff910703ff5aa7d3fb25fb045f14fcad1647f4d9171",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g0v0Filler.json",
+            "sourceHash" : "c90f4911c535e35582ac83eb7115709f82eacff96f0bbd251231b9c0f8393e17"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf1c8",
+                    "hash" : "0x0749132da076874c0fcd7ed0c2e2b5edd331be5a87261a729c93f2cca3ea13ff",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x026e61688a82184479c8661d460f49d0e46108e0f6da511e461f4ea6183601ed",
+                    "stateRoot" : "0x0e8246fdcfbc24bb6b06db89e44d378dabf43c794da077c59c84e934582d5a12",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4f6b88a4213dcf0d78178267b81281700e1eb5576ac9094f657b3308a5d13cdc",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xf1c8",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7ab4c4c6bd8095700543646e07d71c11ac5b3e59239c7139a922e8a8bd254910",
+                        "s" : "0x334f3624ce9a6c5eb84b9fd9dcba4e63ea9433f6e5658995ad95067063da505b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0749132da076874c0fcd7ed0c2e2b5edd331be5a87261a729c93f2cca3ea13ff",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf4c2",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7610b3e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g1v0.json
index 140a20b90..95572b77b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g1v0Filler.json",
-            "sourceHash" : "06c6586dc5b10c481993a048f24d9c7f2ccb520d314f7fd174bb4d6d9fa79d57"
+            "sourceHash" : "d92542fbae9f3e0800a001634695a87c64006a47d08651fa30883c7697d5eb27"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x26e710ec80a09a6c809af6971c5ad9887f00feb8c71c6833c7e377facfcc574b",
-                    "mixHash" : "0x3e2b2b1bb740d7af30b222ac01d204ad4d0463c3f71ce9d984fc97aa7bc4c948",
-                    "nonce" : "0x562c74ef934faa59",
+                    "hash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x26e710ec80a09a6c809af6971c5ad9887f00feb8c71c6833c7e377facfcc574b",
+        "lastblockhash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g1v0Filler.json",
+            "sourceHash" : "d92542fbae9f3e0800a001634695a87c64006a47d08651fa30883c7697d5eb27"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5517d57927dc1de214f4cc74e914264deb53e91508ee220ac29c58914e952b31",
+                        "s" : "0x0a54502aadc39aaba6983ebd614474f2f7c61a550995b9e0c9d10612bf345489",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g2v0.json
index 62357854a..b1e96bc82 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g2v0Filler.json",
-            "sourceHash" : "32f5d3fb8028d0d37ec19df67b0e2950347393d448b25d342eb75208da0a1b95"
+            "sourceHash" : "3f4bbbc27fab8f1e5c03ac87926e1e7011773fb7d4f2670ecb924045a1634814"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x613df52d61bb8a890f88679769e4f201859af36718f382311347874214866b48",
-                    "mixHash" : "0x09d4bac3c76e5001807f748919783f2fbc7802a89f99436ffefb141aff3ce382",
-                    "nonce" : "0x30527fd2d4d5ad68",
+                    "hash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x613df52d61bb8a890f88679769e4f201859af36718f382311347874214866b48",
+        "lastblockhash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g2v0Filler.json",
+            "sourceHash" : "3f4bbbc27fab8f1e5c03ac87926e1e7011773fb7d4f2670ecb924045a1634814"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330",
+                        "s" : "0x33e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g3v0.json
index 2577bffed..85bf14eb6 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g3v0Filler.json",
-            "sourceHash" : "8d9f83fb203c5da7813fbd770129ac60fa2b5aa6f222c619b28b1e3ed2b48afd"
+            "sourceHash" : "1a4b5dd648d87a45d71cea1682616560a2eb42710056f322d1d96d8a6d8f220c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x5daaa9aa4ebe8d5ba31e1894c1fd882dcc9649b22090d9482973de3730cfe0fc",
-                    "mixHash" : "0x32f013efbbd8b550c2186b05b3cdd1878ed0234f421d9dee88dda43112914ca6",
-                    "nonce" : "0xd2290a888b0d05cc",
+                    "hash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5daaa9aa4ebe8d5ba31e1894c1fd882dcc9649b22090d9482973de3730cfe0fc",
+        "lastblockhash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_22000_d0g3v0Filler.json",
+            "sourceHash" : "1a4b5dd648d87a45d71cea1682616560a2eb42710056f322d1d96d8a6d8f220c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3c9c3c419e7596c339b357cbf3091c7fdb9045ed5c12cb751ac174d2560bc9cf",
+                        "s" : "0x17a6ba359a6d124814a6b3572bdda1711d99cca399dafb96e88190f810ae34a4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g0v0.json
index 8053d67a5..246d325d9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g0v0Filler.json",
-            "sourceHash" : "183634f759af2f54b90d32e06ea2cb672b676d668aa7c739dcab07390bff1da0"
+            "sourceHash" : "ee7334ca866075c404d43bd68cdabb8b26f98ed742f0aef0b4771601649e2e35"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xfd80",
-                    "hash" : "0xcd03baf181807de1bcecbe245408f9cca8b4416a4cc605ce47de526d2ce4c480",
-                    "mixHash" : "0x8cc4843127d8de0ddabf0a4362ff2abd95cd4500cde4df7e75be22e620e90432",
-                    "nonce" : "0xac305cb0f371586a",
+                    "hash" : "0xf4b500c5625a12369d089118effe384edd7367a2fb0c9d80b82e916f26ae9e78",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xf85ef3979754b7ecfd28d1ea2638a3080ebe3334eadd0777129541ab76ba07c0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4b8c1ca8619322db90567e0972416c3e3c94ec09960d0aa259ed521acb5f3d4d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90427f901f8a0386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0da124c513195f233630f447f4d969c561755b9ff3be8a058c190119637a61f98a04b8c1ca8619322db90567e0972416c3e3c94ec09960d0aa259ed521acb5f3d4da0f85ef3979754b7ecfd28d1ea2638a3080ebe3334eadd0777129541ab76ba07c0b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082fd808203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90228f90225010182fd8094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9761000000000000000000000000000000000000000000000000000000000000001ca0b1193ad06b88ad7ee55aa40eb8e8fff5565fb4a66e30070107f37398183201a1a0053fef5caa52d65ae04131bba584a16b7bca28961e1df152d114c2e8baf7d3d5c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcd03baf181807de1bcecbe245408f9cca8b4416a4cc605ce47de526d2ce4c480",
+        "lastblockhash" : "0xf4b500c5625a12369d089118effe384edd7367a2fb0c9d80b82e916f26ae9e78",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g0v0Filler.json",
+            "sourceHash" : "ee7334ca866075c404d43bd68cdabb8b26f98ed742f0aef0b4771601649e2e35"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xfd80",
+                    "hash" : "0x74c049ff3ae553de97cc79656fe4d55e8a5e937872c8885d0042fa72a9cb6f41",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xf85ef3979754b7ecfd28d1ea2638a3080ebe3334eadd0777129541ab76ba07c0",
+                    "stateRoot" : "0xe6587bb4243028890edd8deeb5c5685ba4c7cc79f7b8b760e33e9287fcd38a60",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4b8c1ca8619322db90567e0972416c3e3c94ec09960d0aa259ed521acb5f3d4d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xfd80",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xb1193ad06b88ad7ee55aa40eb8e8fff5565fb4a66e30070107f37398183201a1",
+                        "s" : "0x053fef5caa52d65ae04131bba584a16b7bca28961e1df152d114c2e8baf7d3d5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x74c049ff3ae553de97cc79656fe4d55e8a5e937872c8885d0042fa72a9cb6f41",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb007a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760ff86",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g1v0.json
index 6fb21c567..f4ca8d010 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g1v0Filler.json",
-            "sourceHash" : "8ea4b289e30c030d6b186c08212f687d9346d373cf9e34373380c22153570ab9"
+            "sourceHash" : "f32a9c08fa52a92ab3c1474e53fef1546b49be377bc467eb1031634ff9383088"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x69a2d0dd2b3ae25af4e83deb1970bf7460d0dcd9f2eeaea8d582671e07234476",
-                    "mixHash" : "0xac2b45f7643d65148651995075c3ccd0ff7cb29061323a4a940c1042ad939b93",
-                    "nonce" : "0x4aba016ece7939e3",
+                    "hash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x69a2d0dd2b3ae25af4e83deb1970bf7460d0dcd9f2eeaea8d582671e07234476",
+        "lastblockhash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g1v0Filler.json",
+            "sourceHash" : "f32a9c08fa52a92ab3c1474e53fef1546b49be377bc467eb1031634ff9383088"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5517d57927dc1de214f4cc74e914264deb53e91508ee220ac29c58914e952b31",
+                        "s" : "0x0a54502aadc39aaba6983ebd614474f2f7c61a550995b9e0c9d10612bf345489",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g2v0.json
index 09645d814..67386abfa 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g2v0Filler.json",
-            "sourceHash" : "799186b28faedd346358e2b5647a7deac2f8a6505419825e899ee57b9bbde248"
+            "sourceHash" : "6eed2e064167ba7821d903f84955f5b0b7c3d47abc196e4e74c707f1ee224d0f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x1d933911fa821568dcfc5f4719ef27259f4f5822268e179f77d17e230a77c5cd",
-                    "mixHash" : "0x0dd415deecc52f7b6bf842d0fc72946c9211eeba3112496ff55725cb2cb8d1a8",
-                    "nonce" : "0x86102ad96213dddb",
+                    "hash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1d933911fa821568dcfc5f4719ef27259f4f5822268e179f77d17e230a77c5cd",
+        "lastblockhash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g2v0Filler.json",
+            "sourceHash" : "6eed2e064167ba7821d903f84955f5b0b7c3d47abc196e4e74c707f1ee224d0f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330",
+                        "s" : "0x33e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g3v0.json
index b83865e77..d89e4768f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g3v0Filler.json",
-            "sourceHash" : "038f9c7fc864da6df294e1802855cc2fa2a07391dbcbe4b325f021e21c3b3159"
+            "sourceHash" : "93641333cc640445cd4c90d1b8b865bbf00f88a99b57a4a1d7d3eed00041fbb2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xbd6d5f9fea1413d85feb18e4cf03f885f879f472cd45c1e0b0a75cbb50df7933",
-                    "mixHash" : "0xa7f69b4a532d6cd4f6229ce29aee943b87aa65c0c78da1245956d51ee72f898d",
-                    "nonce" : "0x478d5ed8dd04f1d6",
+                    "hash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbd6d5f9fea1413d85feb18e4cf03f885f879f472cd45c1e0b0a75cbb50df7933",
+        "lastblockhash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_25000_d0g3v0Filler.json",
+            "sourceHash" : "93641333cc640445cd4c90d1b8b865bbf00f88a99b57a4a1d7d3eed00041fbb2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3c9c3c419e7596c339b357cbf3091c7fdb9045ed5c12cb751ac174d2560bc9cf",
+                        "s" : "0x17a6ba359a6d124814a6b3572bdda1711d99cca399dafb96e88190f810ae34a4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401ea056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037600161034061014051610160600060056305f5e0fff11558576001610320526103206021806103808284600060046015f150505061038080516020820120905060005561038060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g0v0.json
index 5dbc4ffb2..0397acb12 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g0v0Filler.json",
-            "sourceHash" : "445801b74f517ea35bda15fe36f489ddc966ece470c7a6a74604833ea426a68f"
+            "sourceHash" : "4f224e49200e758e05a7c8430e8e4a4dce89afb819bb43804fccf40a9a096b4d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x012490",
-                    "hash" : "0xee84c596b6b9228ffaf1e2a81fa06af109cf3547f4cf513cf4f6e73bf38ea365",
-                    "mixHash" : "0x6bd8d0dd062f5be03b7719557dd38ddc0ef87cf448eb4bdde0a6caab972e3ce6",
-                    "nonce" : "0xcd53be103de40a14",
+                    "hash" : "0x2ec96e0a9ed6fb31815222792249324ef42e8d0098a7341c4e76952c5d10f522",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xf1112e559b3c89ccad1c1f59bc7e8077f36657c23a72bc5f0f2ed46fe09593a1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc55631d3d8fdee455f9b762d06141dde84e8d2cbffeb3c370f98e517248f6ddb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xee84c596b6b9228ffaf1e2a81fa06af109cf3547f4cf513cf4f6e73bf38ea365",
+        "lastblockhash" : "0x2ec96e0a9ed6fb31815222792249324ef42e8d0098a7341c4e76952c5d10f522",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g0v0Filler.json",
+            "sourceHash" : "4f224e49200e758e05a7c8430e8e4a4dce89afb819bb43804fccf40a9a096b4d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x012490",
+                    "hash" : "0x3debd501c58bd99859f461253091d9a1ea32730a8100aef891fe7362e63e2f19",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xf1112e559b3c89ccad1c1f59bc7e8077f36657c23a72bc5f0f2ed46fe09593a1",
+                    "stateRoot" : "0x57fd96d79eb5669b5e7282b345f53835d02cc5baed651486619134372aedbba9",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc55631d3d8fdee455f9b762d06141dde84e8d2cbffeb3c370f98e517248f6ddb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x012490",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x01497e8b88ef95cb72cdd7633cde1c763d8e38400db09b031801bfda3b4ee90c",
+                        "s" : "0x5dca9501dfea84232562eb78ce08c799c35dfc7645644660d8956379e8277f6b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3debd501c58bd99859f461253091d9a1ea32730a8100aef891fe7362e63e2f19",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb278a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760d876",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g1v0.json
index 41be4d19a..90f2a9b59 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g1v0Filler.json",
-            "sourceHash" : "499a0b3d9cd5f8920c74fdd102cc6402166d0e6f5ae937b24440894ef85dfd6b"
+            "sourceHash" : "24ae0e2d2c647285501db4555a28961e5ddb5106ba852b9dc42c594851935905"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x5bc92122eb7d7fb6f5506c43861b552141daf8d713061c48523b20bfd91fd6c2",
-                    "mixHash" : "0xf5c6cd903568d6614079258343d3398a3e680ac7a195115c0d91aa91e31deb43",
-                    "nonce" : "0x1787aa95b3893665",
+                    "hash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5bc92122eb7d7fb6f5506c43861b552141daf8d713061c48523b20bfd91fd6c2",
+        "lastblockhash" : "0x39bd6c112949d8b8a31bfb93b8064b69e4d0b8913ee8879b38ae65843cff03f1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g1v0Filler.json",
+            "sourceHash" : "24ae0e2d2c647285501db4555a28961e5ddb5106ba852b9dc42c594851935905"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xcbfd65095192abef6622d9084860a11a1574c73599a03b066a2df7466e18e81d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x48529a93e454ac12ccd3f305afad41b28947d7b056a9015074cc04899e114d80",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5517d57927dc1de214f4cc74e914264deb53e91508ee220ac29c58914e952b31",
+                        "s" : "0x0a54502aadc39aaba6983ebd614474f2f7c61a550995b9e0c9d10612bf345489",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4e1d570b3e836f57017321d1505dc3e5427b274e5f1bb0e6671723f665b09e77",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g2v0.json
index 66b88a79b..163e24188 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g2v0Filler.json",
-            "sourceHash" : "d67600e0c2c9ca770c4b319f4abe518b359daa929c586396ffc8b5dfaeff3d6c"
+            "sourceHash" : "f3aa903c37a301e7707f2d5e33cc59cddde5894e3be020d68ad19f46d49d1c2c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0xa65861eda667723c84e28a0226cf57d90d7654fe47eabefbb9a7bb1a492c28e4",
-                    "mixHash" : "0x527c63b85299729792e253a0058f55207f699cfe0889220bd40c8e96572f6fea",
-                    "nonce" : "0x2358a37ea3ec81a5",
+                    "hash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa65861eda667723c84e28a0226cf57d90d7654fe47eabefbb9a7bb1a492c28e4",
+        "lastblockhash" : "0x6b8fa151da1025c7b570189b07655ef090d8c4f78ae6adeb406ddab9970fd0a6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g2v0Filler.json",
+            "sourceHash" : "f3aa903c37a301e7707f2d5e33cc59cddde5894e3be020d68ad19f46d49d1c2c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x52c725178232d96c971a4b70c0b75819989e02ae3871d19805fdd0d90a805e23",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8a6eb133d85aaa9964757980b9971c710080ad8808808f48a0300aae064183ae",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf4cb226318923c731c794b3879434fc3edbf770d094041ee802276516c0b5330",
+                        "s" : "0x33e84bed6d13e0f255c58916f19f88b8dc076ba95b616095475cb7fe7d06073e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbf6be675369f6cbb0ea6853317f42b63e021399a60b9a65c3976cbf33d2762e9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g3v0.json
index 20c018969..b090a2ec3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_37120_37111_97_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g3v0Filler.json",
-            "sourceHash" : "b86f3057e341b6c828c1273643f76173040b82d4eca3e87a6d6aabbab2d6f1b6"
+            "sourceHash" : "1ace8a91154f4caa963cd5c3f133532318d7a46e4f05326de18bdeeb3d3987f4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xe916f78704cc8f6bbeb09b2f585c0149cb29eba9a0243cb8a84a736731bfb5ee",
-                    "mixHash" : "0xf5451f4e2f033e93298214f4df14c25bc434b72390fb4d8a31e01968a579ea05",
-                    "nonce" : "0x62d5853c8a1e053b",
+                    "hash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe916f78704cc8f6bbeb09b2f585c0149cb29eba9a0243cb8a84a736731bfb5ee",
+        "lastblockhash" : "0xe319ab69d98bc6cb0aa901819c8af5ed5e71b96a1d507f750ea64388e5961a34",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_37120_37111_97_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_37120_37111_97_35000_d0g3v0Filler.json",
+            "sourceHash" : "1ace8a91154f4caa963cd5c3f133532318d7a46e4f05326de18bdeeb3d3987f4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xd01d550c5dfbe682d6ae04fd64f48245a66f4fee8cdbf07d65d0fb3630217802",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x16e0cf2f03174ffc8cae7b4b6bf25f1f6a0113aa75c42031919fb4cc568d52cb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da00000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000161000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000001ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa0ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff976100000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x3c9c3c419e7596c339b357cbf3091c7fdb9045ed5c12cb751ac174d2560bc9cf",
+                        "s" : "0x17a6ba359a6d124814a6b3572bdda1711d99cca399dafb96e88190f810ae34a4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x386d22561f5943f7fbeb0b470698495875c6ee00830b0463f88bcccbca717c89",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcef8f431270393de1dead56a74b2fb6c7ce4299c18ca642c9bcf9496bcd5401e",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x982d926c5ca79d3d030d3de5489e6600b73f0cb90269f5e70f38f3c14958fe11",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g0v0.json
index 86cf9b90b..9da5dd4bd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g0v0Filler.json",
-            "sourceHash" : "e7480780874eb9ea4babf0e30f4607e3c071fa9e528dcce850f2e09436e9d2bf"
+            "sourceHash" : "df435915dd5f9e560d1dd4d09ecee37f2e740328c0ebc1b9f3cc0da9e5ce2300"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x66ce0fd3fd6024368d349c3130e6139ed0cc0b1c02327e1c54a7cfff7d57c833",
-                    "mixHash" : "0x1b2e1604cd7d2219ee45472f25edd7d375a4419407517aa776d83b273bc7b0c8",
-                    "nonce" : "0x0d443cacde9f908e",
+                    "hash" : "0xbbf1921c08cdf194620f37b8adfa0cca335e637857a7a21043e67905afda2907",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9d7a51c0efa32aa9dfc00f2bb92424ccf11278498af911e252659b0aa7550607",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x66ce0fd3fd6024368d349c3130e6139ed0cc0b1c02327e1c54a7cfff7d57c833",
+        "lastblockhash" : "0xbbf1921c08cdf194620f37b8adfa0cca335e637857a7a21043e67905afda2907",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g0v0Filler.json",
+            "sourceHash" : "df435915dd5f9e560d1dd4d09ecee37f2e740328c0ebc1b9f3cc0da9e5ce2300"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x228a33b76f28e65bd1180515f6dca7b0fadfd2e0cca4aa41cdba37c2c0ad4ac6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9d7a51c0efa32aa9dfc00f2bb92424ccf11278498af911e252659b0aa7550607",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x0fa318",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc0b48af8ffe428376f95a073fa836effdcbc6d9b5b274546cbf8db08d70f62f6",
+                        "s" : "0x4245019488a03813c6c2084a15270f4948adfe86610980c5032afb60f282d19a",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x228a33b76f28e65bd1180515f6dca7b0fadfd2e0cca4aa41cdba37c2c0ad4ac6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602061028061014051610160600060056305f5e0fff11558576020610260526102606040806102c08284600060046018f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g1v0.json
index b504e7d83..3561c9ef0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g1v0Filler.json",
-            "sourceHash" : "f627ccd472fe19be99bb4094966b9698795d01fa9c09172479d8487ac59a53f2"
+            "sourceHash" : "5292e1137e6ac49dd0b4eca11f8f35060255169c55da3a9ec9540a2d94d5f607"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x169d18b243779bc2a8d18902ba7773c2cdb866fe674ca50f39fd8dfee6138bdd",
-                    "mixHash" : "0x1f218182759018807b6b5a89924ed473b6f3ad38b8786be841e2fc2bb6021022",
-                    "nonce" : "0x0b42ddc91e42974d",
+                    "hash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90368f901f8a02e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0e7d785fc60374abda80b0ddda54e02b60b90559a63418769c6fa3a0d22fef417a0f049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37aa015385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082b6948203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90169f90166010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db8810000000000000000000000000000000000000000000000000000000000001ba02946fc6e5c11e1ee27d593cfa5c580b73aff2af9b4de5375e5cf1f9f49617730a00e402a918caedd55641d7cc4beb7d642388bf5c8627b4f54d6766b7746421274c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db881000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x169d18b243779bc2a8d18902ba7773c2cdb866fe674ca50f39fd8dfee6138bdd",
+        "lastblockhash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g1v0Filler.json",
+            "sourceHash" : "5292e1137e6ac49dd0b4eca11f8f35060255169c55da3a9ec9540a2d94d5f607"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2946fc6e5c11e1ee27d593cfa5c580b73aff2af9b4de5375e5cf1f9f49617730",
+                        "s" : "0x0e402a918caedd55641d7cc4beb7d642388bf5c8627b4f54d6766b7746421274",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g2v0.json
index 9e92ab402..6579726fd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g2v0Filler.json",
-            "sourceHash" : "745a4dd8c34c160b731a63dbb90bf7129325ae2853a4cfa73015eb9c426eb242"
+            "sourceHash" : "e6efca40e9403581276d7a1f7ff27f4c8d49783d510481c73995b53925ded46e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0xfe3d025fd368b9e7e09b5a3b60960d2e0faee903f834da685ea9596411dc9736",
-                    "mixHash" : "0xa06a8fe824a2aae73a85fde3489d024384dd1ac3ef67dd5283ade47e0fcb489b",
-                    "nonce" : "0x3a8ddd7b13268927",
+                    "hash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xfe3d025fd368b9e7e09b5a3b60960d2e0faee903f834da685ea9596411dc9736",
+        "lastblockhash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g2v0Filler.json",
+            "sourceHash" : "e6efca40e9403581276d7a1f7ff27f4c8d49783d510481c73995b53925ded46e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc61dbdda0fbd50f7af7381306bf74862cf724a98c0d1adb893d06efe7ad18d98",
+                        "s" : "0x707374d93a44918cb72d7bbd6b59c57042fb81f4f34908e692d42ad07438fe1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g3v0.json
index 1d206c32d..b06f863df 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g3v0Filler.json",
-            "sourceHash" : "12eb33ad8032749368e38ae20f14b78a74a6f42e02e54f5da8eace5fe6a6118f"
+            "sourceHash" : "0b1e52d889a21e71d7557e2b117514742d6d5c99acb062a24338ce549be8d485"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x07e956ec40e4106a413b300f64a9bd70eb9fa3d97d234220003cbc941f76ffa0",
-                    "mixHash" : "0x573935d4941bdde34ea4126222c2c3f37ddbd9b7fcdcadc85ab5d46c484312ed",
-                    "nonce" : "0xd3aacfacb134f192",
+                    "hash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90368f901f8a02e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0e7d785fc60374abda80b0ddda54e02b60b90559a63418769c6fa3a0d22fef417a0a0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858a015385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082b6948203e880a0573935d4941bdde34ea4126222c2c3f37ddbd9b7fcdcadc85ab5d46c484312ed88d3aacfacb134f192f90169f90166010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db8810000000000000000000000000000000000000000000000000000000000001ca09d662bf31ee1c897f0750c8bfa3fd41c6125dd526944acb0550816c73a53f2d4a0620cdd2385fc58ba7515873d051a07b5267f19d6a6cd67fab0ce79c184a4f73fc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x07e956ec40e4106a413b300f64a9bd70eb9fa3d97d234220003cbc941f76ffa0",
+        "lastblockhash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_1000000_d0g3v0Filler.json",
+            "sourceHash" : "0b1e52d889a21e71d7557e2b117514742d6d5c99acb062a24338ce549be8d485"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9d662bf31ee1c897f0750c8bfa3fd41c6125dd526944acb0550816c73a53f2d4",
+                        "s" : "0x620cdd2385fc58ba7515873d051a07b5267f19d6a6cd67fab0ce79c184a4f73f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g0v0.json
index f50cf26f1..22bccea06 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g0v0Filler.json",
-            "sourceHash" : "7b41daccb9514021a44169f06f89dfedfdca37db1086818246b998a81e51608e"
+            "sourceHash" : "446487756dca01f4cf6eaf8c58476d173f721d7bbd655d9ed09f4885d04f4ecd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x138ba0aecf8a3d98112125c83c2e9053c2766f907a878648226bd6cc8d33cebf",
-                    "mixHash" : "0xc15fcd9cdcf710ac25b1dc1d1e0ebb4a675a377ae4d45dae582dc54d8583763c",
-                    "nonce" : "0xb00d2839398ce8bf",
+                    "hash" : "0x426bb556496a96fd1763ad68ea0e150cc60fb28eed03cd9fff1f1e5768f6555c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x97ee86d6d2d02d00c4d26fc2c5c4b92b11c1a0505d9057464a63aba553ad0c3d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x138ba0aecf8a3d98112125c83c2e9053c2766f907a878648226bd6cc8d33cebf",
+        "lastblockhash" : "0x426bb556496a96fd1763ad68ea0e150cc60fb28eed03cd9fff1f1e5768f6555c",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g0v0Filler.json",
+            "sourceHash" : "446487756dca01f4cf6eaf8c58476d173f721d7bbd655d9ed09f4885d04f4ecd"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x7246e45a51f89ce371e917124260fadf0ac1e14aa64c228d4be93e36c79740b4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x97ee86d6d2d02d00c4d26fc2c5c4b92b11c1a0505d9057464a63aba553ad0c3d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x02be50",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xdc47131583137410670323c7ac50f27e75fb73f9f698063e922493a2bd9435ae",
+                        "s" : "0x7ee68c3a9a072d1b837c41e3415e216611e49bee8664f408e93b679a2102defc",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7246e45a51f89ce371e917124260fadf0ac1e14aa64c228d4be93e36c79740b4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602061028061014051610160600060056305f5e0fff11558576020610260526102606040806102c08284600060046018f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g1v0.json
index 1b9f5c250..6dcc4ed6c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g1v0Filler.json",
-            "sourceHash" : "f002c5f87defdcd51559d53a6e40db015d3e3341ed87f85f123e29be7132f731"
+            "sourceHash" : "912c6119082e2eb8be9baf4642206c56ff88343f884d4a189105c90b0267bc58"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0xb66b46e7b1907ed8a4b046908a260339415bfa58fc044616c128053abc197be4",
-                    "mixHash" : "0x6dfbe72a27d2bd1a571c3c118873187514e3557d04fc176fcaded0d47ee6287f",
-                    "nonce" : "0xc95982dfba04aaa8",
+                    "hash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90368f901f8a02e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0e7d785fc60374abda80b0ddda54e02b60b90559a63418769c6fa3a0d22fef417a0f049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37aa015385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082b6948203e880a06dfbe72a27d2bd1a571c3c118873187514e3557d04fc176fcaded0d47ee6287f88c95982dfba04aaa8f90169f90166010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db8810000000000000000000000000000000000000000000000000000000000001ba02946fc6e5c11e1ee27d593cfa5c580b73aff2af9b4de5375e5cf1f9f49617730a00e402a918caedd55641d7cc4beb7d642388bf5c8627b4f54d6766b7746421274c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb66b46e7b1907ed8a4b046908a260339415bfa58fc044616c128053abc197be4",
+        "lastblockhash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g1v0Filler.json",
+            "sourceHash" : "912c6119082e2eb8be9baf4642206c56ff88343f884d4a189105c90b0267bc58"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db881000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2946fc6e5c11e1ee27d593cfa5c580b73aff2af9b4de5375e5cf1f9f49617730",
+                        "s" : "0x0e402a918caedd55641d7cc4beb7d642388bf5c8627b4f54d6766b7746421274",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g2v0.json
index 2f3c08fb4..8f8bdbeb5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g2v0Filler.json",
-            "sourceHash" : "f4e99411e8b54df403f933159f5b54bc2ab224c6a205c861c5c3a67f47980510"
+            "sourceHash" : "d074b1281428ed62067573c60c70e519ad6dfc4d4a948081bb05420963c5ef29"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x1a6976b96db7272ce80801c898eb34886c63a400165d8d6692c79fc50c93ebd6",
-                    "mixHash" : "0x2e4ed63aefe50bbf954669b558a47e55eac47fb60868bceb32d85ce39fb6d92c",
-                    "nonce" : "0xd5a14d068421a54c",
+                    "hash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1a6976b96db7272ce80801c898eb34886c63a400165d8d6692c79fc50c93ebd6",
+        "lastblockhash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g2v0Filler.json",
+            "sourceHash" : "d074b1281428ed62067573c60c70e519ad6dfc4d4a948081bb05420963c5ef29"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc61dbdda0fbd50f7af7381306bf74862cf724a98c0d1adb893d06efe7ad18d98",
+                        "s" : "0x707374d93a44918cb72d7bbd6b59c57042fb81f4f34908e692d42ad07438fe1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g3v0.json
index 992033fd6..7ca5d23fe 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g3v0Filler.json",
-            "sourceHash" : "5690a2852b81d1b4e3b18b0e3bb8bae1b107cc13cf8ef444763e6b834a2453db"
+            "sourceHash" : "7b438250eb116f3eeb7864c7a633d16a6d3b39dae11ec9f7693c837c8f212dc6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x415f645336c47c9ffe02414adc47a5213647c2ecc19c63b447edfd70c235dd55",
-                    "mixHash" : "0xfa83bb44fd8b093ad44f17d76d396344caec303207bffff29daea71046bbfa09",
-                    "nonce" : "0x75313cb66cc3bd9d",
+                    "hash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x415f645336c47c9ffe02414adc47a5213647c2ecc19c63b447edfd70c235dd55",
+        "lastblockhash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_155000_d0g3v0Filler.json",
+            "sourceHash" : "7b438250eb116f3eeb7864c7a633d16a6d3b39dae11ec9f7693c837c8f212dc6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9d662bf31ee1c897f0750c8bfa3fd41c6125dd526944acb0550816c73a53f2d4",
+                        "s" : "0x620cdd2385fc58ba7515873d051a07b5267f19d6a6cd67fab0ce79c184a4f73f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g0v0.json
index 33c1ebb8d..1b85a72bc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g0v0Filler.json",
-            "sourceHash" : "fb9aaf48794412a46a876899c12f5e48245366f2b8e6dbeb1c33a4f7179a180e"
+            "sourceHash" : "a5490ec2dc8dd928ce420924b2ab31e26fea053451f7e035b8275e6d918c96e7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb0ec",
-                    "hash" : "0xc1df46148bf63b9174dfa104ae6772b94ba66dd5e8ed27aba7e6bc7a8107be96",
-                    "mixHash" : "0x3805c884fc5a3cc529d78fc5cf99167f10e1dd677fb1369110245ca8013a55d0",
-                    "nonce" : "0xf5bdc52144977c33",
+                    "hash" : "0xdff7ee7c5a9398266f8063578b136fb86142ab226c6859403d329906d1144842",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0xb26eef388d1a44ec4ead9c454c6424a235c8d995d778462e4ed234c55ecf0ca9",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd9fc1a41d130d610076005be9701ed9c38ff39fbfa54991e2d1a6517cabe4244",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc1df46148bf63b9174dfa104ae6772b94ba66dd5e8ed27aba7e6bc7a8107be96",
+        "lastblockhash" : "0xdff7ee7c5a9398266f8063578b136fb86142ab226c6859403d329906d1144842",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g0v0Filler.json",
+            "sourceHash" : "a5490ec2dc8dd928ce420924b2ab31e26fea053451f7e035b8275e6d918c96e7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb0ec",
+                    "hash" : "0xf3410264889bee6fb4c783a990131a6db3104761c5830b1b9d2f2d5385dd98ad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0xb26eef388d1a44ec4ead9c454c6424a235c8d995d778462e4ed234c55ecf0ca9",
+                    "stateRoot" : "0xd9c0f15a05dd2ffdd626994d31b6be18097ac6409335d10d4705ae52656a6f1c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd9fc1a41d130d610076005be9701ed9c38ff39fbfa54991e2d1a6517cabe4244",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0xb0ec",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xa32e2cf5c77dab2f09704ff130eab84eba5235dd3fa13a66bbbf1025b575b3e5",
+                        "s" : "0x449f9c516633b362c181dc2b34d7b5c02f5fcead0e285ceffc99c14b170322d0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf3410264889bee6fb4c783a990131a6db3104761c5830b1b9d2f2d5385dd98ad",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab2da",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614d26",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602061028061014051610160600060056305f5e0fff11558576020610260526102606040806102c08284600060046018f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g1v0.json
index 70eb9ab9a..fb5db2f6d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g1v0Filler.json",
-            "sourceHash" : "9095383a0e1d1defeb28a26aaaab62e5a32400707a42a113cd5c0d7cb52e097c"
+            "sourceHash" : "73ccf18e82a15fe70e80399e221694cc063e5bba01fb8cad890bf8d0390f1ce5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0xef635ce9709c2664ba56b85886850e356f58767e9d91662ef12dc08c0f5b842c",
-                    "mixHash" : "0x7b35f7b87dda1bd742ff2a6ce5bda60d047b49ceaf4e0e4e8f79e99629f50c9e",
-                    "nonce" : "0xd720f55a5a92426e",
+                    "hash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0f7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xef635ce9709c2664ba56b85886850e356f58767e9d91662ef12dc08c0f5b842c",
+        "lastblockhash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g1v0Filler.json",
+            "sourceHash" : "73ccf18e82a15fe70e80399e221694cc063e5bba01fb8cad890bf8d0390f1ce5"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2946fc6e5c11e1ee27d593cfa5c580b73aff2af9b4de5375e5cf1f9f49617730",
+                        "s" : "0x0e402a918caedd55641d7cc4beb7d642388bf5c8627b4f54d6766b7746421274",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g2v0.json
index 3cf0dd669..f63a8748d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g2v0Filler.json",
-            "sourceHash" : "91e8beb595e4f754da56646ccc38ddb99baa0996f5c40b67c5783db5663dc141"
+            "sourceHash" : "201a30380def331270055d1749ba7669e63f97642caecbe1a567b3492728b731"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0xe74aec1b33d752c13ef6a499405b3e4086df9293aac394e93ffdd218dd25370f",
-                    "mixHash" : "0x56392e291383ee8ff1b38aa9a01cc96e68b4f5b55233feace388d9e557ea0191",
-                    "nonce" : "0x945da093a7352b34",
+                    "hash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe74aec1b33d752c13ef6a499405b3e4086df9293aac394e93ffdd218dd25370f",
+        "lastblockhash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g2v0Filler.json",
+            "sourceHash" : "201a30380def331270055d1749ba7669e63f97642caecbe1a567b3492728b731"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc61dbdda0fbd50f7af7381306bf74862cf724a98c0d1adb893d06efe7ad18d98",
+                        "s" : "0x707374d93a44918cb72d7bbd6b59c57042fb81f4f34908e692d42ad07438fe1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g3v0.json
index 8b99fd9b4..6ae65fa9f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g3v0Filler.json",
-            "sourceHash" : "8f5dd00783f7557c9f2d29196877073a52e79fe641b8cb13a2e476947008931a"
+            "sourceHash" : "c56668cc1005d81dc5989f354284ad40c0804563f5d89f088f6fc1fc679b1e96"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x4aa997f0d7ff777437515b8402e9a2dbf5854611c5a2e82b4b1bb0e34fb7eefc",
-                    "mixHash" : "0xbc8a22335c08c40487f2e405ab16872a366ece4eb0be8029eb5446a1402899e6",
-                    "nonce" : "0xca0fe79a0f2c626b",
+                    "hash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4aa997f0d7ff777437515b8402e9a2dbf5854611c5a2e82b4b1bb0e34fb7eefc",
+        "lastblockhash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_20500_d0g3v0Filler.json",
+            "sourceHash" : "c56668cc1005d81dc5989f354284ad40c0804563f5d89f088f6fc1fc679b1e96"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db881000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9d662bf31ee1c897f0750c8bfa3fd41c6125dd526944acb0550816c73a53f2d4",
+                        "s" : "0x620cdd2385fc58ba7515873d051a07b5267f19d6a6cd67fab0ce79c184a4f73f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g0v0.json
index 01caf0895..17fc98109 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g0v0Filler.json",
-            "sourceHash" : "25575e34a86e8290dd66ead83b6f5b1c927184af0d48028f366193e4834d13fc"
+            "sourceHash" : "a475e58ec090795f17b7a689ffe9a72d07c20a6d3237a1b71c5b286a689ecf36"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x60c16ad5406e683a6085a4a0fa09d46fe3484df3813a82fa16f7091665d96a5e",
-                    "mixHash" : "0x53ee0004a316dddfba1ed50c3bbc75d335b1e68268579a8e1f92c0f20fd7f763",
-                    "nonce" : "0x3ab8d22aa0f4132e",
+                    "hash" : "0x593c88b42ef593f29944fadbb65b5289416c751b9d697b2997c5eaa6b441fd67",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9b4f7dfbd131b0d2c02c533d7c6f9a0b421a9b12387763b62e53a0d5923a917b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x60c16ad5406e683a6085a4a0fa09d46fe3484df3813a82fa16f7091665d96a5e",
+        "lastblockhash" : "0x593c88b42ef593f29944fadbb65b5289416c751b9d697b2997c5eaa6b441fd67",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g0v0Filler.json",
+            "sourceHash" : "a475e58ec090795f17b7a689ffe9a72d07c20a6d3237a1b71c5b286a689ecf36"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x781290d876a732855bbecd685671f8fc0f52631089db615d832d42cfa6fe3b12",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9b4f7dfbd131b0d2c02c533d7c6f9a0b421a9b12387763b62e53a0d5923a917b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0xb6c8",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x65d3fb5f698b3e712aadd5f2c3a71a3f75d1529b106cca5678954045ffbb97e3",
+                        "s" : "0x4bcbb2ebc699971398f882e06fb84dc9bbf5ab5cd2565a3e07d30d9db773d330",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x781290d876a732855bbecd685671f8fc0f52631089db615d832d42cfa6fe3b12",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g1v0.json
index faefcdd0a..a716478fb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g1v0Filler.json",
-            "sourceHash" : "2361f6b0c8e5c2032746e2841ac883b71c67b035ef5fca22cb0719fef7c856d9"
+            "sourceHash" : "5bb48616878b88681a201028d73e00338d42ab9c71f37d80d43fbe4009d3bae6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0xb7ae0546c7d09db658ad0fb8f6d663da2cf64157c0a187fe262ec8955732c536",
-                    "mixHash" : "0x049e7c7c96dd635810c8d4a0051014e1e605bd45db5e6775b91967370a78a3ef",
-                    "nonce" : "0x4d17b85e26daafbd",
+                    "hash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb7ae0546c7d09db658ad0fb8f6d663da2cf64157c0a187fe262ec8955732c536",
+        "lastblockhash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g1v0Filler.json",
+            "sourceHash" : "5bb48616878b88681a201028d73e00338d42ab9c71f37d80d43fbe4009d3bae6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2946fc6e5c11e1ee27d593cfa5c580b73aff2af9b4de5375e5cf1f9f49617730",
+                        "s" : "0x0e402a918caedd55641d7cc4beb7d642388bf5c8627b4f54d6766b7746421274",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g2v0.json
index 4726050db..f67a35e7b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g2v0Filler.json",
-            "sourceHash" : "0385bec84595e955b0ecbdaa6895476ad04452f49b28fb52f90357316aab10ca"
+            "sourceHash" : "9425bb992ca654b9bc75f6bb46c6298d4df386533691ef665b0ed1e870a171d1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x4864e9513bfa252809934567153c0d29815b9812d6c852404db9346b6bbd9741",
-                    "mixHash" : "0x55e57926fc13b9e80957b22767217e19a3929ac73b90e201c26599c3661b9373",
-                    "nonce" : "0xfe29e4521c3ce03a",
+                    "hash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4864e9513bfa252809934567153c0d29815b9812d6c852404db9346b6bbd9741",
+        "lastblockhash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g2v0Filler.json",
+            "sourceHash" : "9425bb992ca654b9bc75f6bb46c6298d4df386533691ef665b0ed1e870a171d1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc61dbdda0fbd50f7af7381306bf74862cf724a98c0d1adb893d06efe7ad18d98",
+                        "s" : "0x707374d93a44918cb72d7bbd6b59c57042fb81f4f34908e692d42ad07438fe1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g3v0.json
index ef90ce997..05b74aecb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g3v0Filler.json",
-            "sourceHash" : "1bb3e33db438493d6874b3905286dc4fdf63e23e5c1be92d26507b4d758345bc"
+            "sourceHash" : "fc03af9a04db6f132cbdcfc81496e5f4493ecdf4caa586769cd9fdc9ffce61ff"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x092d4dc363659a17cff6cf416bc3b5e338103e8ebf3e9e57d292b05def9bc411",
-                    "mixHash" : "0x107e7aec356ab8823f20a20fecc12989199ceda3d6450dae186b0ddbd7f27225",
-                    "nonce" : "0xa23306c5f42c8e4a",
+                    "hash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90368f901f8a02e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0e7d785fc60374abda80b0ddda54e02b60b90559a63418769c6fa3a0d22fef417a0a0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858a015385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082b6948203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90169f90166010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db8810000000000000000000000000000000000000000000000000000000000001ca09d662bf31ee1c897f0750c8bfa3fd41c6125dd526944acb0550816c73a53f2d4a0620cdd2385fc58ba7515873d051a07b5267f19d6a6cd67fab0ce79c184a4f73fc0",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x092d4dc363659a17cff6cf416bc3b5e338103e8ebf3e9e57d292b05def9bc411",
+        "lastblockhash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_22000_d0g3v0Filler.json",
+            "sourceHash" : "fc03af9a04db6f132cbdcfc81496e5f4493ecdf4caa586769cd9fdc9ffce61ff"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9d662bf31ee1c897f0750c8bfa3fd41c6125dd526944acb0550816c73a53f2d4",
+                        "s" : "0x620cdd2385fc58ba7515873d051a07b5267f19d6a6cd67fab0ce79c184a4f73f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602061028061014051610160600060056305f5e0fff11558576020610260526102606040806102c08284600060046018f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g0v0.json
index b3d81b983..5c0fd4348 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g0v0Filler.json",
-            "sourceHash" : "eacff43225221ac0f3604986343d79069bf9687b4e1c47904c41e3eb20869bdc"
+            "sourceHash" : "6235a80d0c804c620d4d966f005dc5160eae22fc4fe9ee1ccc72fa717bc77877"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0xb8084a8ffb0d6631d172dfa4392de7253795f8da8af82b00da36dba1c8398c39",
-                    "mixHash" : "0xfbcf1d828b2001c5b7d97e797207f6b1b56a8602954ce048be4e685d2b42c72e",
-                    "nonce" : "0x250dc6e544405599",
+                    "hash" : "0x7710bd3c2eb3e99729ae39062505ca9e861168eb8ff13b175a49292b2b12dd01",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xce8e41b9d02e132cff0496783078512d9b93991c0d24612636fb320eac314716",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb8084a8ffb0d6631d172dfa4392de7253795f8da8af82b00da36dba1c8398c39",
+        "lastblockhash" : "0x7710bd3c2eb3e99729ae39062505ca9e861168eb8ff13b175a49292b2b12dd01",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g0v0Filler.json",
+            "sourceHash" : "6235a80d0c804c620d4d966f005dc5160eae22fc4fe9ee1ccc72fa717bc77877"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x3bd4f8de4cdf5be90619ec9de5ee1c0babc7beb01eb49092f8879bb19fa5f4cc",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xce8e41b9d02e132cff0496783078512d9b93991c0d24612636fb320eac314716",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0xc280",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5416848fc8b5ffea579588df1281c251608a54c28c91595f9fd04db63b0c492b",
+                        "s" : "0x65235a6908604369aca58aec2283e6b8437e2967ef9781c338447f3df2089d81",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3bd4f8de4cdf5be90619ec9de5ee1c0babc7beb01eb49092f8879bb19fa5f4cc",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g1v0.json
index 2c01845a0..340b29106 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g1v0Filler.json",
-            "sourceHash" : "d8e946ca7743e09d0ae14853f6364298d1ce48f48153fe94419063fdeb9aa07c"
+            "sourceHash" : "a65a6c4c7c92ff608b8c0fccef26d53fa33937ba5d98bdd4cadfb85904d1e847"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x0ccc9405316819117fd4cd323eb64f1015e0cdbbe12ad1c8588fe1c0607afebe",
-                    "mixHash" : "0x9b352328c8fd40c6c7d9d6b79a0e16b86f1324c080b020013a5a458fcf276b38",
-                    "nonce" : "0x64bde4a1d6e34c1a",
+                    "hash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0ccc9405316819117fd4cd323eb64f1015e0cdbbe12ad1c8588fe1c0607afebe",
+        "lastblockhash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g1v0Filler.json",
+            "sourceHash" : "a65a6c4c7c92ff608b8c0fccef26d53fa33937ba5d98bdd4cadfb85904d1e847"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf049d829afebde9a888eb1acf0331ac13bd1bdfd8d43c314274c019afd58f37a",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db881000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2946fc6e5c11e1ee27d593cfa5c580b73aff2af9b4de5375e5cf1f9f49617730",
+                        "s" : "0x0e402a918caedd55641d7cc4beb7d642388bf5c8627b4f54d6766b7746421274",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9c1e19558a3a8595b492905c227cd6b1445baa5681f2727601215db82b8491f0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602061028061014051610160600060056305f5e0fff11558576020610260526102606040806102c08284600060046018f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g2v0.json
index d362992ae..95c2b939f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g2v0Filler.json",
-            "sourceHash" : "a59969916ba890503566733f5c8dd8dd2edbd9b2c203763b8d45fb9bbaa5c8a3"
+            "sourceHash" : "f585c6b184035eabbd09654c74a4b969a41863b87b6f9226e84e8bfe8d1fcf4e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x646dc969c7028b966b8242c23917d5827f528be69ec631957e4f23332bb39185",
-                    "mixHash" : "0x8bb4da73341419b748ccc9c5e0655134474421aa43ff5c522f04ccbd433c0ded",
-                    "nonce" : "0x64503e0d8666fd9c",
+                    "hash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x646dc969c7028b966b8242c23917d5827f528be69ec631957e4f23332bb39185",
+        "lastblockhash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g2v0Filler.json",
+            "sourceHash" : "f585c6b184035eabbd09654c74a4b969a41863b87b6f9226e84e8bfe8d1fcf4e"
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+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
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+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
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+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc61dbdda0fbd50f7af7381306bf74862cf724a98c0d1adb893d06efe7ad18d98",
+                        "s" : "0x707374d93a44918cb72d7bbd6b59c57042fb81f4f34908e692d42ad07438fe1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
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+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602061028061014051610160600060056305f5e0fff11558576020610260526102606040806102c08284600060046018f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g3v0.json
index 4735d5931..9c4ece6a3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_25000_d0g3v0Filler.json",
-            "sourceHash" : "f3a6e25adcd2544383b7c823e725ae5976a6ae43267152270f642c94a9d0ba93"
+            "sourceHash" : "6a397fd8cc0052251458e8c82f6be3dd5c53b984c10961babb9e4dff9feff0a7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0xf873ae4a2c47e7161f9203b1daf6a42df543035a55ca5e727e2a9472d2daf0f7",
-                    "mixHash" : "0x8cd18349b14b350ba75578bd5609d567feed1b2847eeb1c2a9aaa972d3e42532",
-                    "nonce" : "0x526d41221225e044",
+                    "hash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "0xf90368f901f8a02e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0e7d785fc60374abda80b0ddda54e02b60b90559a63418769c6fa3a0d22fef417a0a0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858a015385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082b6948203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90169f90166010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a200000000000000000000000000000000000000000000000000000000000000210000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002001000000000000000000000000000000000000000000000000000000000000000001304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db8810000000000000000000000000000000000000000000000000000000000001ca09d662bf31ee1c897f0750c8bfa3fd41c6125dd526944acb0550816c73a53f2d4a0620cdd2385fc58ba7515873d051a07b5267f19d6a6cd67fab0ce79c184a4f73fc0",
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf873ae4a2c47e7161f9203b1daf6a42df543035a55ca5e727e2a9472d2daf0f7",
+        "lastblockhash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+                    "gasLimit" : "0x05f5e100",
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+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
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+                "storage" : {
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g0v0.json
index d050cd749..a311941df 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_35000_d0g0v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g0v0Filler.json",
-            "sourceHash" : "cd5f64c4519ec8afc2af59dfbb9402474ed995e4e36d331e8d5012771871fc39"
+            "sourceHash" : "6f230d62dfdb1a52cc71cc7dd5c38834f2e79fc3f79dcbc5bfd4279529f7b494"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xb694",
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-                    "mixHash" : "0x3c490dfb4f5b812a38439daf1bfb85c7a019900ebe2fbe5b5cf1c23f65f51f45",
-                    "nonce" : "0x2cc406599e6f29e9",
+                    "hash" : "0x054b03699218f79432ac4e2d87b40c2c2cbf73194987e70d7a9962a9161d9339",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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@@ -27,7 +27,7 @@
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@@ -224,6 +224,235 @@
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+            "0x3535353535353535353535353535353535353535" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
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+                "storage" : {
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+                "storage" : {
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+            },
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+                "nonce" : "0x00",
+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
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+            },
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g1v0.json
index 7a2b16c96..012118eb2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_35000_d0g1v0_Byzantium" : {
         "_info" : {
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g1v0Filler.json",
-            "sourceHash" : "6e687f3ec02fcc4479750d6825f320165439e7e4bd6c3b3c097de4912efb038d"
+            "sourceHash" : "5e2722469924b6f2c5ccc51365778a1f51e49c87b5b502ab8ef467462de15e70"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x62a6ed9ac1d6630e9817e89c4b15b5071ef46e4a27393c4f197835d6e0e2078d",
-                    "mixHash" : "0x05a5efe23d4d83af63c468f21d57da511eeb963445157cb3b48f422e19ae8aa3",
-                    "nonce" : "0xf7e227e041b1a0c1",
+                    "hash" : "0x45bf6cc71ee44ff31f1033296d11e337dae8dd7638194fffb71719abe9790c2b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
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@@ -27,7 +27,7 @@
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-        "lastblockhash" : "0x62a6ed9ac1d6630e9817e89c4b15b5071ef46e4a27393c4f197835d6e0e2078d",
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@@ -224,6 +224,235 @@
                 "storage" : {
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602061028061014051610160600060056305f5e0fff11558576020610260526102606040806102c08284600060046018f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g2v0.json
index 08c7f6d0f..73a380e31 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g2v0Filler.json",
-            "sourceHash" : "e3c52e2d891ef5692e61a40ef0462d122b7a83223b69bebe514531b216d069f4"
+            "sourceHash" : "4b76e4885eca2193acdf460ef1f19da5a6c14f03e881952e6e3f21a19dea644e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0xbf48aa65f407dddb45e3842f9b1a07d08e446c4d8428b30e0747f6e88086bf88",
-                    "mixHash" : "0x82931359fbc5a4d84ac204bd57d7b471317bf15d5304739fdcd5839c46b8db70",
-                    "nonce" : "0x844446ea54ae3382",
+                    "hash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbf48aa65f407dddb45e3842f9b1a07d08e446c4d8428b30e0747f6e88086bf88",
+        "lastblockhash" : "0x1278081eba0cdeab21b72fff58bfe218875a472d9632376c21f0192d62e69aad",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g2v0Filler.json",
+            "sourceHash" : "4b76e4885eca2193acdf460ef1f19da5a6c14f03e881952e6e3f21a19dea644e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4736c69a54e5183dfbde86b27ce37b04ec8165cc03f61b3e568692efcac09cf0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc61dbdda0fbd50f7af7381306bf74862cf724a98c0d1adb893d06efe7ad18d98",
+                        "s" : "0x707374d93a44918cb72d7bbd6b59c57042fb81f4f34908e692d42ad07438fe1f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xcfdf2c4132858c8ee0aacf62956425ef219a67cdff74275b607e04d6da6eb904",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g3v0.json
index afcd0aefa..bd0d87044 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_39936_1_55201_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g3v0Filler.json",
-            "sourceHash" : "7ad9a76001cc5c9116477360a66eafe443fbc5ca021f3c63f378c653672b46c1"
+            "sourceHash" : "176c9932ee810fe010f49d4244122eb210762d74f886c1bcd926a6a6baf1872c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xb694",
-                    "hash" : "0x3c42d3f45b1b90512081e5b9f07b5406e1345b0e40938ed7d205ec02039d76d0",
-                    "mixHash" : "0x3b42b5bd013046a8f4c3b9186e4ec77196c8c998f5ca730d0bf16098bad908f7",
-                    "nonce" : "0x78816ecba9ac63aa",
+                    "hash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
                     "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3c42d3f45b1b90512081e5b9f07b5406e1345b0e40938ed7d205ec02039d76d0",
+        "lastblockhash" : "0xda894f88df5a582c69a810555476722d9d18b24287f2ef33a7c2bc45d9038023",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_39936_1_55201_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_39936_1_55201_35000_d0g3v0Filler.json",
+            "sourceHash" : "176c9932ee810fe010f49d4244122eb210762d74f886c1bcd926a6a6baf1872c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xb694",
+                    "hash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+                    "receiptTrie" : "0x15385a3f0057a35cb2ccc07fcccc37142c68659c14b95aea132b189e2e932511",
+                    "stateRoot" : "0xd8a241fb23df7cad85ce6bf865919e403131384d8d9728793903abf55eb86827",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa0137511dcc7756c50b3ee048356711ced291154be9e98c50bb76e37c3195858",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9d662bf31ee1c897f0750c8bfa3fd41c6125dd526944acb0550816c73a53f2d4",
+                        "s" : "0x620cdd2385fc58ba7515873d051a07b5267f19d6a6cd67fab0ce79c184a4f73f",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x2e337efe6e6fa6db74bfa5ce306aa6df189f4df277f90e3289235dfd964e78f8",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xf7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0f7d7a3fde4e7780dd755ad5a0468713a0ba292313010326d255bbd014f9308f4a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xc4ca8fb611525aeacdcaf1e075e3d76951a03a45157acf2de29bb852a24e39e8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab882",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761477e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602061028061014051610160600060056305f5e0fff11558576020610260526102606040806102c08284600060046018f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x038ce2d0d81afd6f9db7e4b21a65a2763091c1068647b921ca1e6ff8f640acfe"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g0v0.json
index 8124cd2dd..c2c7793cc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g0v0Filler.json",
-            "sourceHash" : "9293e12a1c3cb25612ea8b45a5e79b2a71e1d996562151a317e444fa3a83a808"
+            "sourceHash" : "3c533eb155fef36915fbbba37455999c50b0dc74f7ac62f6797b9b785137c122"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x7835accf4fd9190a77b35555d30c3cc4e650ddb9b3671ce9343d6985526a208a",
-                    "mixHash" : "0x01bde7c4707ecefd09731b6fd91bb8729ba83a7b24a4e8d1f47378ef522008ad",
-                    "nonce" : "0x99a1c81439db6295",
+                    "hash" : "0x6f0ec54375c8b66e55b8b0672de62aad0a5a7c7cddbc54a80961d3b983fd969a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0dab3e0a7eb4782a901334af75d2db2b22edc55da429cb7ae14ea82412aa5a6e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7835accf4fd9190a77b35555d30c3cc4e650ddb9b3671ce9343d6985526a208a",
+        "lastblockhash" : "0x6f0ec54375c8b66e55b8b0672de62aad0a5a7c7cddbc54a80961d3b983fd969a",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g0v0Filler.json",
+            "sourceHash" : "3c533eb155fef36915fbbba37455999c50b0dc74f7ac62f6797b9b785137c122"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0xe81fcf87dc405b713f506ef693961f39f33f0c1d6b7394c24ed07230899d831b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0dab3e0a7eb4782a901334af75d2db2b22edc55da429cb7ae14ea82412aa5a6e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0f9b58",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbd0a29380ab453825572e7f862d3b85be4fd1551b36fae114d849363bcaed57c",
+                        "s" : "0x468b9ffc4cdea29f7442d7b3446532f8f89ae6fcf6087961ce436dbde390ca5a",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xe81fcf87dc405b713f506ef693961f39f33f0c1d6b7394c24ed07230899d831b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g1v0.json
index dfca6b203..d4c25b8ca 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g1v0Filler.json",
-            "sourceHash" : "cf2ae9c19d37b11776ae65497765d3ba61f92e7a3ad2cd987de88259d9450ddc"
+            "sourceHash" : "adfadab7578a344a71123927f9c27a158103cadff865d16b1a9a83ed80072582"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x6f5acbe7bfccdf2e13f59c6d9232525a999fdf16828bdeef78eeb50d52e2efb1",
-                    "mixHash" : "0xe5d8847e15c4706f284a22c2fb0e4ca3eb950445cce4752ee778b108e5b62456",
-                    "nonce" : "0x7508b6fb081f540e",
+                    "hash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5493af43864cf61f3bd5843aec7adc1466be63e2aa57c7b6616bdfecbd21e0d3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6f5acbe7bfccdf2e13f59c6d9232525a999fdf16828bdeef78eeb50d52e2efb1",
+        "lastblockhash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g1v0Filler.json",
+            "sourceHash" : "adfadab7578a344a71123927f9c27a158103cadff865d16b1a9a83ed80072582"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x2e272cbd61f5b51ba1102b3facbc89295cca1583a112b339a8a7a949d10102b8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x5493af43864cf61f3bd5843aec7adc1466be63e2aa57c7b6616bdfecbd21e0d3",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc40b0f2538b760c5900aae073cac0b78204089c8a2167ee8a6583f2f1e8baec",
+                        "s" : "0x2581e0b84c16c094b63838cf5c5978bd2c4adc281b086b01ca7a4a11c2c509bb",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e272cbd61f5b51ba1102b3facbc89295cca1583a112b339a8a7a949d10102b8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g2v0.json
index 1166809c5..a47bc8a22 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g2v0Filler.json",
-            "sourceHash" : "c18855fa647305dc9d58930cacd2c78dc83ef2af3db1aab4fa7bfeee3ed57802"
+            "sourceHash" : "a5414422401f00d0bd2b5aea4f07e155d32cfa33f592c34fc36f5ecb13fb6386"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0xad96dc2596c45ff756e0600c7146d70d42a7add9082f2ae39a9e2553861c1965",
-                    "mixHash" : "0xc0e0e486d3e53e69a0c55435b87788933b4728c92383838a4b875ed17d9772ee",
-                    "nonce" : "0x17ac297979b94c7f",
+                    "hash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xad96dc2596c45ff756e0600c7146d70d42a7add9082f2ae39a9e2553861c1965",
+        "lastblockhash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g2v0Filler.json",
+            "sourceHash" : "a5414422401f00d0bd2b5aea4f07e155d32cfa33f592c34fc36f5ecb13fb6386"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2096ed724353b5b167c6a5687554d5ef821719afe9cef309be784f086df6ece3",
+                        "s" : "0x072bc95b5e6ac6f6d7addbbfb5e0b2a818cf3387468150527d4c8e060fb57fa6",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g3v0.json
index d8a6f3b3d..4cf3bff59 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g3v0Filler.json",
-            "sourceHash" : "b9055adcbae8aa234089179ed372c80baa2fd99f45aa1403017a3d8946ee8b2b"
+            "sourceHash" : "39012a42b85b8035d521329939d48268db77a244cdb11bb48c8c87774cd5f287"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x14613937b6156558aa7d43b77158ea945a59d5c07701bc36ca84bf9a6a977514",
-                    "mixHash" : "0x35992ace67108d9dcb49f2ad3d89b12f0c721814ee1b562b8a2cc76b1cf35393",
-                    "nonce" : "0xc83e1c71db163ec7",
+                    "hash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a056013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8ca056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x14613937b6156558aa7d43b77158ea945a59d5c07701bc36ca84bf9a6a977514",
+        "lastblockhash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_1000000_d0g3v0Filler.json",
+            "sourceHash" : "39012a42b85b8035d521329939d48268db77a244cdb11bb48c8c87774cd5f287"
+        },
+        "blocks" : [
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+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0xc4dae661f9dcfb4e0d3e0fabd428fd6d34abd5964d66d634e4d1ad2856c5f978",
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+                    "nonce" : "0x0000000000000000",
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+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "v" : "0x1b",
+                        "value" : "0x00"
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+                "uncleHeaders" : [
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+            }
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+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
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+                }
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
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+                "code" : "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",
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+                "storage" : {
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+            }
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+                "storage" : {
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+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g0v0.json
index 37daa8419..05c94033f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g0v0Filler.json",
-            "sourceHash" : "6c641c5282726fe46a2cd09a89f4d70171c70ed2fb25765ad4c169d854c51a6a"
+            "sourceHash" : "2fd0f5b2eb85fcaef31bc7e2c65da79f71be77a95ca30c5ec77115dc15f7fbfc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x53ae75a511f330fae84363c6987bf6b2e557d7f4693703890e9f20769e6bf64b",
-                    "mixHash" : "0xa9df91d34397c2e319e6e7d10fc239c46a05837f6e0b507b4d234344d03ce97e",
-                    "nonce" : "0x69c197976d554a87",
+                    "hash" : "0x99d84d0aae5e2d9df86d307ffa6c95afcf171e01b1ba73c7a0002b058fdd17a2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x53ae75a511f330fae84363c6987bf6b2e557d7f4693703890e9f20769e6bf64b",
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         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_155000_d0g0v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g1v0.json
index 8d7b89aa7..f42b927d6 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g1v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g1v0Filler.json",
-            "sourceHash" : "1eb01dd583635b4a6de9bb1056c43438ba8e91e85ee91fb953304018327c88f4"
+            "sourceHash" : "8707e757e7dce735de90ff80e12fdc4eeac6a7e962b7d9d94d37084d9afa1bdd"
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@@ -16,9 +16,9 @@
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-                    "mixHash" : "0x280429229450418e98356db6f93eaa50c45e6e2400a07344dc6c713d85e10696",
-                    "nonce" : "0x6f1f67430e98f177",
+                    "hash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g2v0.json
index 23f985ef8..d94033572 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g2v0Filler.json",
-            "sourceHash" : "83ec9e0ce6921581425366e3cc3bfef7369e5bded1ea7e4d079824f059183f9e"
+            "sourceHash" : "8736fa55fc600c33ee00c3065d1d435ba805f5589b87d8e5694c1a485e1b33a6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0xfba291bbe9cb053a138d4c166d308f2f7fcf60f1ded6670848b9038a1c6e59bb",
-                    "mixHash" : "0x17f5b6229cd809a641fc2710314d2ac4fa6be25e991805d7164f968ddda41857",
-                    "nonce" : "0x318c5e75fc10803c",
+                    "hash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a056013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8ca056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xfba291bbe9cb053a138d4c166d308f2f7fcf60f1ded6670848b9038a1c6e59bb",
+        "lastblockhash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g2v0Filler.json",
+            "sourceHash" : "8736fa55fc600c33ee00c3065d1d435ba805f5589b87d8e5694c1a485e1b33a6"
+        },
+        "blocks" : [
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+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
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+                    "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
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+                        "v" : "0x1b",
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+                "uncleHeaders" : [
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+        "genesisBlockHeader" : {
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+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000006" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g3v0.json
index b92eb7ded..8c6ad233b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g3v0Filler.json",
-            "sourceHash" : "8714d352883236522db77f864b8e155b5b50e63eaa97631a9a6aef05da0e0a84"
+            "sourceHash" : "1b1c61d20578eae26715bd3e250e24d343c3123a2b88e0ee79e34d41dc823914"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x1be77212d378eb31508fce5573256541049d60179e040f339492852dca78e674",
-                    "mixHash" : "0x820403f031cc05e76eda346a9dbb532007b70fd078b5d0aa0fd498d3ace7e730",
-                    "nonce" : "0xee1d5b612e527f94",
+                    "hash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1be77212d378eb31508fce5573256541049d60179e040f339492852dca78e674",
+        "lastblockhash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_155000_d0g3v0Filler.json",
+            "sourceHash" : "1b1c61d20578eae26715bd3e250e24d343c3123a2b88e0ee79e34d41dc823914"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0xc4dae661f9dcfb4e0d3e0fabd428fd6d34abd5964d66d634e4d1ad2856c5f978",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7fe8bb24a88d70f852db13b5ede7a849ea323bd41218454f7c9c4524203ffbb3",
+                        "s" : "0x091fa8177bede26f228c4e7b8679a680dae95e4dadb7812cc6b886978986ad84",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc4dae661f9dcfb4e0d3e0fabd428fd6d34abd5964d66d634e4d1ad2856c5f978",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g0v0.json
index 256abbf36..2680685ac 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g0v0Filler.json",
-            "sourceHash" : "0b0a86ea0e6db85681096a2af17b7d84f566997d526a3881106c354645569198"
+            "sourceHash" : "1024aaf66c982945d93ff6c55a55083a621a5179994ac0c56bbfbb069c9b4b33"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xaf08",
-                    "hash" : "0x227f8ea0f459f4aba083450ab2a0f68acee0218ed350a052861209752e1b3cb5",
-                    "mixHash" : "0xee1e6912df85993a8aa62d8879c39e554fa3b10981aeb470e739f7c93a289351",
-                    "nonce" : "0x82a5ca5cb297cd87",
+                    "hash" : "0x40a33c2047dedc1f8445c545ac10680669c4454eb6e252bab1765f15815119aa",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0x0ae518abb0092c57b64d3d2b49880f6fd813e538e5497064f5f0a67ef84bf712",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7b8ca1948accef9f7f335087feb4007b23cd2a31f31df4e83d6baaba3b2e4215",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x227f8ea0f459f4aba083450ab2a0f68acee0218ed350a052861209752e1b3cb5",
+        "lastblockhash" : "0x40a33c2047dedc1f8445c545ac10680669c4454eb6e252bab1765f15815119aa",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g0v0Filler.json",
+            "sourceHash" : "1024aaf66c982945d93ff6c55a55083a621a5179994ac0c56bbfbb069c9b4b33"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xaf08",
+                    "hash" : "0xfb6e6baaefae5331ccbb1512b2bb33d3ab5d07a96e84bb2b22f1940677d63fd4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0x0ae518abb0092c57b64d3d2b49880f6fd813e538e5497064f5f0a67ef84bf712",
+                    "stateRoot" : "0x42c25c35477580eeabd341ddf8462a3daebd14296b6c5d3eb0037c34a150b332",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7b8ca1948accef9f7f335087feb4007b23cd2a31f31df4e83d6baaba3b2e4215",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xaf08",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xc07ec05012d2d78ee4b7dcee6c1c865ca7d585ee103bc3c1bc57d90a3a29d9c9",
+                        "s" : "0x77e4aa3e98b28af1576e2792ef6dbeea0a2200ee72b7eefe6f8fa3d7349afdfe",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfb6e6baaefae5331ccbb1512b2bb33d3ab5d07a96e84bb2b22f1940677d63fd4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab0f6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614f0a",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602161028061014051610160600060056305f5e0fff11558576021610260526102606041806102e08284600060046018f15050506102e08051602082012090506000556102e060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g1v0.json
index 2779efb68..f2179aad0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g1v0Filler.json",
-            "sourceHash" : "824fb3d7b8bf785b90232b5d348322b6aa6798ca3c9dea6fec656f01462f0051"
+            "sourceHash" : "aafa446e9a71da5dfc5bf63bb70e8317414ca6cb3a7f05dae2a069b88671caa0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0xf3c3a32a567f08f4a8ac68f510bfcf339e5b9980dc690243e56f885eb3c24191",
-                    "mixHash" : "0x43689df5908cc7746a6d8481919222b4956ac7c10e83f5efa9193394abeb7afb",
-                    "nonce" : "0x9dd14f5be1c78038",
+                    "hash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5493af43864cf61f3bd5843aec7adc1466be63e2aa57c7b6616bdfecbd21e0d3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf3c3a32a567f08f4a8ac68f510bfcf339e5b9980dc690243e56f885eb3c24191",
+        "lastblockhash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g1v0Filler.json",
+            "sourceHash" : "aafa446e9a71da5dfc5bf63bb70e8317414ca6cb3a7f05dae2a069b88671caa0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x2e272cbd61f5b51ba1102b3facbc89295cca1583a112b339a8a7a949d10102b8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x5493af43864cf61f3bd5843aec7adc1466be63e2aa57c7b6616bdfecbd21e0d3",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc40b0f2538b760c5900aae073cac0b78204089c8a2167ee8a6583f2f1e8baec",
+                        "s" : "0x2581e0b84c16c094b63838cf5c5978bd2c4adc281b086b01ca7a4a11c2c509bb",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e272cbd61f5b51ba1102b3facbc89295cca1583a112b339a8a7a949d10102b8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602161028061014051610160600060056305f5e0fff11558576021610260526102606041806102e08284600060046018f15050506102e08051602082012090506000556102e060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g2v0.json
index ef9a5789e..faec26fcc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g2v0Filler.json",
-            "sourceHash" : "29caf80c524707ab8c9ea9e59018230aa946c37aae09c9f21e805f472d772e07"
+            "sourceHash" : "1425c30c8b1f3a8e53b8abd58bd6de9d55dfcd14e3a1f49dfcf78115de23c4b1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0xa3670f2d062af1f756951185fd339d6799b613413c582fce41882c716b57feeb",
-                    "mixHash" : "0xbf0a74b5b46ec73fb7935394662179e04b2c156fc2f945ec36075d0d6941667b",
-                    "nonce" : "0x9bf47ec083b15f58",
+                    "hash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa3670f2d062af1f756951185fd339d6799b613413c582fce41882c716b57feeb",
+        "lastblockhash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g2v0Filler.json",
+            "sourceHash" : "1425c30c8b1f3a8e53b8abd58bd6de9d55dfcd14e3a1f49dfcf78115de23c4b1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
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+                    "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2096ed724353b5b167c6a5687554d5ef821719afe9cef309be784f086df6ece3",
+                        "s" : "0x072bc95b5e6ac6f6d7addbbfb5e0b2a818cf3387468150527d4c8e060fb57fa6",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g3v0.json
index a98a0fe48..043e863ca 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_22000_d0g3v0Filler.json",
-            "sourceHash" : "df901a4cbf0bb914f58da0db8337fb89605c168ee4cf4b2480c6be19e551fc1c"
+            "sourceHash" : "6c2ea0c92cc8111d6d77988a9914294bb7f83c15a07921e39c51906e09337444"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x009ab6101aa182d4df1a25932885253bf29e193ff80261fcecd97801c4be1690",
-                    "mixHash" : "0xcbf7da70948fa164d90f4cbd009b3b940f43c589c10831d390ab17c69e70f763",
-                    "nonce" : "0x364c6660b55840a7",
+                    "hash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x009ab6101aa182d4df1a25932885253bf29e193ff80261fcecd97801c4be1690",
+        "lastblockhash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+            "sourceHash" : "6c2ea0c92cc8111d6d77988a9914294bb7f83c15a07921e39c51906e09337444"
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
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+                    "gasLimit" : "0x05f5e100",
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+                "nonce" : "0x00",
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+                "code" : "",
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+                "storage" : {
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+                "nonce" : "0x00",
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+                "storage" : {
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+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
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+                "storage" : {
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+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000008" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+                }
+            },
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+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g0v0.json
index 7cb259a25..f2619a597 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g0v0Filler.json",
-            "sourceHash" : "888694fd9744f1319187a7a643847b2f55b0698aec5a7b1af7298033deea03a8"
+            "sourceHash" : "eef995bab06b0fb4e937bf0213f8a56e0965801556f1c14f3736240e5553ee82"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xbac0",
-                    "hash" : "0x105325ec955b7e123089634de3af80dcb5bf1c7d70bf35251407476ca8d6b7f0",
-                    "mixHash" : "0x7484b0b37e509b5ad2298cbda17365fec2b6d15e04bc788053780f901500807e",
-                    "nonce" : "0x5a4742edf5743164",
+                    "hash" : "0xadb072a7e817045c90e632834cca990fda7756c7209d40b38c784eb274fbf1d1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_25000_d0g0v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                "nonce" : "0x00",
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+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
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+            },
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+                "storage" : {
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g1v0.json
index 3464907e2..059b2265e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_25000_d0g1v0_Byzantium" : {
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g1v0Filler.json",
-            "sourceHash" : "5de26c075134e6d27b2eb56e7c31a33de7b957d1dd71299adaa7e09dccb5a3b5"
+            "sourceHash" : "d44eb471e6b8722d1a62a02dacae5c1626f9e9d4c890cfe188892b380e32587c"
         },
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xe4b3",
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-                    "mixHash" : "0x90a29d513b24544695e4f94300363886d8afa568f7a58e31379331a8d60fd0c9",
-                    "nonce" : "0x76ba5c63848ec3cf",
+                    "hash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
                 "storage" : {
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g2v0.json
index 023e316a0..e0fb84de9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g2v0Filler.json",
-            "sourceHash" : "cb139b8788c14b1fa19b9d7275fc67ab5e26df5cfc3821c8eabc58b6372e26a7"
+            "sourceHash" : "762974ff42263a8bfb81da62d7bb609ce0a2a546851d4397092c1a28a9857d54"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x452efdfa913e6acd30d6c319f597bb527d34eb996558b317c2bc7e9c0452679e",
-                    "mixHash" : "0x515c9eb14ad2efde8d4ca86b1a899af669541923547ac2b6a1f0d22def3f0ec2",
-                    "nonce" : "0xa14fe30a09bf0af3",
+                    "hash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x452efdfa913e6acd30d6c319f597bb527d34eb996558b317c2bc7e9c0452679e",
+        "lastblockhash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g2v0Filler.json",
+            "sourceHash" : "762974ff42263a8bfb81da62d7bb609ce0a2a546851d4397092c1a28a9857d54"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2096ed724353b5b167c6a5687554d5ef821719afe9cef309be784f086df6ece3",
+                        "s" : "0x072bc95b5e6ac6f6d7addbbfb5e0b2a818cf3387468150527d4c8e060fb57fa6",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g3v0.json
index bea81f885..3bd72a1d9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g3v0Filler.json",
-            "sourceHash" : "9bc618c29fb7dd8702e33da50e748982acab0b4db1f95c17a401976ff95628c6"
+            "sourceHash" : "ea8ed6a0d9d078c2ae21c39052859e9b6cb774c50e6d6a035bcd6bc24c0611aa"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x111236e8a836b9ba404f8908adbe4ed2b481f4d2cda0bcdaaa982ad9a45a597a",
-                    "mixHash" : "0xd54c20ae6e78a31c2db7939c77a77a05925af25b98b6f0a8bef291c7abd36bf4",
-                    "nonce" : "0xc93b6453a80ce401",
+                    "hash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x111236e8a836b9ba404f8908adbe4ed2b481f4d2cda0bcdaaa982ad9a45a597a",
+        "lastblockhash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_25000_d0g3v0Filler.json",
+            "sourceHash" : "ea8ed6a0d9d078c2ae21c39052859e9b6cb774c50e6d6a035bcd6bc24c0611aa"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0xc4dae661f9dcfb4e0d3e0fabd428fd6d34abd5964d66d634e4d1ad2856c5f978",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
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+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7fe8bb24a88d70f852db13b5ede7a849ea323bd41218454f7c9c4524203ffbb3",
+                        "s" : "0x091fa8177bede26f228c4e7b8679a680dae95e4dadb7812cc6b886978986ad84",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc4dae661f9dcfb4e0d3e0fabd428fd6d34abd5964d66d634e4d1ad2856c5f978",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g0v0.json
index bd2aec8e5..caee59b06 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g0v0Filler.json",
-            "sourceHash" : "961c732b047a1e7d3026afbcd7bbef02cc504837663969ad195338b52205bd9a"
+            "sourceHash" : "ed922900a0bfa89a5e6a04f638c468e62e41242bbeac291dca1623197ba87ebe"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe1d0",
-                    "hash" : "0xca9b9f434d7148a85f450ced6d5ddfbeac8f106e5383f8c35a4c3b283c41d3ff",
-                    "mixHash" : "0xfaa538d10fa19a523c8acf3f1f0e02a7d53e99a23aacf3d8ffc70e0113f44e61",
-                    "nonce" : "0x6e38865ab77f89b3",
+                    "hash" : "0x2d328dc048a8e9f1808e373ab364c009265745e962808c2bdf6351c2a6f2b8fd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0x724d6c305620940ab3f8b8f059af464d41353a1d6b2a474baf34ff18fbf4bddb",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3aaba4a3b519bfc6c52507814278fcb30e7b03cc0ee9a59874608c56c0eb5331",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xca9b9f434d7148a85f450ced6d5ddfbeac8f106e5383f8c35a4c3b283c41d3ff",
+        "lastblockhash" : "0x2d328dc048a8e9f1808e373ab364c009265745e962808c2bdf6351c2a6f2b8fd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g0v0Filler.json",
+            "sourceHash" : "ed922900a0bfa89a5e6a04f638c468e62e41242bbeac291dca1623197ba87ebe"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe1d0",
+                    "hash" : "0x7b120695b9b2bfea595efc5d811749949da23094776c2587d043751638d72e09",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0x724d6c305620940ab3f8b8f059af464d41353a1d6b2a474baf34ff18fbf4bddb",
+                    "stateRoot" : "0xf9bc9148d46e31e278bc92c54bb998933a05a23e8508b79f7d457ac64d14e907",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3aaba4a3b519bfc6c52507814278fcb30e7b03cc0ee9a59874608c56c0eb5331",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xe1d0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x90aafbd541d8b1468ee4cae4401f1cd47c44a18967813b8407aebeeaea7f8756",
+                        "s" : "0x25420ed16ae77eb403c008608532ff99dff1c7e8ac178a8fd5157e8392bb0fd0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a056013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8ca056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x7b120695b9b2bfea595efc5d811749949da23094776c2587d043751638d72e09",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae3be",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7611c42",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g1v0.json
index 432faea7d..f64d81891 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g1v0Filler.json",
-            "sourceHash" : "6b0b6e21af42e0c82f6ab5d08c730e09e1a782c1b581bede794f152d7758c192"
+            "sourceHash" : "8650e9b7d260e69d737e6148c57951110fa989579e966f418972516d9eb0c188"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x9a63cf6bb9b1e716f638dd59e52cab7e23bb56170eb8e6b8265a60de2b519bef",
-                    "mixHash" : "0xaf2b791b7f78e4a1a4c6574be22144313b8cb13431d8b9219da0859079b4d347",
-                    "nonce" : "0xda3d78bb57a8140e",
+                    "hash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5493af43864cf61f3bd5843aec7adc1466be63e2aa57c7b6616bdfecbd21e0d3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9a63cf6bb9b1e716f638dd59e52cab7e23bb56170eb8e6b8265a60de2b519bef",
+        "lastblockhash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g1v0Filler.json",
+            "sourceHash" : "8650e9b7d260e69d737e6148c57951110fa989579e966f418972516d9eb0c188"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x2e272cbd61f5b51ba1102b3facbc89295cca1583a112b339a8a7a949d10102b8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x5493af43864cf61f3bd5843aec7adc1466be63e2aa57c7b6616bdfecbd21e0d3",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbc40b0f2538b760c5900aae073cac0b78204089c8a2167ee8a6583f2f1e8baec",
+                        "s" : "0x2581e0b84c16c094b63838cf5c5978bd2c4adc281b086b01ca7a4a11c2c509bb",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2e272cbd61f5b51ba1102b3facbc89295cca1583a112b339a8a7a949d10102b8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760c66004356004013511151558576004356004013560200160043560040161014037602161028061014051610160600060056305f5e0fff11558576021610260526102606041806102e08284600060046018f15050506102e08051602082012090506000556102e060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g2v0.json
index 516ec8563..c6275aeb8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g2v0Filler.json",
-            "sourceHash" : "ea670df35392381bb19bd2a6a9503082ba58148cf27cabcfc1a5ae190b6b4530"
+            "sourceHash" : "f8bfe83c28499fcaca57b849c5b91bdbad58273829adf52a21ee1502e2af5d23"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x605233eca95c63216273689794de661e73f23096e4963396bd3bedbc0c1ce921",
-                    "mixHash" : "0xd06976d1dcff0ac1b5a4e10edf8de2844a880e40e66a84d3873fcfcf85bbca42",
-                    "nonce" : "0x0ca1ad72ebd3229f",
+                    "hash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x605233eca95c63216273689794de661e73f23096e4963396bd3bedbc0c1ce921",
+        "lastblockhash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g2v0Filler.json",
+            "sourceHash" : "f8bfe83c28499fcaca57b849c5b91bdbad58273829adf52a21ee1502e2af5d23"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90368f901f8a0684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0e3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35aa0ea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823a0bc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082e4b38203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90169f9016601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a20000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000210340000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001ba02096ed724353b5b167c6a5687554d5ef821719afe9cef309be784f086df6ece3a0072bc95b5e6ac6f6d7addbbfb5e0b2a818cf3387468150527d4c8e060fb57fa6c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2096ed724353b5b167c6a5687554d5ef821719afe9cef309be784f086df6ece3",
+                        "s" : "0x072bc95b5e6ac6f6d7addbbfb5e0b2a818cf3387468150527d4c8e060fb57fa6",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a056013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8ca056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g3v0.json
index ea7d32507..c4b104368 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_09984_39936_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g3v0Filler.json",
-            "sourceHash" : "99d5a3892266b1ca9ce9051d3e96d90fba6353fcd04a002b5dcc7dd74b84681e"
+            "sourceHash" : "748a7f34c06dfbde0e47cad0a903430d79796b3f19f32f54536a82785014f726"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x124faa1153c764b0bbae584bc70b4bf2ed0f44ef838ff3ccf74a80ce89643b3c",
-                    "mixHash" : "0x669226b9e70f90d4a8df2cea77ca0092bc6895650a83cd9f9798c8bb1662a35f",
-                    "nonce" : "0x7a7f11073cd8d73c",
+                    "hash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x124faa1153c764b0bbae584bc70b4bf2ed0f44ef838ff3ccf74a80ce89643b3c",
+        "lastblockhash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_09984_39936_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_09984_39936_35000_d0g3v0Filler.json",
+            "sourceHash" : "748a7f34c06dfbde0e47cad0a903430d79796b3f19f32f54536a82785014f726"
+        },
+        "blocks" : [
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+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0xc4dae661f9dcfb4e0d3e0fabd428fd6d34abd5964d66d634e4d1ad2856c5f978",
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+                    "nonce" : "0x0000000000000000",
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+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
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+            }
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+                "nonce" : "0x00",
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+                }
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000005" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
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+                "nonce" : "0x00",
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+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
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+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g0v0.json
index 6ae79c93f..89b93a53e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_28948_11579_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g0v0Filler.json",
-            "sourceHash" : "ba1934d3c13dee2116e4f8525c9b7ecd373c8579a3c0878a0394771c1e058236"
+            "sourceHash" : "2b6451531ffadafc24bddcb64b68d768ea93c004347f696ec7ae82120b1eeb14"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa92c",
-                    "hash" : "0x125b54e166035620b1452d2232c774d07a513eb18980fcb5bd2564bd374ff605",
-                    "mixHash" : "0xe052d73162193a60d42f4eef430b803d8fd01e894b69bf1b3b654d5300517cf8",
-                    "nonce" : "0xc2473b4a91a7a0d3",
+                    "hash" : "0xbeb8a2273459276d5a0af85be4482e6b54210cb72e2a86fdcc62acc3e7096bfa",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0x1c42eab3e247d43b949e5d1a82eafecf93190006f56007b8969bbf18413d3167",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfdf6e65a991b9a004c4f5dd9a7c1f4dbff7a290186f19df9a03f6070cd5cccb4",
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x125b54e166035620b1452d2232c774d07a513eb18980fcb5bd2564bd374ff605",
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         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_28948_11579_20500_d0g0v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                "nonce" : "0x01",
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g1v0.json
index 8a73a5e63..ce47254c0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_28948_11579_20500_d0g1v0_Byzantium" : {
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-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g1v0Filler.json",
-            "sourceHash" : "798e19700aa32dd39f38b81eefa00d110eaf3d2b9ac9ceb9f328c1ae253f51a0"
+            "sourceHash" : "6a240df27391dec7ff0491416437892620c5fd4899b32ffacf6e896e670d7d12"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xe4b3",
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-                    "mixHash" : "0x3db9ba441d5036974af086a58a75e6b1a8e36d15ac5cc4e0104d88ef7adec021",
-                    "nonce" : "0xc7b7b38f84fe54c6",
+                    "hash" : "0x019e7bed130a421039b1cbaf65c7fd6d4f7dbac770c386de6eb87b3f64972ae6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g2v0.json
index 737ef3533..7663b6db2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_28948_11579_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g2v0Filler.json",
-            "sourceHash" : "2033412ff1770e2c4957621d3b1699ceddc2422f1693f495d848f004b4971cf9"
+            "sourceHash" : "8b36ac2795382b47141ff9fd480797d3032077ba7897d628fd84f033e9a552a3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0x3a2b5d668060d0811d25728095e28242db3020bdbff5625a9c0040eb1fc60dad",
-                    "mixHash" : "0xd3aea319ac4fe5064e9ced6e95c37def337a97f4628e12bc54ed32790f4a6403",
-                    "nonce" : "0xe4326544d12055d4",
+                    "hash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90368f901f8a0684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a025261c5eab9cbf70e6ccc139ac53a908db4f7c161b628026cdba2069f55fd3aca0ea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823a0bc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082e4b38203e880a0d3aea319ac4fe5064e9ced6e95c37def337a97f4628e12bc54ed32790f4a640388e4326544d12055d4f90169f9016601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a20000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000210340000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001ba02096ed724353b5b167c6a5687554d5ef821719afe9cef309be784f086df6ece3a0072bc95b5e6ac6f6d7addbbfb5e0b2a818cf3387468150527d4c8e060fb57fa6c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3a2b5d668060d0811d25728095e28242db3020bdbff5625a9c0040eb1fc60dad",
+        "lastblockhash" : "0x8aeeeb89e79469676d0d8c878a69fd458a196fea5fae29a8802f0178528fd020",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_28948_11579_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g2v0Filler.json",
+            "sourceHash" : "8b36ac2795382b47141ff9fd480797d3032077ba7897d628fd84f033e9a552a3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xea62114d7d0bd7f5dc2d07b64996f26db0048b19cf66859b94dbd5e60a27a823",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
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+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2096ed724353b5b167c6a5687554d5ef821719afe9cef309be784f086df6ece3",
+                        "s" : "0x072bc95b5e6ac6f6d7addbbfb5e0b2a818cf3387468150527d4c8e060fb57fa6",
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+                        "v" : "0x1b",
+                        "value" : "0x00"
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+                ],
+                "uncleHeaders" : [
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+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x19deabfdc511c6583cf723be3a2bc9d616db601c8998e6b1f5067bc336da362a",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000006" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g3v0.json
index 457d442b0..80aa8ee77 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_28948_11579_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g3v0Filler.json",
-            "sourceHash" : "83f54855e2060349c11cbf8582bc62f9e3d7c094874c7fcf40b82b7b0aa50b9e"
+            "sourceHash" : "23d588c633e7b1ff9c869decb054421707a3f6817d5e793a6de4d55f2426a032"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xe4b3",
-                    "hash" : "0xd1208afca86e94a59ca57bebb60289588f94d4e4722c16c5e1fff27c437bf754",
-                    "mixHash" : "0xa1049394d66cb55344314704a17e5553c1e033d1239f985fcd25e4ecae5986c2",
-                    "nonce" : "0x676beb2396a0dbbf",
+                    "hash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
                     "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a056013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8ca056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xd1208afca86e94a59ca57bebb60289588f94d4e4722c16c5e1fff27c437bf754",
+        "lastblockhash" : "0xae54961b38395be6062c8f9db03f0d44b6b49a4483558609999018f29daf11c7",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_28948_11579_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_28948_11579_20500_d0g3v0Filler.json",
+            "sourceHash" : "23d588c633e7b1ff9c869decb054421707a3f6817d5e793a6de4d55f2426a032"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xe4b3",
+                    "hash" : "0xc4dae661f9dcfb4e0d3e0fabd428fd6d34abd5964d66d634e4d1ad2856c5f978",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+                    "receiptTrie" : "0xbc2b31472aaaa6ab1461c168c4873938a56d04a158e3e69e185db1899c25d066",
+                    "stateRoot" : "0xe3b8cee5b6a4fc67298947506ca5cea8e6f9e228643c81c0d7f80b7a6e75b35a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfa2099c1b3f40105b79a689a02c1d50988c71584f087b15608bcdf475546d565",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000a2000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021034000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x7fe8bb24a88d70f852db13b5ede7a849ea323bd41218454f7c9c4524203ffbb3",
+                        "s" : "0x091fa8177bede26f228c4e7b8679a680dae95e4dadb7812cc6b886978986ad84",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0x684a0a9a7fcd9bcd0668d483b720c4fd0eed49848f22bfe7b9fedd53c2d003b3",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x56013ebedf2452830463eb382154547b8ca80c5eb61f1fde70b4cfe4c8679a8c",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc4dae661f9dcfb4e0d3e0fabd428fd6d34abd5964d66d634e4d1ad2856c5f978",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecae6a1",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761195f",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc13ad76448cbefd1ee83b801bcd8f33061f2577d6118395e7b44ea21c7ef62e0"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g0v0.json
index 302869375..6e8776a83 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g0v0Filler.json",
-            "sourceHash" : "82210c0c82c88693bcc7a5a6bd6662f4368b5d14eeb3fc0e753f24cd58ba6563"
+            "sourceHash" : "f245cc59ba4783b107fface030d60a2c3bd6d91f6cf1825e35667ce4b546d631"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xb71885801e41079fb41599b90aee9ffd7c643f1bf23d74087f7b19cba7033964",
-                    "mixHash" : "0xbf116964c75ec5ff9ccf975a08dbdd0214989f76501454332d70cc212fee6299",
-                    "nonce" : "0xe5bda2426c847caf",
+                    "hash" : "0x1c5eef5ced235a924a5fb6da380f1fd22fad8c4c7ef3d2dbee1fd5135e5b921f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf64dbeeae3e59955fa72f74f13fc07983db2ba442ae2a7a2dd0993aa425c3dc4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb71885801e41079fb41599b90aee9ffd7c643f1bf23d74087f7b19cba7033964",
+        "lastblockhash" : "0x1c5eef5ced235a924a5fb6da380f1fd22fad8c4c7ef3d2dbee1fd5135e5b921f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g0v0Filler.json",
+            "sourceHash" : "f245cc59ba4783b107fface030d60a2c3bd6d91f6cf1825e35667ce4b546d631"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0xec984595e4fbf241845e63f556137f0df1869b8c283e2e8b25ae258ce0f49a72",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf64dbeeae3e59955fa72f74f13fc07983db2ba442ae2a7a2dd0993aa425c3dc4",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0f9a58",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x44f408b9d1d8165f024a1a700f2dfb50d137288aae5bd0c34bba60de15067593",
+                        "s" : "0x40d80a710421c2c6c0bc09faedfea7baf1c8ab6e9cb8e3e8d8ce3ec01d9e3742",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xec984595e4fbf241845e63f556137f0df1869b8c283e2e8b25ae258ce0f49a72",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g1v0.json
index fadfc48be..f8d8f3e3d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g1v0Filler.json",
-            "sourceHash" : "6c933a9b97ab9831096421f1ceb39984be05106911f021f54640db0f2e4633a1"
+            "sourceHash" : "b87fadaed8c18c9365dddbc40bf830ed5ddaaa477fd8c57faedef06de6d93c96"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x44a06e6a72f3a1306f0eb2d68bcb17f0a6db3aa34d0394124375fe5c8f18b7da",
-                    "mixHash" : "0xffb9d4380a6040e55cfe680a888e6e47ea8c9dce85bf4fd0d836efdae63a569f",
-                    "nonce" : "0xf5fe1f0dd717abca",
+                    "hash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0f49eaaed5bb9909eb2c71a61aeb584fefd46ef0f4adafa209e977c9de5f4f0c1a0f8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103056400000000000000000000000000000000000000000000000000000000001ca062ab6b0f8b2e80a49163c77b074b77c863261268b3cadd851cd172b491638259a02b5f110ddf647ab9ecafc1a2233424a0666e25d8738716f75fae1fe1c70d31e5c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x44a06e6a72f3a1306f0eb2d68bcb17f0a6db3aa34d0394124375fe5c8f18b7da",
+        "lastblockhash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g1v0Filler.json",
+            "sourceHash" : "b87fadaed8c18c9365dddbc40bf830ed5ddaaa477fd8c57faedef06de6d93c96"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x4d013996eb15f31f163da6d89fd506b47c24e49c0c56e7105a2d81347f28a8db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x62ab6b0f8b2e80a49163c77b074b77c863261268b3cadd851cd172b491638259",
+                        "s" : "0x2b5f110ddf647ab9ecafc1a2233424a0666e25d8738716f75fae1fe1c70d31e5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4d013996eb15f31f163da6d89fd506b47c24e49c0c56e7105a2d81347f28a8db",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g2v0.json
index cefd92b29..bd0af6f01 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g2v0Filler.json",
-            "sourceHash" : "bc5c5695d1e8c7411ce8f7c1e08456e606fd76ebe385e05dfeca1b22613ef6c4"
+            "sourceHash" : "24f3ffb343e21e8d94a2dbf841001faebeaa8118dac2b51d80f6e6440bb840aa"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xbbc1b4240b150ae33336ca26f291b86b4f0a9b8d189062a944b2ef4cdd120e72",
-                    "mixHash" : "0x24d8dc23ea2e18df9fa139702b68761cad1cf5e4085986449a5ac2c4b503fa77",
-                    "nonce" : "0x7e7d51da47ae7a2b",
+                    "hash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbbc1b4240b150ae33336ca26f291b86b4f0a9b8d189062a944b2ef4cdd120e72",
+        "lastblockhash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g2v0Filler.json",
+            "sourceHash" : "24f3ffb343e21e8d94a2dbf841001faebeaa8118dac2b51d80f6e6440bb840aa"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045",
+                        "s" : "0x7c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g3v0.json
index 16c74e232..fee32354a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g3v0Filler.json",
-            "sourceHash" : "4a47aee9c54b97b465c12265629ac6ceced409e3bd1dc623cc3ce1d776c3181a"
+            "sourceHash" : "e74e3097f6ee2fe823f9a215e83df2890b391960f3c5a5751cc93f6ad6008f44"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x38c81505b5741ead33af3de50e42962fce9ae62d830b2084a832e1c6b7fc505a",
-                    "mixHash" : "0x1e3bf9e11dcfe8ebdab5d07a8bc0256c19ed042060793bd4394593c3e25a8aa1",
-                    "nonce" : "0x00dd23aee62da873",
+                    "hash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x38c81505b5741ead33af3de50e42962fce9ae62d830b2084a832e1c6b7fc505a",
+        "lastblockhash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_1000000_d0g3v0Filler.json",
+            "sourceHash" : "e74e3097f6ee2fe823f9a215e83df2890b391960f3c5a5751cc93f6ad6008f44"
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+        "blocks" : [
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
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+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "v" : "0x1c",
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+                "uncleHeaders" : [
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+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
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+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
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+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g0v0.json
index 875298b2e..3814d8963 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g0v0Filler.json",
-            "sourceHash" : "fc63154d878d977c1987f1aa1d1d55070f9ea8aa6ebea88bd9bb6cee73671b6c"
+            "sourceHash" : "b5a4a17097004af669e8b05e6d0f0b6883db93f44e2c54e6c6f7a2ce2c06b471"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x2ae19c57e621c35d73908238d5d4c1aa7e34b05b66cba15d803a940c8ff19d3b",
-                    "mixHash" : "0x2ac70fa4e07fba698b7ef75de458e000bd2d215b0999a3c22ff8d36a137d7201",
-                    "nonce" : "0xc66563b3b76e498d",
+                    "hash" : "0xd24255a97813fccd8e64d8718bef7c75129aaf408451bea0da03b281f0e1fae3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x2ae19c57e621c35d73908238d5d4c1aa7e34b05b66cba15d803a940c8ff19d3b",
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             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                }
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+                "nonce" : "0x01",
+                "storage" : {
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g1v0.json
index 8680e4f67..69f381ecc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g1v0Filler.json",
-            "sourceHash" : "42b10b4c0a83373edeeb754141c80254bb1b386119b89028a834f4a39449de42"
+            "sourceHash" : "6598dde62aca3855424c5249d4e0c26b2076fd8866b1412e8d7c1c83cb17af0f"
         },
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
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-                    "mixHash" : "0x2b7a3c7cd0b5786d53daee59fffbaa7285cf14eee30d75c96d52bb8397539733",
-                    "nonce" : "0x79000f7c0789d57f",
+                    "hash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
                 "storage" : {
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-        }
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g2v0.json
index cdbed3e41..8553f0b44 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g2v0Filler.json",
-            "sourceHash" : "29cce204a75676833efad7d00192d1a0e6454058592dd39e2b1ba5e8ccd553e9"
+            "sourceHash" : "eced3e8ed0305e6df2676121719bb2e428967ee23eb5bb7f5260e934901d0bfa"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x2cf4dcc75eab27c69b5a6f5f082f877b6346bb53a2d71a299b05aad69449fa46",
-                    "mixHash" : "0xc2774b9c68d2bae21f90fb360ff2435df3659a3d31c9fe7e2f18228c62eeb288",
-                    "nonce" : "0x32e4842843622a75",
+                    "hash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2cf4dcc75eab27c69b5a6f5f082f877b6346bb53a2d71a299b05aad69449fa46",
+        "lastblockhash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g2v0Filler.json",
+            "sourceHash" : "eced3e8ed0305e6df2676121719bb2e428967ee23eb5bb7f5260e934901d0bfa"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045",
+                        "s" : "0x7c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g3v0.json
index 82f02a80d..109966bae 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g3v0Filler.json",
-            "sourceHash" : "d84851a6e498f0091c196acc4be4a9c3419f2a8cdd082e8fb428626c6f7b6c6f"
+            "sourceHash" : "d59e309c9e97a1a0a8f296678307fda014cb1e6bf95851811d255150ee8afcd4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x7ddcefe8bbe0073f3afd6d236f9aa7496f78781426e1e60cc6de5cba0d35dbda",
-                    "mixHash" : "0xc95c584f88b3cd4318fa97bfa9c8240fa43e171bcab630a00e17cd2a8f827718",
-                    "nonce" : "0x289c8b6d293c6578",
+                    "hash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x7ddcefe8bbe0073f3afd6d236f9aa7496f78781426e1e60cc6de5cba0d35dbda",
+        "lastblockhash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_155000_d0g3v0Filler.json",
+            "sourceHash" : "d59e309c9e97a1a0a8f296678307fda014cb1e6bf95851811d255150ee8afcd4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x88dd88811c90536a48cdf117eeb3e1e4649d4d4c7097a6d67c6b304b2794555e",
+                        "s" : "0x485053724e36c34440493cb0e95f26022429d300827b0140fd7e0c549f6c8476",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760876004356004013511151558576004356004013560200160043560040161014037600161024061014051610160600060056305f5e0fff11558576001610220526102206021806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g0v0.json
index 299f9e8da..c1d24d61a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g0v0Filler.json",
-            "sourceHash" : "6cfb83896cbd7d44ca9e6e2f86b0809da82df88a8295726648bb5a34f4d57553"
+            "sourceHash" : "6caa1e5c334fbed791843b98563ab2ba0c5f841cf00038d678e81b5b76348683"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa82c",
-                    "hash" : "0x4656280612deeedf84555f06407645fc4f8b96a156481bd71cc15f906e8860f5",
-                    "mixHash" : "0x94676350aa31e5484df2b0560943b9e0bdef9c1348951878730782e2d8b0864a",
-                    "nonce" : "0x00eb200df5c1d738",
+                    "hash" : "0x6fd259998b21ec5d7b55789b0f4f84da407e639c91e1501812449b8b740fc4a2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0x7917d558998776091d17c1b01e1ad00e9bb51ad9e0da96ce5c0a13328253097b",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xcdab6a76468d10e78cc4326adbf64787064660062abfbfde438dc8f125ce2e0e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4656280612deeedf84555f06407645fc4f8b96a156481bd71cc15f906e8860f5",
+        "lastblockhash" : "0x6fd259998b21ec5d7b55789b0f4f84da407e639c91e1501812449b8b740fc4a2",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g0v0Filler.json",
+            "sourceHash" : "6caa1e5c334fbed791843b98563ab2ba0c5f841cf00038d678e81b5b76348683"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xa82c",
+                    "hash" : "0x266f02968199b6caab78a49c27f93b6c963e6f00f2ad5ac3c6da7eedf9b67094",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0x7917d558998776091d17c1b01e1ad00e9bb51ad9e0da96ce5c0a13328253097b",
+                    "stateRoot" : "0x12c0919184a23ca2c13151a8bcbfab34315f429ce83a91e9fc028f084e55c10a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xcdab6a76468d10e78cc4326adbf64787064660062abfbfde438dc8f125ce2e0e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xa82c",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2bb95d9b82328849ca2842774c988419b3a340682f7806e6601bf7f5f800c700",
+                        "s" : "0xc5e935dd0616d1bbb41793bd39ed7bc4bd5f11f5918f3eb48f7703df7f6d76",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x266f02968199b6caab78a49c27f93b6c963e6f00f2ad5ac3c6da7eedf9b67094",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaa1a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a76155e6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g1v0.json
index de8c8e33b..6eb98cfaa 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g1v0Filler.json",
-            "sourceHash" : "bbff0f93104d66e274efee60776e9e7ee96d6e7e5360ffa6eb74eb0935347cdc"
+            "sourceHash" : "12fb76edb1a9488169b64bfb3dc8af793dc706bcb524cf005ff62c50d65df642"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x3a39f5e5be2632be91bc70f17397106398e4981ce7cf2022f0e6c831d14f2845",
-                    "mixHash" : "0xb1ea079f90fd49fc975f6f632b517dde5040849caf7f4371c0d174b865247b7f",
-                    "nonce" : "0x5681fe72fb6b3d29",
+                    "hash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3a39f5e5be2632be91bc70f17397106398e4981ce7cf2022f0e6c831d14f2845",
+        "lastblockhash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g1v0Filler.json",
+            "sourceHash" : "12fb76edb1a9488169b64bfb3dc8af793dc706bcb524cf005ff62c50d65df642"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x4d013996eb15f31f163da6d89fd506b47c24e49c0c56e7105a2d81347f28a8db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x62ab6b0f8b2e80a49163c77b074b77c863261268b3cadd851cd172b491638259",
+                        "s" : "0x2b5f110ddf647ab9ecafc1a2233424a0666e25d8738716f75fae1fe1c70d31e5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4d013996eb15f31f163da6d89fd506b47c24e49c0c56e7105a2d81347f28a8db",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g2v0.json
index 50fb163fa..3b3d35eec 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g2v0Filler.json",
-            "sourceHash" : "2d273e9b6b33f8d5d0721b0a25ddf5ab4a196d528798fbc6295215d5cf3127bb"
+            "sourceHash" : "1777242fdd8bf88d516fbab585031b8a36c78499c4ee327a854bb3261db07050"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x8fea322b8219013690391ae2e33eb5d3aa8d640848d892b08fc6f5740a08e56e",
-                    "mixHash" : "0xc4bf027b56c229f8cd3cc7aa5af99dcec1721e675cad60db713885abe772c969",
-                    "nonce" : "0x1f4da0a441bc428c",
+                    "hash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8fea322b8219013690391ae2e33eb5d3aa8d640848d892b08fc6f5740a08e56e",
+        "lastblockhash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g2v0Filler.json",
+            "sourceHash" : "1777242fdd8bf88d516fbab585031b8a36c78499c4ee327a854bb3261db07050"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045",
+                        "s" : "0x7c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g3v0.json
index c97cbbee0..756a6077c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g3v0Filler.json",
-            "sourceHash" : "7a158e3d25bf0978478a0307ea1c53ba61887e598c1786ada0bbcc2912be2f22"
+            "sourceHash" : "1f31e81bffba7a712bd3b3633dbda31baf4802a4b289ebc67ea8e81f29ee4443"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x4b9b45be434d712fd1996f7277ffef8f48e9e97c93f56fd391fd38eb946c0bd5",
-                    "mixHash" : "0xdbd6ab41cf4c125740e3c2b6a558ea887975134107d7b8a0b4b41064d74d33e5",
-                    "nonce" : "0x9cfe25e2e4acfd14",
+                    "hash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x4b9b45be434d712fd1996f7277ffef8f48e9e97c93f56fd391fd38eb946c0bd5",
+        "lastblockhash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_20500_d0g3v0Filler.json",
+            "sourceHash" : "1f31e81bffba7a712bd3b3633dbda31baf4802a4b289ebc67ea8e81f29ee4443"
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+        "blocks" : [
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
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+                    "nonce" : "0x0000000000000000",
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+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
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+                        "v" : "0x1c",
+                        "value" : "0x00"
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+                "uncleHeaders" : [
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+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
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+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            "0x0000000000000000000000000000000000000007" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
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+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
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+                "code" : "",
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+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g0v0.json
index 8d0e68a2a..30bbe9b79 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g0v0Filler.json",
-            "sourceHash" : "2e6097b7eb7edf4325bbceafc546a1c229f05f19e8703cb639c68e3c43336827"
+            "sourceHash" : "940086a8160ae47d7cd31c2e69415187bfadedaae553f4287c09c34c6557a11b"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x57fa987e7161424b804c3026afe17ab5c320a2f679f5771d5a7fb777ce66b2cd",
-                    "mixHash" : "0x14ceda9459a4a115a3cdb074db80a92cf01e3978b84a4448e384ce06d4d097b5",
-                    "nonce" : "0xde2ef04276a7825a",
+                    "hash" : "0xec55ce2e9c4dbab76d1c26f81c95c8a7df7a544c3bd29d7cd10544295b4f707b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+                "code" : "",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
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+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
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+                "storage" : {
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g1v0.json
index 7de41aab4..f42705a66 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g1v0Filler.json",
-            "sourceHash" : "b1093c69714e620d232ee1c0c2c0d1e76c1349817f5cf033d9b43196d30f1aab"
+            "sourceHash" : "0c05e495d50f3e1d0aa719636d84d4c784f470ebf8371e09fcbd1cec9775a1d2"
         },
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x7856db9bdec413dcee7323ddaee56ea6365604f769296658929f0ec4ae1cb1a8",
-                    "mixHash" : "0xa764e02d9f0c417bbaa0a6e19f032ace4137c8ba5d048782b5c729a909be589d",
-                    "nonce" : "0x6e7afe0be434ae05",
+                    "hash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
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-        }
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+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g2v0.json
index f814db8df..514127c62 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g2v0Filler.json",
-            "sourceHash" : "699c43c5053f3837ba2eb23e25380f436ebb30b8a6e220da973f3feb9494b9e5"
+            "sourceHash" : "ca3c76b9ae8af728d1bdcbeb8d6002bc20f01b8ef0cf8ab175041db76ea27191"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xe728305ebbcdcd2363a8e11d886b22b6451cc973f11fb0e0c38b9126e2740c95",
-                    "mixHash" : "0xdb6b4875dafc3dc22ab167e4f8e839e658210f48556abafdfe876089ee863f96",
-                    "nonce" : "0x54edf7d9a27e0d8a",
+                    "hash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0f49eaaed5bb9909eb2c71a61aeb584fefd46ef0f4adafa209e977c9de5f4f0c1a0bf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a0db6b4875dafc3dc22ab167e4f8e839e658210f48556abafdfe876089ee863f968854edf7d9a27e0d8af90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103056400000000000000000000000000000000000000000000000000000000001ba0588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045a07c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706c0",
+                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0f49eaaed5bb9909eb2c71a61aeb584fefd46ef0f4adafa209e977c9de5f4f0c1a0bf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103056400000000000000000000000000000000000000000000000000000000001ba0588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045a07c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706c0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe728305ebbcdcd2363a8e11d886b22b6451cc973f11fb0e0c38b9126e2740c95",
+        "lastblockhash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g2v0Filler.json",
+            "sourceHash" : "ca3c76b9ae8af728d1bdcbeb8d6002bc20f01b8ef0cf8ab175041db76ea27191"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a00f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1eea0bf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f9012501018301adb094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103056400000000000000000000000000000000000000000000000000000000001ba0588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045a07c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045",
+                        "s" : "0x7c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g3v0.json
index c1735cb07..959f839e0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g3v0Filler.json",
-            "sourceHash" : "62199175cf966f1ec726afc5dc1b66a21d5d8b7fd4cd436461c8eea781ff9f91"
+            "sourceHash" : "6100af0d1d0d76758125b6c61db592b9f43fdf30d7652a7c51da867a117d8128"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x3a46f79be11007497df2e74b8ccaa4e13e21780e05397f919dd208434c96ad05",
-                    "mixHash" : "0xdeaeb310b85734b5fc062a16c1b805b45e5613fce47273c9aeefe2106f81a516",
-                    "nonce" : "0xe71089b1a0cc1d04",
+                    "hash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3a46f79be11007497df2e74b8ccaa4e13e21780e05397f919dd208434c96ad05",
+        "lastblockhash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_22000_d0g3v0Filler.json",
+            "sourceHash" : "6100af0d1d0d76758125b6c61db592b9f43fdf30d7652a7c51da867a117d8128"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x88dd88811c90536a48cdf117eeb3e1e4649d4d4c7097a6d67c6b304b2794555e",
+                        "s" : "0x485053724e36c34440493cb0e95f26022429d300827b0140fd7e0c549f6c8476",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g0v0.json
index 794fdab06..9cc55236d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g0v0Filler.json",
-            "sourceHash" : "8664fd87e893797c6b1c7976cc14408e289b27fda6ba3c4758104a6a0b9e69d8"
+            "sourceHash" : "23acbfd8e1af634b3d979b4fb0e9dfb7ef1b281c202a967d48c407d36c36a771"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xdb18c21d020c2e1393f703ede612326ef48070823d4b1821cdd86fb42f1cafbd",
-                    "mixHash" : "0x22d23addbdff26867f73ad08987284a380ff53fb9dd9bede1585dc135b27a353",
-                    "nonce" : "0xb26369b13125854f",
+                    "hash" : "0x0533083d9805d01041d1ac68176eac40e314c721a774ed85ddaec66783f9f180",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x2906c7ee6426a4c3545aeb4e9cd1a595d35b36b97aa4eaa9fbc9867094043cc4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xdb18c21d020c2e1393f703ede612326ef48070823d4b1821cdd86fb42f1cafbd",
+        "lastblockhash" : "0x0533083d9805d01041d1ac68176eac40e314c721a774ed85ddaec66783f9f180",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g0v0Filler.json",
+            "sourceHash" : "23acbfd8e1af634b3d979b4fb0e9dfb7ef1b281c202a967d48c407d36c36a771"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x2b794214ec2cebe497887d6538eca01d3e8e52e023f62c420fafc47c21450656",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x2906c7ee6426a4c3545aeb4e9cd1a595d35b36b97aa4eaa9fbc9867094043cc4",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xb9c0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xfd5a8c3b0bbbd3faed47a2af3ba536e36a2d4a4ede8efc7910ab7cede5ec7f5a",
+                        "s" : "0x7d88b9dcfe878db1d88c9735ae6c7cecc273b064424fa109c963638d0c3016b0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2b794214ec2cebe497887d6538eca01d3e8e52e023f62c420fafc47c21450656",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g1v0.json
index ea0ae6b80..c7a548b12 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g1v0Filler.json",
-            "sourceHash" : "5808f09a7869928814e7b145472ca34ef2aed4564d34d89bf0a08113854551a6"
+            "sourceHash" : "a9ca265434d6be2352901268b46c20a637b4573188a97c23ebaa9fbe0716038d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xcf34b6d3b62578c3bf3cd9be119752ee8c75a7be02508f97d98623f1633c3a8f",
-                    "mixHash" : "0x9daf91c99c8ec1b855130009b34ed05bbdbff26198b1f718e6b9203f6d4a3006",
-                    "nonce" : "0xb2a69fb10c713505",
+                    "hash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0f49eaaed5bb9909eb2c71a61aeb584fefd46ef0f4adafa209e977c9de5f4f0c1a0f8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a09daf91c99c8ec1b855130009b34ed05bbdbff26198b1f718e6b9203f6d4a300688b2a69fb10c713505f90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103056400000000000000000000000000000000000000000000000000000000001ca062ab6b0f8b2e80a49163c77b074b77c863261268b3cadd851cd172b491638259a02b5f110ddf647ab9ecafc1a2233424a0666e25d8738716f75fae1fe1c70d31e5c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcf34b6d3b62578c3bf3cd9be119752ee8c75a7be02508f97d98623f1633c3a8f",
+        "lastblockhash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g1v0Filler.json",
+            "sourceHash" : "a9ca265434d6be2352901268b46c20a637b4573188a97c23ebaa9fbe0716038d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x4d013996eb15f31f163da6d89fd506b47c24e49c0c56e7105a2d81347f28a8db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90327f901f8a0e53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a00f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1eea0f8a95933bfcf2c1548fbb719e71489834c7fc075918807fa2ef7d064f31b4468a0e3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ad918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f90125010183015f9094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006300000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103056400000000000000000000000000000000000000000000000000000000001ca062ab6b0f8b2e80a49163c77b074b77c863261268b3cadd851cd172b491638259a02b5f110ddf647ab9ecafc1a2233424a0666e25d8738716f75fae1fe1c70d31e5c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x62ab6b0f8b2e80a49163c77b074b77c863261268b3cadd851cd172b491638259",
+                        "s" : "0x2b5f110ddf647ab9ecafc1a2233424a0666e25d8738716f75fae1fe1c70d31e5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4d013996eb15f31f163da6d89fd506b47c24e49c0c56e7105a2d81347f28a8db",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g2v0.json
index 353cc34f9..9548b68a3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g2v0Filler.json",
-            "sourceHash" : "4781bf98d55ef2bd3b4ec4f9f081827acefd50428a20e9ec7e743a62f6af0af9"
+            "sourceHash" : "faa6805e41c1ff3a8088fbd3fff234c7092ca0f6b9a30f7234ba650ea5ce246f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xbd41022b9fa043d5620d71d968c2d751741a45b7a2175e5b410d42b4a9cc32fb",
-                    "mixHash" : "0x6bc90b3a99e05b254a9fbb282483dd0db2663a983529cacfe180668fb3788c3d",
-                    "nonce" : "0xe70305c88d52281e",
+                    "hash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbd41022b9fa043d5620d71d968c2d751741a45b7a2175e5b410d42b4a9cc32fb",
+        "lastblockhash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g2v0Filler.json",
+            "sourceHash" : "faa6805e41c1ff3a8088fbd3fff234c7092ca0f6b9a30f7234ba650ea5ce246f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045",
+                        "s" : "0x7c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g3v0.json
index 1991a0678..c11fe3aef 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g3v0Filler.json",
-            "sourceHash" : "9362df3f5c2357b48aa2f9fad9d31ce6aff6724d7d97bfbf58164ddd11fcd140"
+            "sourceHash" : "4facf2577a553d148584c72a60ba0a195f1ebd9ecd20fa4404700915d16757ea"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x4b9446f44fd946509bb5b974469d301697eb97d36d6f89f6f48562519232710f",
-                    "mixHash" : "0x7f81c17f3a9e6fa1f15442daa90ef6031b634f3a604f4ead77a7c44bf4116dc4",
-                    "nonce" : "0xf671748fcbe81119",
+                    "hash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4b9446f44fd946509bb5b974469d301697eb97d36d6f89f6f48562519232710f",
+        "lastblockhash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_25000_d0g3v0Filler.json",
+            "sourceHash" : "4facf2577a553d148584c72a60ba0a195f1ebd9ecd20fa4404700915d16757ea"
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
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+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
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+                    "hash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
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+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
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+                        "v" : "0x1c",
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+            }
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+        "genesisBlockHeader" : {
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+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
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+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
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+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "nonce" : "0x00",
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+                "nonce" : "0x00",
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000006" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g0v0.json
index d3198372f..4651536bf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g0v0Filler.json",
-            "sourceHash" : "1665f138200aec29860985588d278e84c7473927477ab885509c19a718467f54"
+            "sourceHash" : "ef5c2d1f5f3c6651918dcfffa4b3f7b0f7c807c5d7b61f7f408e3fabb67e418a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xf1e9218f7e4c787a3c3bf2bd5b4251d62cf3b783726dfe5e5d2d49a57b4653b7",
-                    "mixHash" : "0x59b0dd51bf58ae1ebcdf86df0eac5b29e4f00a82135f569069bb2d77c1747034",
-                    "nonce" : "0xb3abb26a82a18609",
+                    "hash" : "0x0082248be8b844bd9f30d8cd264f3d851148a0184b438557fc707ff1cfddc3bb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
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@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x714aee2c3eac27f8725ad92e6e20ff8318d400cbd1a9c487397b03d589a55e92",
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0xf1e9218f7e4c787a3c3bf2bd5b4251d62cf3b783726dfe5e5d2d49a57b4653b7",
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         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                }
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+                "nonce" : "0x01",
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     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g1v0.json
index 423cf931c..9552f9215 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_35000_d0g1v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g1v0Filler.json",
-            "sourceHash" : "27701c328d623d3279699f20af0186e354530952abc2f7d0bfe86b0ce92ad715"
+            "sourceHash" : "580709b3f340a092ab93cce59c638940ed0eca4833155c57910eaf9613636612"
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             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xad91",
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-                    "mixHash" : "0xafe81f43420f746af2b3f262af166fb5ebab1d272b5c0a100d1f0367b215ddaa",
-                    "nonce" : "0x94d3ee828cd2a5a4",
+                    "hash" : "0xb75e536556b667c016b316ab3bf39cb55053102e7e55ff8ee25112545c7d7e71",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g2v0.json
index 1ec0f927c..955850bf2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g2v0Filler.json",
-            "sourceHash" : "2280ceca79b6e4392382a7a9d821f25e008600ef83f53b8a8d640df66ad1146b"
+            "sourceHash" : "d271256376ccac66d2f1c094aafc75263a13cdad26708a0edfc8f12f956900d3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0xf7d7e9ab2c98cc654ad40421decaadc88ce256813470e82427215e73475c7b7d",
-                    "mixHash" : "0xef4f6a991047560b1c9da63d4ec3128338d5564a542e658a0ca74516b78a2bde",
-                    "nonce" : "0xdb20dc57b3f0f62c",
+                    "hash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf7d7e9ab2c98cc654ad40421decaadc88ce256813470e82427215e73475c7b7d",
+        "lastblockhash" : "0x04cc6de0bf29bf373c9045946fab601d372010619c03003f1e359c58594aab28",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g2v0Filler.json",
+            "sourceHash" : "d271256376ccac66d2f1c094aafc75263a13cdad26708a0edfc8f12f956900d3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbf97606e56b20491bfbf0c54cd8031ed0e4c9f17c924a9dfe9c54adef14fbf69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x588e608980b267da5171e3e8cc276a9685ce23ad5b3d12de672eae1e855b0045",
+                        "s" : "0x7c1d03f332558c115c011112f56671417c8e7f8c6517ae0f7df90e5885674706",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x98238dedd65131123fa47f544dd44d430227a46f65b6aaac83f9681e4a5f9744",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g3v0.json
index e7b4ecfbb..1539aac9a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_3_5_100_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g3v0Filler.json",
-            "sourceHash" : "42138109bb7e06276e3eb527fadfa80dc946a9c693c014dab53f68e2303e2354"
+            "sourceHash" : "0e3834bc39065933b71754dfc6e3cb2187c4eba5a6f7b42053e4562394980a10"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xad91",
-                    "hash" : "0x6a1a8a1fc75d344c7428bd76eeb5cc7bfd00e23162a0aa3f7e75cd9b38c088e8",
-                    "mixHash" : "0xc95f6fbbcc8341c56d136cd43c1e7767a171149587363ae777517a82dced7367",
-                    "nonce" : "0x5da7dc1102743c6e",
+                    "hash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
                     "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61faa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x6a1a8a1fc75d344c7428bd76eeb5cc7bfd00e23162a0aa3f7e75cd9b38c088e8",
+        "lastblockhash" : "0x8666fbf97da014dae907a018772ac384ded13d66fbad27ba1902861c1737ed9f",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_3_5_100_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_3_5_100_35000_d0g3v0Filler.json",
+            "sourceHash" : "0e3834bc39065933b71754dfc6e3cb2187c4eba5a6f7b42053e4562394980a10"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xad91",
+                    "hash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+                    "receiptTrie" : "0xe3c462c239fad6d3df5e66b2d9880036ca38b4a581674e439d425b540bb2f4b6",
+                    "stateRoot" : "0x0f35a85fbcea8137cb560f2666cca50eb908d61e1afa6879a95a2800df35f1ee",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc396861cb69673079dd2fae3a8f87a57455a9563ed2153cdaed65a7aa816b050",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010305640000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x88dd88811c90536a48cdf117eeb3e1e4649d4d4c7097a6d67c6b304b2794555e",
+                        "s" : "0x485053724e36c34440493cb0e95f26022429d300827b0140fd7e0c549f6c8476",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe53bc059c0ab1f08cbe0f5ecb0eb7f6e0db4b8d600acc5b6f1af8fc463363323",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6dbb1656180a0ac8db14eca34dc922806a37994ed251b9b9a32e8a77f0ef61fa",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6d45552bdcbe708f0033b7e6bd3fa5f32d5e643ed7343e58f71f1794f6dee8a5",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaf7f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615081",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x728b8dbbe730d9acd55e30e768e6a28a04bea0c61b88108287c2c87d79c98bb8"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g0v0.json
index b63bf914a..746d44aed 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g0v0Filler.json",
-            "sourceHash" : "3a248babd5e7a890104ca8a93ac916def125f1643c79f84bd986f384fe976065"
+            "sourceHash" : "8e9bf02d96aa1f3065052fcc4ae7459336b7725d8496483ec2ca0e78d2d17914"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0xbecd56d2244c4b7d9921d4d80546d9ac1ffdf76f9b623231189f62217ef053fc",
-                    "mixHash" : "0xe153e233461aaf955fc5c74d8b9e561362e17ced7601a4bdf320d32593e80abe",
-                    "nonce" : "0x18abc30dd93bfd2b",
+                    "hash" : "0xe980e32e111a50125b2c98b40c972248d3a966472fcd6b2bbb72f01681fc021b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd2dc67fff0b47fe7eb4b6478388102b238934cb8bd6df786f6f4664cc147f23e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90327f901f8a0e11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cfa01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0636fcb36d84a328dfed6271bacd92f6b7bcc08c7b5fd4bc8a951aa8896d95545a0d2dc67fff0b47fe7eb4b6478388102b238934cb8bd6df786f6f4664cc147f23ea0894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ae138203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f901250101830f9ad894c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006500000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000231096109610000000000000000000000000000000000000000000000000000001ba0dca8d86f9ecfab4255391488ca9cec86587212248c4b6b2a22cf0387fece23c3a0724d1ed190b546e11d020a5b5600a06952742e9c2443e61cf46438d26321c4abc0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbecd56d2244c4b7d9921d4d80546d9ac1ffdf76f9b623231189f62217ef053fc",
+        "lastblockhash" : "0xe980e32e111a50125b2c98b40c972248d3a966472fcd6b2bbb72f01681fc021b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g0v0Filler.json",
+            "sourceHash" : "8e9bf02d96aa1f3065052fcc4ae7459336b7725d8496483ec2ca0e78d2d17914"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0x163bd25ef4761053c7de36dd9cf21d7071c3137974990b1293ad5126b55343b9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd2dc67fff0b47fe7eb4b6478388102b238934cb8bd6df786f6f4664cc147f23e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0f9ad8",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xdca8d86f9ecfab4255391488ca9cec86587212248c4b6b2a22cf0387fece23c3",
+                        "s" : "0x724d1ed190b546e11d020a5b5600a06952742e9c2443e61cf46438d26321c4ab",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x163bd25ef4761053c7de36dd9cf21d7071c3137974990b1293ad5126b55343b9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g1v0.json
index 266c85b3d..d913836d2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g1v0Filler.json",
-            "sourceHash" : "4b97e7bed612204e28e56f505152382282f6d128d3e9cc153cf6a36f205b0b1c"
+            "sourceHash" : "f92b791ae6dadaa22b23ec8e62dde7a99a17163c1ebd9b9d445cf53308c2aca4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x70028c0ecfaee21bafe30fb756e6ba18fb2554c3709d88350671b0a769c94150",
-                    "mixHash" : "0x2469fdc784f15d7e0975c2e0212f93f58083f06ddd791c8940e423466f434177",
-                    "nonce" : "0x37dca41fec709c03",
+                    "hash" : "0x5968634db553602c7b8a6f7f18de5c9ad96207ebbef3bf0bcb4104d52326bdfd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc97e80ffc13d5fbbf775b660e05a4b8a3857a56bfcee6cb4e7781bf2dacf2b45",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x70028c0ecfaee21bafe30fb756e6ba18fb2554c3709d88350671b0a769c94150",
+        "lastblockhash" : "0x5968634db553602c7b8a6f7f18de5c9ad96207ebbef3bf0bcb4104d52326bdfd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g1v0Filler.json",
+            "sourceHash" : "f92b791ae6dadaa22b23ec8e62dde7a99a17163c1ebd9b9d445cf53308c2aca4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xa5f91fbce2e116c912e5dcd97e0bfd39f72a5dccf2fc0fb2528a47b133fb9d91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc97e80ffc13d5fbbf775b660e05a4b8a3857a56bfcee6cb4e7781bf2dacf2b45",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9998219019132af003a64014150a4dc4e1f442068d7d0b584036fbd98d99da75",
+                        "s" : "0x3c6ee062a2090a644355365e3b7ccf73eb7d0b7b20de52a0604e58603668b892",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa5f91fbce2e116c912e5dcd97e0bfd39f72a5dccf2fc0fb2528a47b133fb9d91",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g2v0.json
index 1323518e3..3346a48d2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g2v0Filler.json",
-            "sourceHash" : "d5e3499f566aef8ac350ea9b7654332e1b77ad30e4fd4efb54c656e65cb68a7c"
+            "sourceHash" : "b1154278180fd7b340c4fcd236d54329d5ff8815a83ce1198177e6cb3b3beb66"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x6154eb1fc5afa9d3bdbb1e3c2ad82c6fccdb83db65f478d4de8d6c2eb4a2f79d",
-                    "mixHash" : "0x22693f221c3d03363b9047f6a82019a1df5be4b19f369101e2a3f34d30270b84",
-                    "nonce" : "0xea5bb4709223e1c8",
+                    "hash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6154eb1fc5afa9d3bdbb1e3c2ad82c6fccdb83db65f478d4de8d6c2eb4a2f79d",
+        "lastblockhash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g2v0Filler.json",
+            "sourceHash" : "b1154278180fd7b340c4fcd236d54329d5ff8815a83ce1198177e6cb3b3beb66"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9e8e2b8117fcd87cefbdc02a00e733d3e375c5a04891c45954d467ca86ee02c1",
+                        "s" : "0x4c62750b147d73a68235f62dd323b2ab77ea988566281fe396c3341c882cbeae",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g3v0.json
index 970c1e078..e93366c6b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g3v0Filler.json",
-            "sourceHash" : "a54bf52fdf7896a6deb37706a735f92d3384abf161f3eeb5b9840cd16a6a3c74"
+            "sourceHash" : "de01277c240577ec61923bc0cb14a6eff72832dfb3cf642d7d29a8eb10ab94c7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x45a3d14da9421922f79b678333cab34b98b48f1f891412c534f3eaa913a1fc4a",
-                    "mixHash" : "0x5932c5e0a101866c2153894379433a044fe45cb29784318c340c35e114ff2de9",
-                    "nonce" : "0xfb9a887d32e1ed65",
+                    "hash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x45a3d14da9421922f79b678333cab34b98b48f1f891412c534f3eaa913a1fc4a",
+        "lastblockhash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_1000000_d0g3v0Filler.json",
+            "sourceHash" : "de01277c240577ec61923bc0cb14a6eff72832dfb3cf642d7d29a8eb10ab94c7"
+        },
+        "blocks" : [
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+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
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+                    "nonce" : "0x0000000000000000",
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+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
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+                    "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "v" : "0x1c",
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+                "uncleHeaders" : [
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+            }
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+                "nonce" : "0x00",
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+                "code" : "",
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+                "storage" : {
+                }
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+                "nonce" : "0x02",
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+                "nonce" : "0x00",
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g0v0.json
index 092ef1af4..3c6996688 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g0v0Filler.json",
-            "sourceHash" : "ccffb709240ca7c1525253eb5acc8d3726cb2f573ba2b64b89fa72d892936d56"
+            "sourceHash" : "7aad2484ba7d7000519a0f009fa4f02757d55d42e19a9909997e57fc60a46afc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x0f9dd986a07990ed1353f409f74574b92224a69997f5e1324186b7533a0dfe41",
-                    "mixHash" : "0x27c22e97d079069abdc165def9d528853865a557c1db594e3b2bf82df8483eff",
-                    "nonce" : "0x5b3d9d00bc3ff61c",
+                    "hash" : "0xbcf152beb01a988d1f2d5f75979d2710327a4124cb0047e1167f63123d15dab2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x0f9dd986a07990ed1353f409f74574b92224a69997f5e1324186b7533a0dfe41",
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         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
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-        }
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+        "sealEngine" : "NoProof"
+    },
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g1v0.json
index 07b444bcc..8d208346e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g1v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g1v0Filler.json",
-            "sourceHash" : "288d5bf6521cedd90765929e73a27066408475794f362caf3e33a5effa26f222"
+            "sourceHash" : "7df6869511459e9e7aaf933c2fff9cae82b0c921ed4e3e5df770b79fa3ca3749"
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@@ -16,9 +16,9 @@
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-                    "nonce" : "0xe1d0ac25c6db9e64",
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@@ -27,7 +27,7 @@
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@@ -224,6 +224,235 @@
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g2v0.json
index 714be76a3..e6f756819 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g2v0Filler.json",
-            "sourceHash" : "9c2348868a79ec842d6cb78d78ee80a6fd881eddc56435de269aaf50355f73b7"
+            "sourceHash" : "327a807aca761fe02d9bdc07a3d72df3e985a94a033803e3769619ccfd63a273"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0xd4160c0dc20a11eb37c6f74838dfd5ac9424530c0879d90cda846b9806ac8d2c",
-                    "mixHash" : "0xe0c56434532c848fdeefc475aca62a50cd11a456c6f3a63c5773f2b6b1978fba",
-                    "nonce" : "0x68a40fc6967e2d6c",
+                    "hash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd4160c0dc20a11eb37c6f74838dfd5ac9424530c0879d90cda846b9806ac8d2c",
+        "lastblockhash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g2v0Filler.json",
+            "sourceHash" : "327a807aca761fe02d9bdc07a3d72df3e985a94a033803e3769619ccfd63a273"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
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+                "transactions" : [
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+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9e8e2b8117fcd87cefbdc02a00e733d3e375c5a04891c45954d467ca86ee02c1",
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+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
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+                ],
+                "uncleHeaders" : [
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+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
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+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+                "nonce" : "0x00",
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+            },
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+                "nonce" : "0x00",
+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g3v0.json
index e4fc91070..2415127be 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g3v0Filler.json",
-            "sourceHash" : "e77068aa6980e9d9238e69cad51148ee894d63fc7299f36850cd2644de23b5ba"
+            "sourceHash" : "eed165204bdab9a3939aa8aa36aa10096a4bae25f1e365008e487bde970671b6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x3d04c4b73722420b02df7986bc3566d5411716bcce16890a2353e8b0c6b8f2bf",
-                    "mixHash" : "0x6bbdbb40e2783dce1abb89d0f11ae80b66735a58d0f4c69ba9bd7c7bb2795ae4",
-                    "nonce" : "0x8c3fa293352dc831",
+                    "hash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3d04c4b73722420b02df7986bc3566d5411716bcce16890a2353e8b0c6b8f2bf",
+        "lastblockhash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_155000_d0g3v0Filler.json",
+            "sourceHash" : "eed165204bdab9a3939aa8aa36aa10096a4bae25f1e365008e487bde970671b6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x82e6f22204c2d7679f7ab7a8f6561a26d8ee9e2b4b0d3b93d7c0af5cc0e70b91",
+                        "s" : "0x390a239c5286f369014475869a2c8518d5e5c3a9b28bb5862712858fd49fa3f4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g0v0.json
index 4082e67fc..39628690d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g0v0Filler.json",
-            "sourceHash" : "8193bab09e786c3599c0808b21cd7386b07c302683540fbffe6cbfe0634d9a48"
+            "sourceHash" : "8913c18027e2abe46502e02f124303522e2d07d83fd127ccdba9a1ff102a7b1b"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xa8ac",
-                    "hash" : "0xa576f5c9166e83108fcd7d2ea4cf98b0c5e0b586677d58b99f6d17c855f1b25a",
-                    "mixHash" : "0x0be6dd068b1150281c69a38abcddafe5c33c8a1f91bb201ee8109c0c1d40120e",
-                    "nonce" : "0x7f64f29940f2f366",
+                    "hash" : "0x0a978d27a805d6fd94c37a1cdd644ae6d2b65316faffbe1b6be2c93bfa401e90",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0xf5a2cfc96097dbe9e86f4a5c030ce4d35c30103fee5dcb55b72d6383570e3f5d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd1c1a417285975967a674aa230d24dbdb4193dc6307f167e466bd8e9aaa18b4e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa576f5c9166e83108fcd7d2ea4cf98b0c5e0b586677d58b99f6d17c855f1b25a",
+        "lastblockhash" : "0x0a978d27a805d6fd94c37a1cdd644ae6d2b65316faffbe1b6be2c93bfa401e90",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g0v0Filler.json",
+            "sourceHash" : "8913c18027e2abe46502e02f124303522e2d07d83fd127ccdba9a1ff102a7b1b"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xa8ac",
+                    "hash" : "0xbce2d7c303f4d593c6ff5d21e4ada14657d1c38a4138b3bf9b979cf47e35c32e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0xf5a2cfc96097dbe9e86f4a5c030ce4d35c30103fee5dcb55b72d6383570e3f5d",
+                    "stateRoot" : "0xabcf903e673f0eafa53d53c9e3d0fbd241881650226de58e6bd3e1fff54aca94",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd1c1a417285975967a674aa230d24dbdb4193dc6307f167e466bd8e9aaa18b4e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xa8ac",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xbcad13a8ab619a2236ce3a99795b6047fdb3e1b0670b1618f50d512c315a02d5",
+                        "s" : "0x24faaebc035b682b308e8d42ec5eda1597a8a23fea62c8bd540c2b94ebe62637",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbce2d7c303f4d593c6ff5d21e4ada14657d1c38a4138b3bf9b979cf47e35c32e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaaa9a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7615566",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g1v0.json
index 97053bb07..681cd4ee2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g1v0Filler.json",
-            "sourceHash" : "2ae9d7f4b44548c492d4e203340752f534e09e760d8595400fd1026ed89a1885"
+            "sourceHash" : "5bef237c3aedb3fefd9d045a47ed094d9c55825da43a96f96aa48f36051d9703"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0xeead8ce3bd3da48e2dede1163db03c28f92b0996d1649311bbd1d197b6a7ce17",
-                    "mixHash" : "0xcd0d16e3bebea3a7b3a6d9ae145528ca474b3f689c461243f9a37ba7f765f3c6",
-                    "nonce" : "0x13fb33f38af76be1",
+                    "hash" : "0x5968634db553602c7b8a6f7f18de5c9ad96207ebbef3bf0bcb4104d52326bdfd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc97e80ffc13d5fbbf775b660e05a4b8a3857a56bfcee6cb4e7781bf2dacf2b45",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xeead8ce3bd3da48e2dede1163db03c28f92b0996d1649311bbd1d197b6a7ce17",
+        "lastblockhash" : "0x5968634db553602c7b8a6f7f18de5c9ad96207ebbef3bf0bcb4104d52326bdfd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g1v0Filler.json",
+            "sourceHash" : "5bef237c3aedb3fefd9d045a47ed094d9c55825da43a96f96aa48f36051d9703"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xa5f91fbce2e116c912e5dcd97e0bfd39f72a5dccf2fc0fb2528a47b133fb9d91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc97e80ffc13d5fbbf775b660e05a4b8a3857a56bfcee6cb4e7781bf2dacf2b45",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9998219019132af003a64014150a4dc4e1f442068d7d0b584036fbd98d99da75",
+                        "s" : "0x3c6ee062a2090a644355365e3b7ccf73eb7d0b7b20de52a0604e58603668b892",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa5f91fbce2e116c912e5dcd97e0bfd39f72a5dccf2fc0fb2528a47b133fb9d91",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g2v0.json
index d29b177a4..6cd935642 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g2v0Filler.json",
-            "sourceHash" : "eafdd36f9ad63965723553c30004e03c69e24c90d8e5d284748b9ea3fbd9bb74"
+            "sourceHash" : "0bb2aac67b0c1a4c3cd89ff916ce5c1e03234c5e8c2905e9314ca626494d1a64"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0xf3df6272d3102cfa8e8a672e76fcacdc9807dec483514ff57fd01de3ad3804be",
-                    "mixHash" : "0xc33aa52da604172bf01f731fbf22b2c1f3d1110131fc3e32a01a4adfb6caeb3f",
-                    "nonce" : "0xd92625e849c824c9",
+                    "hash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf3df6272d3102cfa8e8a672e76fcacdc9807dec483514ff57fd01de3ad3804be",
+        "lastblockhash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g2v0Filler.json",
+            "sourceHash" : "0bb2aac67b0c1a4c3cd89ff916ce5c1e03234c5e8c2905e9314ca626494d1a64"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9e8e2b8117fcd87cefbdc02a00e733d3e375c5a04891c45954d467ca86ee02c1",
+                        "s" : "0x4c62750b147d73a68235f62dd323b2ab77ea988566281fe396c3341c882cbeae",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760896004356004013511151558576004356004013560200160043560040161014037600261024061014051610160600060056305f5e0fff11558576002610220526102206022806102808284600060046015f150505061028080516020820120905060005561028060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g3v0.json
index 6af09569d..1e1d3acff 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g3v0Filler.json",
-            "sourceHash" : "9ed68015de0c86a570feacbdc39c411abb13ca4a964dba9033d4c90c6ab5a0c3"
+            "sourceHash" : "2cfaca871e6293dd25b0e175f140a7e5677a75b824dc4484b3556d110bc29a10"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0xe239033749409772ef3b72a10c302c8b0fbd3db7978755bcfdca10151ddb29af",
-                    "mixHash" : "0x83ff48e419764a51d4d00135cbaa6ccd2bec4264e8ac4e5b59455ca90cea68a4",
-                    "nonce" : "0xcd07b819e2285a58",
+                    "hash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe239033749409772ef3b72a10c302c8b0fbd3db7978755bcfdca10151ddb29af",
+        "lastblockhash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_20500_d0g3v0Filler.json",
+            "sourceHash" : "2cfaca871e6293dd25b0e175f140a7e5677a75b824dc4484b3556d110bc29a10"
+        },
+        "blocks" : [
+            {
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+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
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+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
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+                ],
+                "uncleHeaders" : [
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+            }
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+        "genesisBlockHeader" : {
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+                "nonce" : "0x00",
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+                "storage" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
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+                "nonce" : "0x00",
+                "storage" : {
+                }
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+                "nonce" : "0x02",
+                "storage" : {
+                }
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+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+            "0x0000000000000000000000000000000000000007" : {
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+                "code" : "",
+                "nonce" : "0x00",
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+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0x3535353535353535353535353535353535353535" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g0v0.json
index 78e87eb30..0177a8380 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g0v0Filler.json",
-            "sourceHash" : "9a5a27c90cc8ab60226a9521c534a9f04430b3aadec8eef14e2b93993abad870"
+            "sourceHash" : "1bb0701817bf640a97cab26270d8126fb92a825396019c6a9c029bf1eb4ee0dd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x01ccfeaa96429f3ad111ea08f1a8a4c432cdbc129c705e52743647220261e47f",
-                    "mixHash" : "0xfe496d5f8228b281e8af0113170f4689bc54d36e2e4ef9daa3254e8da4665844",
-                    "nonce" : "0x64064f5a37771562",
+                    "hash" : "0x41cb4cdee2f004038454d0ffa2468065087ef8411d697645b215aa02f446e498",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x01ccfeaa96429f3ad111ea08f1a8a4c432cdbc129c705e52743647220261e47f",
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             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                "nonce" : "0x02",
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+                "nonce" : "0x01",
+                "storage" : {
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+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g1v0.json
index 3978ce865..bad643c76 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_22000_d0g1v0_Byzantium" : {
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g1v0Filler.json",
-            "sourceHash" : "1439689edb4207a1aa1c9d3f80a62d34604251ed5936fb5c5ef6f972eeeaa255"
+            "sourceHash" : "5c6a05e55d05a8482a82f44ed2dd687675277ad587b225df9a08a333d6b529a3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
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-                    "mixHash" : "0xc6242b6f28c7e5790f8f6d5fc7530031edaac2416a594989f005b8c12a399f76",
-                    "nonce" : "0x80f2c69a15e10b9c",
+                    "hash" : "0x5968634db553602c7b8a6f7f18de5c9ad96207ebbef3bf0bcb4104d52326bdfd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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@@ -224,6 +224,235 @@
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+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g2v0.json
index 6ab426449..a98247cf4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g2v0Filler.json",
-            "sourceHash" : "c4f772493102bc72c7e4b44705096af1512d437af1ee968d8254e39af327ee30"
+            "sourceHash" : "9fc204283169a96d3a672fc2bc0f23ed4f7635f8c1a67c016fd4097992018a2c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0xd0b2ba8327a0f83997e81c625e4cb7e08eadf5bb5f4f5fd307416429bd83c823",
-                    "mixHash" : "0x81bfe5360bc17b42395e6e6c5f2bcc246f31737f4a29d5238c790ea42471e841",
-                    "nonce" : "0x00669c1925ae5671",
+                    "hash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd0b2ba8327a0f83997e81c625e4cb7e08eadf5bb5f4f5fd307416429bd83c823",
+        "lastblockhash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g2v0Filler.json",
+            "sourceHash" : "9fc204283169a96d3a672fc2bc0f23ed4f7635f8c1a67c016fd4097992018a2c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9e8e2b8117fcd87cefbdc02a00e733d3e375c5a04891c45954d467ca86ee02c1",
+                        "s" : "0x4c62750b147d73a68235f62dd323b2ab77ea988566281fe396c3341c882cbeae",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g3v0.json
index b4e960702..1e329dee8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g3v0Filler.json",
-            "sourceHash" : "fce5038178efcaa1371c69cc4383b8f644061e7138d210c81d41af8c577ce88a"
+            "sourceHash" : "2b310acf1b7ed6364a7066ab0c555ad5a49517d87c7661bb06250a1c469db0ec"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x42468c4f933df310dddf5cc2c5bba5225524c54dba50251f26e217dc0eaf2df6",
-                    "mixHash" : "0x26a3dd42e735fba9cd10ed39ff01c70ef6cd6bf5a21f577c5009cc63c70b1aee",
-                    "nonce" : "0x3225ac3ba0dcd9dd",
+                    "hash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x42468c4f933df310dddf5cc2c5bba5225524c54dba50251f26e217dc0eaf2df6",
+        "lastblockhash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_22000_d0g3v0Filler.json",
+            "sourceHash" : "2b310acf1b7ed6364a7066ab0c555ad5a49517d87c7661bb06250a1c469db0ec"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x82e6f22204c2d7679f7ab7a8f6561a26d8ee9e2b4b0d3b93d7c0af5cc0e70b91",
+                        "s" : "0x390a239c5286f369014475869a2c8518d5e5c3a9b28bb5862712858fd49fa3f4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a06ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cda056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g0v0.json
index d0cb87386..74c0ad623 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g0v0Filler.json",
-            "sourceHash" : "fee11d97a487e638b3cd2949107b7f72ea643bb41675dfbb134faf013fe66ded"
+            "sourceHash" : "dfe12a79e0a4301d6d62939f3b7089ceb960fdff6e2f839a5c5c829a8f7a72e9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0xa2390423b03748a1f42556539aba739ed43a0ad88eccf2cb167c18f8961759eb",
-                    "mixHash" : "0x8ff5c42b7c4b44a63b303f64c0e380d35f995279b33f8ae1c5ef3c0a5ada53d8",
-                    "nonce" : "0xe1c81da340aca508",
+                    "hash" : "0x6475a636870e56dc2bfada02095640267b8bd43cdc0e57ca65de97935f774db6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4d8cdc0095a3b608bd0dc0f4cf1a14063244ed5766a97f49368f090d94e474eb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa2390423b03748a1f42556539aba739ed43a0ad88eccf2cb167c18f8961759eb",
+        "lastblockhash" : "0x6475a636870e56dc2bfada02095640267b8bd43cdc0e57ca65de97935f774db6",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g0v0Filler.json",
+            "sourceHash" : "dfe12a79e0a4301d6d62939f3b7089ceb960fdff6e2f839a5c5c829a8f7a72e9"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xb820b63eba37f6ce74a3e2855a9797ac35e10eb510e646ad88106a88ad8a6be5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4d8cdc0095a3b608bd0dc0f4cf1a14063244ed5766a97f49368f090d94e474eb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xba40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x98d72f445a1fbca44b2653de616f2670956025092452bd9f385358980a0e9376",
+                        "s" : "0x337bf1b625e6b0e794e3706eb305b1f32c18a46ab8ed721f8cb6f4aae3d221e0",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb820b63eba37f6ce74a3e2855a9797ac35e10eb510e646ad88106a88ad8a6be5",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g1v0.json
index f1dd5ecbc..46848369b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g1v0Filler.json",
-            "sourceHash" : "11c12c6071395f6ff18dd0c8eba51a4b2a5dc478f909736720bab14a4cdaa985"
+            "sourceHash" : "005985b6167f2758980a953838dbc0fd6d856a35bec0e0538d102e683a5d7021"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x5d2fac9a040a604626d63f03936a1b1bee8baa2f69ff4d60571905f7369a553b",
-                    "mixHash" : "0xcc819ce1f51dd931c69ceb551fe79a7feb420d5bb00c5a8fd3c570ac5bd81c5b",
-                    "nonce" : "0x5a79839523d623fe",
+                    "hash" : "0x5968634db553602c7b8a6f7f18de5c9ad96207ebbef3bf0bcb4104d52326bdfd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc97e80ffc13d5fbbf775b660e05a4b8a3857a56bfcee6cb4e7781bf2dacf2b45",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5d2fac9a040a604626d63f03936a1b1bee8baa2f69ff4d60571905f7369a553b",
+        "lastblockhash" : "0x5968634db553602c7b8a6f7f18de5c9ad96207ebbef3bf0bcb4104d52326bdfd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g1v0Filler.json",
+            "sourceHash" : "005985b6167f2758980a953838dbc0fd6d856a35bec0e0538d102e683a5d7021"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xa5f91fbce2e116c912e5dcd97e0bfd39f72a5dccf2fc0fb2528a47b133fb9d91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc97e80ffc13d5fbbf775b660e05a4b8a3857a56bfcee6cb4e7781bf2dacf2b45",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9998219019132af003a64014150a4dc4e1f442068d7d0b584036fbd98d99da75",
+                        "s" : "0x3c6ee062a2090a644355365e3b7ccf73eb7d0b7b20de52a0604e58603668b892",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa5f91fbce2e116c912e5dcd97e0bfd39f72a5dccf2fc0fb2528a47b133fb9d91",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g2v0.json
index 6f9a56b7d..6ce49b136 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g2v0Filler.json",
-            "sourceHash" : "c6c0ac7305d62f31962acecd872f1bf2cccba3a9a5c8c848e3eb17b4370b42cb"
+            "sourceHash" : "1bead61ce8c726bcd567e4c5d8a1a35e09ed7d22017c2ae719b22aa8443c61eb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x738c4bf91ea38c8e82760b1da86e2493690283b1fc95ddf329161d1bbd971da0",
-                    "mixHash" : "0xe914df0dabf866e2ae5c26fdb7539df3324183e7d990a3f96c98d315b377d403",
-                    "nonce" : "0xb945784516d28760",
+                    "hash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x738c4bf91ea38c8e82760b1da86e2493690283b1fc95ddf329161d1bbd971da0",
+        "lastblockhash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g2v0Filler.json",
+            "sourceHash" : "1bead61ce8c726bcd567e4c5d8a1a35e09ed7d22017c2ae719b22aa8443c61eb"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9e8e2b8117fcd87cefbdc02a00e733d3e375c5a04891c45954d467ca86ee02c1",
+                        "s" : "0x4c62750b147d73a68235f62dd323b2ab77ea988566281fe396c3341c882cbeae",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g3v0.json
index 2d21aef83..c7a2e55f0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g3v0Filler.json",
-            "sourceHash" : "d5836e894a3dfa7e198bdc3b3a1af2f72d002002e70bf58d338a0acd1bfb74dd"
+            "sourceHash" : "b0e2e7582723e86ad1695f2b69dbb674813f7c3af9e78d5e8244c27aa641ea31"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0xa6f8d33c0fb6f0135d5cc24ddf85acda32982616870996bef5aa169d98d0b708",
-                    "mixHash" : "0xd531a606c4abbcf3ada82c6475da911564c681919fc8cb704d8a9fa5933cac62",
-                    "nonce" : "0x703809350643a347",
+                    "hash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa6f8d33c0fb6f0135d5cc24ddf85acda32982616870996bef5aa169d98d0b708",
+        "lastblockhash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_25000_d0g3v0Filler.json",
+            "sourceHash" : "b0e2e7582723e86ad1695f2b69dbb674813f7c3af9e78d5e8244c27aa641ea31"
+        },
+        "blocks" : [
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+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
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+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
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+                    "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "v" : "0x1c",
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+                "uncleHeaders" : [
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+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
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+                "nonce" : "0x00",
+                "storage" : {
+                }
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+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
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+                "nonce" : "0x02",
+                "storage" : {
+                }
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+                }
+            },
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+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+                "code" : "",
+                "nonce" : "0x00",
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+            },
+            "0x0000000000000000000000000000000000000008" : {
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
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+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g0v0.json
index a89a61ecb..83a4aa984 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g0v0Filler.json",
-            "sourceHash" : "3f2ac9122dd0276612a1f14945a18c20493434cfcadacc450c62e5a7c670a40c"
+            "sourceHash" : "82b58fd076f78f72ddae6bd40a6f92fc01f83437f8ac1e66738ab32679bc393f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x3b8d84b286873d1049948acfce05cd01b26c9d3bc1d9a4eb360d7b23bc2d6ae5",
-                    "mixHash" : "0xc0c099699d144ec33ff022855fcb1e527c4d695f5da1134f5455db87adab844e",
-                    "nonce" : "0x39df4373d58451d2",
+                    "hash" : "0x466b3876516cbc25433c4a6317346324b0e161399898042cd12b39852ccd3215",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
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@@ -27,7 +27,7 @@
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x3b8d84b286873d1049948acfce05cd01b26c9d3bc1d9a4eb360d7b23bc2d6ae5",
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         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g1v0.json
index 6c7de1eb1..cfeb8d7e3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g1v0.json
@@ -2,10 +2,10 @@
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-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g1v0Filler.json",
-            "sourceHash" : "fd1b0df5424983fa90c0015ce4f195bcec3cde17de842a65872d5b8aa72957c9"
+            "sourceHash" : "e20a99e5f8a3461fcb2be43f6ba59c2b9d8dc80b332df575fa1eb5255cf5a306"
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@@ -16,9 +16,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xae13",
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-                    "mixHash" : "0x922ff33bf0807e80466bb20d44ab8d51ff0f788ddb8ee7724dbdb8590ec5604c",
-                    "nonce" : "0x1702e21fe3b3bcdb",
+                    "hash" : "0x5968634db553602c7b8a6f7f18de5c9ad96207ebbef3bf0bcb4104d52326bdfd",
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                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
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@@ -27,7 +27,7 @@
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@@ -224,6 +224,235 @@
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+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g2v0.json
index c321fcd35..9e6361071 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g2v0Filler.json",
-            "sourceHash" : "c40c4ca419d8043f1a502892931903a7402651dcc36b679c14cae77b7eba55f3"
+            "sourceHash" : "fd45a48656cc8282458fd49e7940e59c613c69116913611c527e0b14c12869c6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x24461cb9fdc6b3c351e66cbea656123affdb2f8703eb84f78cd779dc0ec8ee12",
-                    "mixHash" : "0x3086eee3b5dc99761e70be7669684e0ba0ca2a1bc10c4f235bd6b70b853c1a13",
-                    "nonce" : "0x1e52258b0226f861",
+                    "hash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x24461cb9fdc6b3c351e66cbea656123affdb2f8703eb84f78cd779dc0ec8ee12",
+        "lastblockhash" : "0x65a63bf4f0af59bd36dabe1d5b22284cf6c034c84ccb998294b51ded058430e1",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g2v0Filler.json",
+            "sourceHash" : "fd45a48656cc8282458fd49e7940e59c613c69116913611c527e0b14c12869c6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdc8c60758df6fbe47b0cfe97617da36a493639e49e48156ec660d7bc3a7ea4d0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
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+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x9e8e2b8117fcd87cefbdc02a00e733d3e375c5a04891c45954d467ca86ee02c1",
+                        "s" : "0x4c62750b147d73a68235f62dd323b2ab77ea988566281fe396c3341c882cbeae",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x03f3313ff0f50b366ae05c41381097bbf2f7f561c61b0d609692dda93c699791",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g3v0.json
index 156b50688..74383d1dc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_49_2401_2401_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g3v0Filler.json",
-            "sourceHash" : "87dba258eb3bea5a51736a65b26bd5e420797f08f4f93a75e41877921ea460b9"
+            "sourceHash" : "ad051ccf7684ddd244abe1e72cee2e80fe2c8e7f730264d525c5cf637df3c1e4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xae13",
-                    "hash" : "0x5d7ed1f0a339355b194eb244fdad784aebb8d332b4bc12a8c6e0f0219a5b0da3",
-                    "mixHash" : "0xdf558fa444cef36a928a7db6c9e49812179172d2cf2c9e15d16ba7e9e7e3d70a",
-                    "nonce" : "0xd893f8e6756d2862",
+                    "hash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
                     "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5d7ed1f0a339355b194eb244fdad784aebb8d332b4bc12a8c6e0f0219a5b0da3",
+        "lastblockhash" : "0x459191de36d4f89e371ccf6adb915bd77ce16ae7ae055b69c192dc40b279d5af",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_49_2401_2401_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_49_2401_2401_35000_d0g3v0Filler.json",
+            "sourceHash" : "ad051ccf7684ddd244abe1e72cee2e80fe2c8e7f730264d525c5cf637df3c1e4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xae13",
+                    "hash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+                    "receiptTrie" : "0x894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20",
+                    "stateRoot" : "0xc4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x47e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90327f901f8a0e11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cfa01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0c4e7b5c7cbfba44a42b8110f2c1dad2e540827412b1d4f09195c21b3b1708330a047e50649762a111d33b6bfc080d390f67f3e03031d43a5d5946bfddb65f932cea0894bfe8993f2a3eda187079dd84e45151d80629d5c74c6b1b2cf5ec3cb9c9e20b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082ae138203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90128f90125010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b8c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000006500000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000231096109610000000000000000000000000000000000000000000000000000001ca082e6f22204c2d7679f7ab7a8f6561a26d8ee9e2b4b0d3b93d7c0af5cc0e70b91a0390a239c5286f369014475869a2c8518d5e5c3a9b28bb5862712858fd49fa3f4c0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000650000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000023109610961000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x82e6f22204c2d7679f7ab7a8f6561a26d8ee9e2b4b0d3b93d7c0af5cc0e70b91",
+                        "s" : "0x390a239c5286f369014475869a2c8518d5e5c3a9b28bb5862712858fd49fa3f4",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe11b1a140da9bc5489ea6e876d2c12a36e5d9a80791dbebcc9057d8c52be31cf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x6ea54d757c4321a6731e45c767662fb3de4f012796bcb9713107c879571ea7cd",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc34f77e396b12de15fd0420416e64e25428b241422c37de69819c2ed3d62bf49",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecab001",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7614fff",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x54a8c0ab653c15bfb48b47fd011ba2b9617af01cb45cab344acd57c924d56798"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g0v0.json
index 9152811a9..0f6d0f0f7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g0v0Filler.json",
-            "sourceHash" : "d6b30bc099eba2538ecf01a17071181d58e4fe4d37e0f6b6f5fa9a4e9b6c08c3"
+            "sourceHash" : "ed7c2272632301a65f3e2b411d8c8757002bd821ecd51cb9530b0f8d98286f75"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x650f5bc57490e31e7f4a687c13ce127ea29b3c3570b0f54c0777f8da7ba6ae0f",
-                    "mixHash" : "0xabdaa054ed1a060b9d03bc50671d341b2516956f0d77a72615cdb2bc89221c4f",
-                    "nonce" : "0xb69112ab20dc1b2f",
+                    "hash" : "0x79fab8bf1e79df81d21afa47b986c6dd00123c2f5b171ddb7ea54db92a0de979",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa3d6b164b1dc6aac7c44c17ea49afbbe3bb708fd2a0eb4a61416b5dccfd690f4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x650f5bc57490e31e7f4a687c13ce127ea29b3c3570b0f54c0777f8da7ba6ae0f",
+        "lastblockhash" : "0x79fab8bf1e79df81d21afa47b986c6dd00123c2f5b171ddb7ea54db92a0de979",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g0v0Filler.json",
+            "sourceHash" : "ed7c2272632301a65f3e2b411d8c8757002bd821ecd51cb9530b0f8d98286f75"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0xef0333778563e263674f14a4b5ef8f7a1c16cd972db51b1a856a3ccdc73a0196",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa3d6b164b1dc6aac7c44c17ea49afbbe3bb708fd2a0eb4a61416b5dccfd690f4",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x0faf98",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xce34dbee617a8ddcf773f6efe5e798e74614690646bd85db18b3b84090c67cf5",
+                        "s" : "0x63ed6baac85ec294262f10abb2d6389419c39f8a31eff245c12175a93c86ea68",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xef0333778563e263674f14a4b5ef8f7a1c16cd972db51b1a856a3ccdc73a0196",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760d86004356004013511151558576004356004013560200160043560040161014037601461028061014051610160600060056305f5e0fff11558576014610260526102606034806102c08284600060046017f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g1v0.json
index 9f5093164..e2191e49e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g1v0Filler.json",
-            "sourceHash" : "e6165e049994f447b687a1ab9ad3f560075b6a981c94a5455156cb07df986f7b"
+            "sourceHash" : "42a469e8b30c36e870cb7664455f77f8e6141d258c50f78fe47b0dd21b5665f2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xba64175ca3bd99c19ac219a8feb72ee821d298b7571bf11d7b57c926ebb3cdc8",
-                    "mixHash" : "0x3fb8149b574c00aefbd4a2d665c07dd4615b06e5fc5e37cd22bb4ec8ed9c1618",
-                    "nonce" : "0xecd70c7a3494e782",
+                    "hash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xba64175ca3bd99c19ac219a8feb72ee821d298b7571bf11d7b57c926ebb3cdc8",
+        "lastblockhash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g1v0Filler.json",
+            "sourceHash" : "42a469e8b30c36e870cb7664455f77f8e6141d258c50f78fe47b0dd21b5665f2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x398199221504e2121b759deb19ac369f7a67f4e7eb1f85fbc37d0c03be377670",
+                        "s" : "0x720a67f541ef0846692585d5f42be4777c7640021778ffeb134840a4d81b923e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g2v0.json
index cbacca453..e2f07cc31 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g2v0Filler.json",
-            "sourceHash" : "5038cd4166339eb40e4507db00d442951830adee7f16226a18db4f66ea7739c4"
+            "sourceHash" : "6619adb385addc9d75f910841316320ecc4343dfefd4b332ef4fa2cdd18e003d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x4b5f1923ef659c9c69e4ecaffc6341ea94acbf247bf182e26f620cdacd204ffa",
-                    "mixHash" : "0x9b6dd09ab07e9437ef3157cb5ae77ea979f26f1462e0fd8c6ad368ecaa45b7aa",
-                    "nonce" : "0xa7806e5b7dc84809",
+                    "hash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90368f901f8a0e15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ada01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0ed3960cbd40bc73e979c2338a6307d6329bb325d1d05134dd64c301cd1556eb4a0591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8ca0c9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160db901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082f5778203e880a09b6dd09ab07e9437ef3157cb5ae77ea979f26f1462e0fd8c6ad368ecaa45b7aa88a7806e5b7dc84809f90169f9016601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff50000000000000000000000001ba0ee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebda07b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4b5f1923ef659c9c69e4ecaffc6341ea94acbf247bf182e26f620cdacd204ffa",
+        "lastblockhash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g2v0Filler.json",
+            "sourceHash" : "6619adb385addc9d75f910841316320ecc4343dfefd4b332ef4fa2cdd18e003d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebd",
+                        "s" : "0x7b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760d86004356004013511151558576004356004013560200160043560040161014037601461028061014051610160600060056305f5e0fff11558576014610260526102606034806102c08284600060046017f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g3v0.json
index 0e62f37da..c2fafce51 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g3v0Filler.json",
-            "sourceHash" : "5b03982c52c40ea3c319024cf1e844dc72597b7da4d23350bbd7d758367fbe11"
+            "sourceHash" : "e125890bf8728c5a8832fb1ae827e884789074491c7298ee3b449e2014b26a29"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xb28b9ffdde39c01fb4f51f268e26e1fe6d7d30d685fd71feade5eaea941ea6ee",
-                    "mixHash" : "0x4026cebc6bab5bf2efc43470b4a15b51cd57660393fd1a0793c02532d3e80272",
-                    "nonce" : "0x9bcb28771a8df945",
+                    "hash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff5000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb28b9ffdde39c01fb4f51f268e26e1fe6d7d30d685fd71feade5eaea941ea6ee",
+        "lastblockhash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_1000000_d0g3v0Filler.json",
+            "sourceHash" : "e125890bf8728c5a8832fb1ae827e884789074491c7298ee3b449e2014b26a29"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4faa0819d25c04398cdd4c33163a124bca92b055ef7afd6ce46a361e57414fcb",
+                        "s" : "0x7f54dff2958620182cead0730b80582e7c4350c26020991df5414e56fcb0afa1",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g0v0.json
index bcfd42b2a..1a44e95b9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g0v0Filler.json",
-            "sourceHash" : "12d626b1b497891ad32cc9eb8c2597287fb9165c1e9fd11fc2507b28dd494a85"
+            "sourceHash" : "7abd9394053c332bacd340e55956b5446446a77dd59728e2ef01b57d1ec28963"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xd3c2c6d8725c2c84ac467b157cc1cb110d9cc6ede3eafb374366b4d86d3a684a",
-                    "mixHash" : "0xc4f6cee631ffbb1a55cd1362740cd639312cc01653dd5c18b204a0aa26b800a8",
-                    "nonce" : "0xa110f70b316cd8b7",
+                    "hash" : "0x6c53ee358f350d618b2882431ece52ea2284b18851abf63e608ea04f44910321",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xde9531ced7cf043ad1804bc5a3abc8e483631319209605f4ca909287e6fb2d84",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd3c2c6d8725c2c84ac467b157cc1cb110d9cc6ede3eafb374366b4d86d3a684a",
+        "lastblockhash" : "0x6c53ee358f350d618b2882431ece52ea2284b18851abf63e608ea04f44910321",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g0v0Filler.json",
+            "sourceHash" : "7abd9394053c332bacd340e55956b5446446a77dd59728e2ef01b57d1ec28963"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0xd64955bcb150b58839248a0aabd63d934dcfa28e7ac81ebbbbdbea2045be259d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xde9531ced7cf043ad1804bc5a3abc8e483631319209605f4ca909287e6fb2d84",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x02cad0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xf5f716e3839aeca09fde2626d741e46d3e35e0153104e71728cb07079480fb4d",
+                        "s" : "0x3c8b55d185cf21a00cacdd647e1c30e6b702db2605c98f44a7f14c8fba648874",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd64955bcb150b58839248a0aabd63d934dcfa28e7ac81ebbbbdbea2045be259d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g1v0.json
index 7b2ca2bb4..58e05172b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g1v0Filler.json",
-            "sourceHash" : "0e679aa0c5eed492251f94d75aa33d18d52ebc4c87d82c324fe654242d957bc4"
+            "sourceHash" : "5a23889c6666146b2f62dde80aeb7f9ef2bdf432accef4be9d1b9b721828bb22"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xd5ea09c836f7f215be09b346f1779bcdf9daa728960937f3604c890bf31cd566",
-                    "mixHash" : "0x1efcd1c57c0d517fb32377af7da6c6cff861b70b4de16cb2ac524c915b87ee4d",
-                    "nonce" : "0x25ffdc6be25ad01f",
+                    "hash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff5000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd5ea09c836f7f215be09b346f1779bcdf9daa728960937f3604c890bf31cd566",
+        "lastblockhash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g1v0Filler.json",
+            "sourceHash" : "5a23889c6666146b2f62dde80aeb7f9ef2bdf432accef4be9d1b9b721828bb22"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x398199221504e2121b759deb19ac369f7a67f4e7eb1f85fbc37d0c03be377670",
+                        "s" : "0x720a67f541ef0846692585d5f42be4777c7640021778ffeb134840a4d81b923e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760d86004356004013511151558576004356004013560200160043560040161014037601461028061014051610160600060056305f5e0fff11558576014610260526102606034806102c08284600060046017f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g2v0.json
index 877ab75ac..5b34921ba 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g2v0Filler.json",
-            "sourceHash" : "7028bfc08f1bd812ccaed88f1fd269ffcd058642e285e586b2c1ab70b926cca2"
+            "sourceHash" : "4e40330d1ebd05222ee1cb018a65b00d28a5c7ada044987cc231508dd8a4a6f6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x7e64d443c0cda341e91d3766cbbcd18f86923c59c34bb2c2e07a551a5284b1a3",
-                    "mixHash" : "0xc2e7c7fa1211190931277f58edb253b77307b3a64719be807be91ee36181a4f1",
-                    "nonce" : "0xea1fa061a386ccd2",
+                    "hash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90368f901f8a0e15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ada01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0ed3960cbd40bc73e979c2338a6307d6329bb325d1d05134dd64c301cd1556eb4a0591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8ca0c9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160db901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082f5778203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90169f9016601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff50000000000000000000000001ba0ee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebda07b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186c0",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7e64d443c0cda341e91d3766cbbcd18f86923c59c34bb2c2e07a551a5284b1a3",
+        "lastblockhash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g2v0Filler.json",
+            "sourceHash" : "4e40330d1ebd05222ee1cb018a65b00d28a5c7ada044987cc231508dd8a4a6f6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebd",
+                        "s" : "0x7b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g3v0.json
index ea51814c5..e8d63fd09 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g3v0Filler.json",
-            "sourceHash" : "d5c9b24612f5bd90a3a020ac0c55db68d7a6570df5fe6f232a4ae7e64bae0037"
+            "sourceHash" : "0340088be52cba0771fac5d2d82d8401c4f780446282af191b311ebebc367237"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xb4127134b023904c070a4a2f089cbb8f35b983e29a9c37ec7ceee29ce5717e78",
-                    "mixHash" : "0xf26284b1b15b3311d628a5f52ca5d426ffb5258d2c4361dd385952454669e2c0",
-                    "nonce" : "0x4f80d6647882b151",
+                    "hash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb4127134b023904c070a4a2f089cbb8f35b983e29a9c37ec7ceee29ce5717e78",
+        "lastblockhash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_155000_d0g3v0Filler.json",
+            "sourceHash" : "0340088be52cba0771fac5d2d82d8401c4f780446282af191b311ebebc367237"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4faa0819d25c04398cdd4c33163a124bca92b055ef7afd6ce46a361e57414fcb",
+                        "s" : "0x7f54dff2958620182cead0730b80582e7c4350c26020991df5414e56fcb0afa1",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g0v0.json
index ab1f09326..7f2da85ba 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g0v0Filler.json",
-            "sourceHash" : "e1629ff50f02c723eb73802a1a2ecb959d52d4dab35d57087e189aaf6be4dc7f"
+            "sourceHash" : "020a6c93a0339bbc2d2fa41fc8a3bf98b2c05089196d5f0f6af602e4f3fdd632"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xbd6c",
-                    "hash" : "0x4d89420d62189db33524082551c85365a48934794a10248d2eb857fb1b84991d",
-                    "mixHash" : "0x5f11ab11a273e982116ecdc075315c7b507b7fe86a2a62dbac00623a3dfc5c6e",
-                    "nonce" : "0x46e1a5f51aeb7aff",
+                    "hash" : "0x1f208115a9016c4b6569a8d3e7c5287f8976e85d04477730b02d7bec0779c0cc",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xb07a68dff031d3034ec3bd4033909a9624fc834062f035e09dd9491a4f79d79d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf24220fff9b0dabf13f5fe953e664eeefe4bd3765c81105abad564ea4ba4fa88",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90367f901f8a0e15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ada01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a01d4a9cf85f36f24319a5ba866e33839e0aa288a0593082a5d58f5e7d1163b9f9a0f24220fff9b0dabf13f5fe953e664eeefe4bd3765c81105abad564ea4ba4fa88a0b07a68dff031d3034ec3bd4033909a9624fc834062f035e09dd9491a4f79d79db901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082bd6c8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90168f90165010182bd6c94c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff50000000000000000000000001ba02cee944dc8621b7e05517b075caa63ed569bea9c3ab3940d7a02cd508ae0f83fa0256939cb5f7fd99b148e8278b355c15da7b1e1f606ff9066279ebcb87911b164c0",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4d89420d62189db33524082551c85365a48934794a10248d2eb857fb1b84991d",
+        "lastblockhash" : "0x1f208115a9016c4b6569a8d3e7c5287f8976e85d04477730b02d7bec0779c0cc",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g0v0Filler.json",
+            "sourceHash" : "020a6c93a0339bbc2d2fa41fc8a3bf98b2c05089196d5f0f6af602e4f3fdd632"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xbd6c",
+                    "hash" : "0x54668fdf9f73364db1fe66bdc2c02d3932403107baed697c84d98a376bfb40b1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xb07a68dff031d3034ec3bd4033909a9624fc834062f035e09dd9491a4f79d79d",
+                    "stateRoot" : "0x49809ec26622046be89ec75f5b0e16d76deaf3fca49a71c9046373abf6e859b1",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf24220fff9b0dabf13f5fe953e664eeefe4bd3765c81105abad564ea4ba4fa88",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0xbd6c",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2cee944dc8621b7e05517b075caa63ed569bea9c3ab3940d7a02cd508ae0f83f",
+                        "s" : "0x256939cb5f7fd99b148e8278b355c15da7b1e1f606ff9066279ebcb87911b164",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x54668fdf9f73364db1fe66bdc2c02d3932403107baed697c84d98a376bfb40b1",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecabf5a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a76140a6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g1v0.json
index e7fef7489..448131e3b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g1v0Filler.json",
-            "sourceHash" : "e44c45d25ef6bf8cc39e743f36cafc66108189944309558b601fea427473c3eb"
+            "sourceHash" : "cd2214a4a47c5d1c8056858aa986a6a12964e72822f561ad9671abf603789c81"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x72d29a6ae61a39a8fa8b8d0fc5fce317bccaeff74af1175631f920a84b52f8a7",
-                    "mixHash" : "0x071c7e0937e6e1ef622913a97bbd408d87740201050604e68bb30d5294001a89",
-                    "nonce" : "0x6fdd14b3df3aad2d",
+                    "hash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff5000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x72d29a6ae61a39a8fa8b8d0fc5fce317bccaeff74af1175631f920a84b52f8a7",
+        "lastblockhash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g1v0Filler.json",
+            "sourceHash" : "cd2214a4a47c5d1c8056858aa986a6a12964e72822f561ad9671abf603789c81"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x398199221504e2121b759deb19ac369f7a67f4e7eb1f85fbc37d0c03be377670",
+                        "s" : "0x720a67f541ef0846692585d5f42be4777c7640021778ffeb134840a4d81b923e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g2v0.json
index e5c760e3e..4c387eea4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g2v0Filler.json",
-            "sourceHash" : "1c46cc1fb17a2db107bac165f2b58ded2d24a10c242688d6220231346309f788"
+            "sourceHash" : "2e74670e78dabd4a4cd2b6b20eef3aba0ccb2656d28e01d3a0cb553521159804"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xd552b2b114fc617742d9495c91b0bf507b6e823acf9650334b62d1c22b948307",
-                    "mixHash" : "0x8fd6ef8e2d4cdaeb5fd8598933c0c82ac28a62e0ce300fabd8e719978abe383f",
-                    "nonce" : "0x996e0f78453063c0",
+                    "hash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90368f901f8a0e15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ada01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0ed3960cbd40bc73e979c2338a6307d6329bb325d1d05134dd64c301cd1556eb4a0591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8ca0c9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160db901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082f5778203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90169f9016601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff50000000000000000000000001ba0ee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebda07b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186c0",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd552b2b114fc617742d9495c91b0bf507b6e823acf9650334b62d1c22b948307",
+        "lastblockhash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g2v0Filler.json",
+            "sourceHash" : "2e74670e78dabd4a4cd2b6b20eef3aba0ccb2656d28e01d3a0cb553521159804"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebd",
+                        "s" : "0x7b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g3v0.json
index f6f925f2f..1f2e0bfab 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g3v0Filler.json",
-            "sourceHash" : "ea54e789d206e323b6d5bcdf6c51b002834ee02ff7f6cb5b81573f8c3f15ba88"
+            "sourceHash" : "8a565b019e5579653012942b5f0cd962bc8289b29840497e3e9fee9901de865d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x72f0128d9a233669e998c780ba83a1bca1e93d0160eff5546d737cd0f485fc29",
-                    "mixHash" : "0x33a61f9426242210aa8e2de1086f67cc290dd3ef9afbfa0e454b2a9cac26e9c6",
-                    "nonce" : "0xc09df8707be697d7",
+                    "hash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90368f901f8a0e15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ada01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0ed3960cbd40bc73e979c2338a6307d6329bb325d1d05134dd64c301cd1556eb4a087295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60a0c9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160db901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082f5778203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90169f90166010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff50000000000000000000000001ca04faa0819d25c04398cdd4c33163a124bca92b055ef7afd6ce46a361e57414fcba07f54dff2958620182cead0730b80582e7c4350c26020991df5414e56fcb0afa1c0",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x72f0128d9a233669e998c780ba83a1bca1e93d0160eff5546d737cd0f485fc29",
+        "lastblockhash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_20500_d0g3v0Filler.json",
+            "sourceHash" : "8a565b019e5579653012942b5f0cd962bc8289b29840497e3e9fee9901de865d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4faa0819d25c04398cdd4c33163a124bca92b055ef7afd6ce46a361e57414fcb",
+                        "s" : "0x7f54dff2958620182cead0730b80582e7c4350c26020991df5414e56fcb0afa1",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g0v0.json
index 141570f5e..515f68eee 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g0v0Filler.json",
-            "sourceHash" : "4bfe530795a7284f2543b0192ed859ac712242251638348a98af9a00a9078122"
+            "sourceHash" : "db7856cba5d13c5124ad13d68fcd3472b3710ae849c33eeec3ac1d01bc9db4d6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xc348",
-                    "hash" : "0x85aadc67130786cc10938b449f19cd8634cc16a8b232426b03e8473b8735a754",
-                    "mixHash" : "0x1bb6591d59bd83bd9cca1c615bfa2a163e95820f71231f3aab41892e85d53c26",
-                    "nonce" : "0x48fdbe63f51c0141",
+                    "hash" : "0x862008bb5afdb17058032b251379a9f7ee3998c8798378e2480acf6dd33cd295",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0x3c9dddd80d6e393cbff706a289e2d6ef72843a102b9826c56781c6ea379f450f",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xec422fb23b688163693e57caa473b00ceeac23d1c01599a5fae39556c6a539b5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x85aadc67130786cc10938b449f19cd8634cc16a8b232426b03e8473b8735a754",
+        "lastblockhash" : "0x862008bb5afdb17058032b251379a9f7ee3998c8798378e2480acf6dd33cd295",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g0v0Filler.json",
+            "sourceHash" : "db7856cba5d13c5124ad13d68fcd3472b3710ae849c33eeec3ac1d01bc9db4d6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xc348",
+                    "hash" : "0x7be9e9de6bf73922b08965159852b4238b5e8f4b068246186ca5e750847596bb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0x3c9dddd80d6e393cbff706a289e2d6ef72843a102b9826c56781c6ea379f450f",
+                    "stateRoot" : "0x87920b27b8bfc1ddc23bd9c4f25d1799f3d708b63bc247cefeb74fb69cd0e304",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xec422fb23b688163693e57caa473b00ceeac23d1c01599a5fae39556c6a539b5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0xc348",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x67ce0d941fdea590df8def82d81a9985564c108907516387cf033f949276070e",
+                        "s" : "0x05aea5da64ec3ff39efac1283699dbb8e82a5934cba0839536e1faf44d466d21",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x7be9e9de6bf73922b08965159852b4238b5e8f4b068246186ca5e750847596bb",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecac536",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7613aca",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g1v0.json
index 8b20558db..e38651c06 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g1v0Filler.json",
-            "sourceHash" : "1e518233ebd9add2f87dfa0e2b6ecc180637bb8003801cbb80b0d081ca8f95cb"
+            "sourceHash" : "4d0726f4153a74e1f3aec8c649514ef6f04bef6a74a48406e2ba2bd7fe7c8970"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x2334566b071f90e2515747cbcaf7364a30e3dafc104c903f9bd1b9102b81e0ca",
-                    "mixHash" : "0x87950df77559a2a1b611fb65515e05763ba354c7e0720e25622e3e247ac00b8d",
-                    "nonce" : "0x327f96d84d0cb92b",
+                    "hash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2334566b071f90e2515747cbcaf7364a30e3dafc104c903f9bd1b9102b81e0ca",
+        "lastblockhash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g1v0Filler.json",
+            "sourceHash" : "4d0726f4153a74e1f3aec8c649514ef6f04bef6a74a48406e2ba2bd7fe7c8970"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x398199221504e2121b759deb19ac369f7a67f4e7eb1f85fbc37d0c03be377670",
+                        "s" : "0x720a67f541ef0846692585d5f42be4777c7640021778ffeb134840a4d81b923e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g2v0.json
index 25841a0ca..e0037a5a7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g2v0Filler.json",
-            "sourceHash" : "391129adc0e448845f99b7a5a789a86945c3f2305a054eacf1764c6af6c8be72"
+            "sourceHash" : "7f311a0dee197347caaa58934076231f2cdf72755cf884a5c16fb4946a7a4e38"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xd09b0e497bfb3a9385277710d1b1058b1a2a4d251773ac3266c1e1743d83bb6d",
-                    "mixHash" : "0x92e2a4fdee19da23696d7271b375db6452bb1772a2bde5dfeb785c33b1c1a598",
-                    "nonce" : "0x4cf281b57f31301b",
+                    "hash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd09b0e497bfb3a9385277710d1b1058b1a2a4d251773ac3266c1e1743d83bb6d",
+        "lastblockhash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g2v0Filler.json",
+            "sourceHash" : "7f311a0dee197347caaa58934076231f2cdf72755cf884a5c16fb4946a7a4e38"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90368f901f8a0e15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ada01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0da37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325a0591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8ca0c9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160db901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082f5778203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90169f9016601018301adb094c305c901078781c232a2a521c2af7980f8385ee980b9010430c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff50000000000000000000000001ba0ee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebda07b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186c0",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebd",
+                        "s" : "0x7b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g3v0.json
index 8077e67cf..874d2c32c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g3v0Filler.json",
-            "sourceHash" : "58940b20257abed35d980fdaaba63861c976bc79c884bf877285068540d6292b"
+            "sourceHash" : "beed3fd0fe8b574a2f427d61a66d33f7f5bdf23363894dc76c452c7c64b45cbb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xf22ebecd7be2b6149d0f3fed1f306344d3c4d324a738c97ac95536748621ced4",
-                    "mixHash" : "0x0c4395df70ffe9bfb520766189c6e8adfccb56d13c2da13b10c63a4092308883",
-                    "nonce" : "0x6d99fa3da253b2c9",
+                    "hash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf22ebecd7be2b6149d0f3fed1f306344d3c4d324a738c97ac95536748621ced4",
+        "lastblockhash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_22000_d0g3v0Filler.json",
+            "sourceHash" : "beed3fd0fe8b574a2f427d61a66d33f7f5bdf23363894dc76c452c7c64b45cbb"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4faa0819d25c04398cdd4c33163a124bca92b055ef7afd6ce46a361e57414fcb",
+                        "s" : "0x7f54dff2958620182cead0730b80582e7c4350c26020991df5414e56fcb0afa1",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760d86004356004013511151558576004356004013560200160043560040161014037601461028061014051610160600060056305f5e0fff11558576014610260526102606034806102c08284600060046017f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g0v0.json
index dbadc77e3..b5b4aa048 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g0v0Filler.json",
-            "sourceHash" : "7611291d40ab13c47c2fdb440d494b377c8de26bb10d607293584433a2ae48b3"
+            "sourceHash" : "0f4761eb40de22023c5d7bc4a4ab83f886bdb5b1ef8baa9c00c4bd690e5d83b8"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xcf00",
-                    "hash" : "0x7c8390a1c067017041a0d40040f878b3068ee1a7f16944a664bba91cd7413514",
-                    "mixHash" : "0x5ad10658e90bfe27d6e660e8660c7674a837960515c11077441c0813dcfa1a0d",
-                    "nonce" : "0x171ae63c0abf7b45",
+                    "hash" : "0xe32e9091a8ea673cb82a60f7ed787f4d1e8bfd7f1746c1c9c7337d2321f62d2c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xb2fe5e5176466f906e6f7ca0168b2d4ddb4acca8b16f632f44f4d6bc6c46e0e5",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xb628e0988752a98c1af676711775f9cb8afba08e623ae86d25ddd546f2fe1f52",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7c8390a1c067017041a0d40040f878b3068ee1a7f16944a664bba91cd7413514",
+        "lastblockhash" : "0xe32e9091a8ea673cb82a60f7ed787f4d1e8bfd7f1746c1c9c7337d2321f62d2c",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g0v0Filler.json",
+            "sourceHash" : "0f4761eb40de22023c5d7bc4a4ab83f886bdb5b1ef8baa9c00c4bd690e5d83b8"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xcf00",
+                    "hash" : "0x6fb2e5895ea75e68ab723e9ac88af1393c64eda148b00d61df3811b8acf9c6f0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xb2fe5e5176466f906e6f7ca0168b2d4ddb4acca8b16f632f44f4d6bc6c46e0e5",
+                    "stateRoot" : "0x421430bd883faef75b2656b62b270aa9cebe2e1b0a84e8f5bdd8b3f6f13f9638",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xb628e0988752a98c1af676711775f9cb8afba08e623ae86d25ddd546f2fe1f52",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0xcf00",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x6a588b7a782002d104ddc5870f1e8532f6381ee61f8915a7b507d606343f8ff9",
+                        "s" : "0x77aceff7e401ea7f2b090bad51ae507cc9b31b00523e5e94524050ea8d61f3ca",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6fb2e5895ea75e68ab723e9ac88af1393c64eda148b00d61df3811b8acf9c6f0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecad0ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7612f12",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760d86004356004013511151558576004356004013560200160043560040161014037601461028061014051610160600060056305f5e0fff11558576014610260526102606034806102c08284600060046017f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g1v0.json
index a5c02797f..e25046bb6 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g1v0Filler.json",
-            "sourceHash" : "5ba5c9892f26ea949855e37148f9e9c32611231b6c2fdeaadd63efee1a1afb7b"
+            "sourceHash" : "f748a48a7dfa7c1b47e30ad29daad901009cafe185a9acb3585fdd109f8d6e5b"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x0b0d57b0dbce75e3bdbb5b0529b72c90023cec762aea06ffa5e4d4d819725c7d",
-                    "mixHash" : "0xfcb17c8268b6a7f23e943dac1d0515f65fcd8017f1d99b0397648292f499798d",
-                    "nonce" : "0xb8023a87527bbb2f",
+                    "hash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0b0d57b0dbce75e3bdbb5b0529b72c90023cec762aea06ffa5e4d4d819725c7d",
+        "lastblockhash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g1v0Filler.json",
+            "sourceHash" : "f748a48a7dfa7c1b47e30ad29daad901009cafe185a9acb3585fdd109f8d6e5b"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x398199221504e2121b759deb19ac369f7a67f4e7eb1f85fbc37d0c03be377670",
+                        "s" : "0x720a67f541ef0846692585d5f42be4777c7640021778ffeb134840a4d81b923e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g2v0.json
index 73342ed93..f958a94c1 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g2v0Filler.json",
-            "sourceHash" : "509bf5bf3596ce8842257f53f43feeb341972d8dd67cad357609c40ebdb3f889"
+            "sourceHash" : "796426ef4a603820bf6a10319798c174d1236e14ac36a56f025fcdb6a8767f1e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x257c58363b813fa8a24e516d22b311416f2439637dff9a917c5dcea437e74eb0",
-                    "mixHash" : "0x9c8cb029cf7a2d6ce36c1162f6f08eea9b022e7f10e1aeb70c58c1218e1b2f3c",
-                    "nonce" : "0xbdbe9cb9ef362c8e",
+                    "hash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000b4000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000014304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876304d37f120d696c834550e63d9bb9c14b4f9165c9ede434e4644e3998d6db876fffffffffffffffffffffffffffffffffffffff5000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x257c58363b813fa8a24e516d22b311416f2439637dff9a917c5dcea437e74eb0",
+        "lastblockhash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g2v0Filler.json",
+            "sourceHash" : "796426ef4a603820bf6a10319798c174d1236e14ac36a56f025fcdb6a8767f1e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebd",
+                        "s" : "0x7b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g3v0.json
index 22ec620aa..1bc169293 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g3v0Filler.json",
-            "sourceHash" : "c06c5b322df656fa7c69487fa28cb67aaaa955459bacff0131b719341b58e0ec"
+            "sourceHash" : "72b5ad292fc5ae936a51730f09343e8c32b24e45682a85ae72c30881d5d8284a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x48e24069d3e96e5623e9de342e6a5aec0033b39ac2c80d4078a3400739f30692",
-                    "mixHash" : "0xdc157b3f7218c697b365b43aba08829932619f90bde2dbe85125dca085d3d1f8",
-                    "nonce" : "0x061bb0ccebe2b5d5",
+                    "hash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x48e24069d3e96e5623e9de342e6a5aec0033b39ac2c80d4078a3400739f30692",
+        "lastblockhash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_25000_d0g3v0Filler.json",
+            "sourceHash" : "72b5ad292fc5ae936a51730f09343e8c32b24e45682a85ae72c30881d5d8284a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4faa0819d25c04398cdd4c33163a124bca92b055ef7afd6ce46a361e57414fcb",
+                        "s" : "0x7f54dff2958620182cead0730b80582e7c4350c26020991df5414e56fcb0afa1",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760d86004356004013511151558576004356004013560200160043560040161014037601461028061014051610160600060056305f5e0fff11558576014610260526102606034806102c08284600060046017f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g0v0.json
index b26c6497b..1635f523c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g0v0Filler.json",
-            "sourceHash" : "867a20066a600acff87eeb614393299d2561cdcbb2302a3f5cc2db71e45461be"
+            "sourceHash" : "6cde30efca1768a0abfa22fd32064248e294d89017a6a196e025146e4632d722"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0x14525057bfbab2d84cb3f770941853682c73d7987f8d6750cb46db028d633a29",
-                    "mixHash" : "0x6425aa3bfcc7fd11ccef1a3d0f5a3f38d0a6389e887c8e955c6576faba1c74fa",
-                    "nonce" : "0x9b6d31b81a726b90",
+                    "hash" : "0x85300ca49b0de64b5a69c4bc6ef9e6c9e2c7bb8597ca8338e9a68a9043089b6d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf8b625d756860943a115d5055070f66d652501f766121a14ceb102a1326ebc1c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x14525057bfbab2d84cb3f770941853682c73d7987f8d6750cb46db028d633a29",
+        "lastblockhash" : "0x85300ca49b0de64b5a69c4bc6ef9e6c9e2c7bb8597ca8338e9a68a9043089b6d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g0v0Filler.json",
+            "sourceHash" : "6cde30efca1768a0abfa22fd32064248e294d89017a6a196e025146e4632d722"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0xc0b8c4ed58c12b53b1ba4dcc4534d3e8e06f2128ed1fabd8e3880fa124e53a7e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf8b625d756860943a115d5055070f66d652501f766121a14ceb102a1326ebc1c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0xf610",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x2fe7b790eae45270a64e6410f90809688fd11a69a3f555ff1c89f7097fee562d",
+                        "s" : "0x7930e3561538d2a1fee2040aed9493dcda7e8af8d2511d689dc009826a916659",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc0b8c4ed58c12b53b1ba4dcc4534d3e8e06f2128ed1fabd8e3880fa124e53a7e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g1v0.json
index bc09a6ae4..60ada7cee 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g1v0Filler.json",
-            "sourceHash" : "d2ff793900f6e68831acaa55f6fe5c40fe6776e6a818f5dc620bd813e70c81d4"
+            "sourceHash" : "e36b73a472faee8c3d9373829de174263fd672b4ffd6e70723bea2247039d968"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xda7c87712ebae208ee15d70efec34e556450f3725f21e462d4bddfe6fc9366cb",
-                    "mixHash" : "0x48f39f5caf1e07a0807ae20b7f2912e2da4cd26f858c2c3b792eeb32c961313f",
-                    "nonce" : "0x293bff0457bdce28",
+                    "hash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xda7c87712ebae208ee15d70efec34e556450f3725f21e462d4bddfe6fc9366cb",
+        "lastblockhash" : "0xde29d10a0c723e41eea9337c7c8d37e2991cce808740acddc7d9d8ee6a9e040e",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g1v0Filler.json",
+            "sourceHash" : "e36b73a472faee8c3d9373829de174263fd672b4ffd6e70723bea2247039d968"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd87c9755af3d7d8d7a4f6b0bd33075093fa670d3eb013b9246b73cfbcb7ca7ce",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x398199221504e2121b759deb19ac369f7a67f4e7eb1f85fbc37d0c03be377670",
+                        "s" : "0x720a67f541ef0846692585d5f42be4777c7640021778ffeb134840a4d81b923e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x144c6a90b715dd4a726926d0d32f7b6837bacd374138d92f0dc3a3fb36f3d5bf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g2v0.json
index 3c165b971..ab35342bc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g2v0Filler.json",
-            "sourceHash" : "016e3d3bb56b4e530f9705d46d989771dbd3b4f7769f68548419521da686bee4"
+            "sourceHash" : "73266615006a2d3836e0422a7f5bfafdd416bbc60de8e04b06c336168fb1c2c1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xa060edc7cd47c7b33794384d8166e079b88f3df776cf78007033e957e3745386",
-                    "mixHash" : "0x766bc99a74d05844798b1ad08e2d1339dc38e1ded278bbdeb696c48c5574b7e5",
-                    "nonce" : "0x9efbbcf0c690ca51",
+                    "hash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa060edc7cd47c7b33794384d8166e079b88f3df776cf78007033e957e3745386",
+        "lastblockhash" : "0x5f68688d0b2c7770f6eb4ffa3a7030fd2faf0336998a8f34dca63e9acb45f8bd",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g2v0Filler.json",
+            "sourceHash" : "73266615006a2d3836e0422a7f5bfafdd416bbc60de8e04b06c336168fb1c2c1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x591a9db175e93fc59fe2826d1b1526bf21f444a59c17ac484f44fcee7e3f7e8c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xee598a9b75bcce79297017b71641bdeaa58a6b82fc99f598b054b8144d91aebd",
+                        "s" : "0x7b05966e5c6b62f92af5ff3e2aaf188d93c24ec2a0a0e4e7f9434d1ffb7af186",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a0cceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x7939a68a1d7eaf12fb5bb05885177359e88906521aea0434e0b4bbe1d2d2f048",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012b5760d86004356004013511151558576004356004013560200160043560040161014037601461028061014051610160600060056305f5e0fff11558576014610260526102606034806102c08284600060046017f15050506102c08051602082012090506000556102c060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g3v0.json
index a37aecaf3..65b1c872d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_55190_55190_42965_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g3v0Filler.json",
-            "sourceHash" : "17daffa4ab22b84633fe239c767c85070dd96d078fc6451e437632e00c663d53"
+            "sourceHash" : "729d8acf2dc52374d7de3efa3959b0e0c0ab0d2561359bc062ea06198c14bdc4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf577",
-                    "hash" : "0xae23dfa6998999228e626354e952cd26005387d5ed6cc311874da4c7935e2227",
-                    "mixHash" : "0x7123514b16f6d73defe82d56706f81a4c4b6f73122e9779f6c2e41e1719f626e",
-                    "nonce" : "0x0ff9b35ae03d0d5b",
+                    "hash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
                     "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "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",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xae23dfa6998999228e626354e952cd26005387d5ed6cc311874da4c7935e2227",
+        "lastblockhash" : "0xc356ffda5ae085ec2d3f701fa547dabd961bafd1564882a14a0cdd9161003eae",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_55190_55190_42965_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_55190_55190_42965_35000_d0g3v0Filler.json",
+            "sourceHash" : "729d8acf2dc52374d7de3efa3959b0e0c0ab0d2561359bc062ea06198c14bdc4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf577",
+                    "hash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+                    "receiptTrie" : "0xc9e8c6fc103ccb6ea60727236b949ccd89483688a5b252356683885372b2160d",
+                    "stateRoot" : "0xda37d7f5de29dc07461c245ca17973ac9c7388a2df5665b3ecbf9e9a3a5dd325",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x87295d263cb4afaec4f395cdd8b2481cfcaf86e89dc65a8320ca1cb42d864f60",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "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",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x4faa0819d25c04398cdd4c33163a124bca92b055ef7afd6ce46a361e57414fcb",
+                        "s" : "0x7f54dff2958620182cead0730b80582e7c4350c26020991df5414e56fcb0afa1",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xe15d0dabb0fbd62154afea8244ae265253ca1788cbe10ecfcfe3674f1e28d8ad",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xcceb78936af05f327963f56162ebef9975e79816efdbde504495c4c342bf7eb3",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x87eac32f5517d4619c53193b316ee389ac92abbba28b38d64d1875be2990e419",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf765",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761089b",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0xc180ec8d162fccdd700a086100d56543bccabfc357ba4c070df23a92790537bb"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0201ee",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fe12",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g0v0.json
index ea67e9611..3d881bd05 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_1000000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g0v0Filler.json",
-            "sourceHash" : "8be041749c5815e5d9bd9875ce415e739559313f5108f41b6f853696dd4bcb99"
+            "sourceHash" : "41c42e5d7972a5128a52c09478f9e172117daf99071be44ed90e569ce61840f6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x0b557c",
-                    "hash" : "0xf198070d135386df25e1449cfc896f0db384a612e5803db3f4f9a22ddba52570",
-                    "mixHash" : "0x3c9f7cd5b40a8bd6e36da9dc3d5d6f6605a277797a6aa95f7c752028c165b102",
-                    "nonce" : "0x772b8976226aac23",
+                    "hash" : "0x3d2e39b6106500519eaa569db0dcc564af495ec2cc81d2e3493acf8ccea11f5b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x1ef3ddc2d46bc4095619e417c5d561c25f8dd25eafe5d3a5c548302615a26829",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x067dfc47238a5c782c08d3609bfa98dee4db0a7716fd6f04397919b04ed04a3d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf198070d135386df25e1449cfc896f0db384a612e5803db3f4f9a22ddba52570",
+        "lastblockhash" : "0x3d2e39b6106500519eaa569db0dcc564af495ec2cc81d2e3493acf8ccea11f5b",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -224,6 +224,235 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_1000000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g0v0Filler.json",
+            "sourceHash" : "41c42e5d7972a5128a52c09478f9e172117daf99071be44ed90e569ce61840f6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x0b557c",
+                    "hash" : "0x3faf250ecf49e638d560adedb648c18e5b0d797b48de1f58abf2f43ed79049c4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x1ef3ddc2d46bc4095619e417c5d561c25f8dd25eafe5d3a5c548302615a26829",
+                    "stateRoot" : "0xa6dfaec4b5b096fdcf90475a36da23f330495e4c93416f0f60c2805295a686ca",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x067dfc47238a5c782c08d3609bfa98dee4db0a7716fd6f04397919b04ed04a3d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x0fde18",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x79b09fa7c14e4b55dc91bb056b2c79cd57d80f3e52c3cacabf21a6a1041fd7cf",
+                        "s" : "0x1e3e774e4f45ca24554da28dd9cbcf9dcb30d2aa7f8862befed5c8965db30402",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3faf250ecf49e638d560adedb648c18e5b0d797b48de1f58abf2f43ed79049c4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ed55876",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a756a78a",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                    "0x00" : "0x3961ec903a448e057fbc76e10170d02f15b9b65c2f7fc8215f611ec6dc74cf91"
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g1v0.json
index 330873b0a..f8e2db0b2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_1000000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g1v0Filler.json",
-            "sourceHash" : "9eb36086ab2bec569243bce66025204755f9a5e86350e383054214bbcfcb4f7f"
+            "sourceHash" : "7798ddb29e7c14a4b9397e7ec03750bb049539fe428c596b0581e1c0766c52c3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0xe072a791004cf47539980d927bb0bb581ba59ec6f6a47821407340480e6c5087",
-                    "mixHash" : "0xb8f23fe8cd11f947eaa1940dbcd462260719ab99aa2933dfcd0a7e13fc670e64",
-                    "nonce" : "0xfc526bf1760715a6",
+                    "hash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe072a791004cf47539980d927bb0bb581ba59ec6f6a47821407340480e6c5087",
+        "lastblockhash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_1000000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g1v0Filler.json",
+            "sourceHash" : "7798ddb29e7c14a4b9397e7ec03750bb049539fe428c596b0581e1c0766c52c3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xd8dbb1a71aa8aa16e796e2476fc183adfe3f542325a2b65139eb8033a5de3e3b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x6dd685e4783302373aaa38753e16c3ee9fecf359f4c7af1c1ce5aca1093a6f4f",
+                        "s" : "0x58ae4fd09eeb369e772b3b5f3a905a719d3c7a657ec587b15228ac2c8467f7d5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g2v0.json
index 7974cc1a9..133a221e8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_1000000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g2v0Filler.json",
-            "sourceHash" : "773c7d1a706e42e3958e161c8511156e61be8b31db593387655c5dc0d22ad9e8"
+            "sourceHash" : "6cddb4fc9d31815fc0ed776c547b85ac2b9b205a6c80f1851c79ca0a28f299e0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x5249dda2a76fa5fed67df22a568399aa2a019bb0e4ff3075bd18f1725356e9f9",
-                    "mixHash" : "0x9e746a01fbc64da2d5c9b2986936c7724f247dde7416d7fdc1735eeea7c4dd35",
-                    "nonce" : "0xdba9b4e91ef4229c",
+                    "hash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a055ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273ba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x5249dda2a76fa5fed67df22a568399aa2a019bb0e4ff3075bd18f1725356e9f9",
+        "lastblockhash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_1000000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g2v0Filler.json",
+            "sourceHash" : "6cddb4fc9d31815fc0ed776c547b85ac2b9b205a6c80f1851c79ca0a28f299e0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x64403e90ce9e76837627f49a7bcf983c67b74c9c0d134495802bf86a7e12e4e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x647dd7d94872cea21579ebd055a3f92206617ab52baac6bc3d9dbd6a46bfe4be",
+                        "s" : "0x2ac8d4e15f02fa0f951e3c8903ecb0d0bf50aae4abcede9a45d8b703d300211c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g3v0.json
index 139f68614..7007ac604 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_1000000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g3v0Filler.json",
-            "sourceHash" : "a5e5433e6f2c564f86341f65f3016b917d9a56f6b4dc91e19ae5d7fb949d7da1"
+            "sourceHash" : "d7d91216882f3dd6f0c65f8ceb1989690a0ce68963f787d6ee786acd07fc11e5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x6d518683ad637156fb8acef5a637b715d6817e65c8c51e0cbd01d05462b33c61",
-                    "mixHash" : "0xf4481305013a655cdc4ec33b7811c1fab0df17d41db074589bb05b5a66fb6307",
-                    "nonce" : "0x8be5b93f1b557ce6",
+                    "hash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6d518683ad637156fb8acef5a637b715d6817e65c8c51e0cbd01d05462b33c61",
+        "lastblockhash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_1000000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_1000000_d0g3v0Filler.json",
+            "sourceHash" : "d7d91216882f3dd6f0c65f8ceb1989690a0ce68963f787d6ee786acd07fc11e5"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xaa47b2093cc2cc9ff45270b3cee65556b54df82d29eb1c8fc9db8553a53e4af8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xcf0bf07c06e34b4bd3d3ae7272567f467dfb13b4b5ca6a3b59ca8f8eefcf5552",
+                        "s" : "0x6bad042b7c089dddf86904e30159c0da2c550db275175f6f5b3cad787f3f779e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g0v0.json
index bb9a00dfb..87f67537c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_155000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g0v0Filler.json",
-            "sourceHash" : "8c9066bc8a9952434e8f18facfb3f5df664b64c5ef2f274555911cb1fc4c1fed"
+            "sourceHash" : "a0c3cc5a37311da3d2209667fe51fc6b5bb8973dcdd8c104cf6c1b25b97faeb4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x02f950",
-                    "hash" : "0x77cadaace613a1691ae64e150e1956ede5d2236d0ef12a50f86dff828cb9140d",
-                    "mixHash" : "0x66c1cebe011b2d9053bc226b8ca635ceb459253a3d0913c5ffa7e6f3be5026f7",
-                    "nonce" : "0x98b3b118b45fdd6e",
+                    "hash" : "0x27c40aa51eec02b7b2c88e0cd86ba3235d478f5b61583095eaff7d845d82969d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x39569878ca1eff6cef7cfe543ac1f7efc667632562e408f9d334589a41ba3ce1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x774e70b2db640e4a3c92a17e5f12e46ebf51221119f3c6a9e3b0e7f83f4f5e48",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x77cadaace613a1691ae64e150e1956ede5d2236d0ef12a50f86dff828cb9140d",
+        "lastblockhash" : "0x27c40aa51eec02b7b2c88e0cd86ba3235d478f5b61583095eaff7d845d82969d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_155000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g0v0Filler.json",
+            "sourceHash" : "a0c3cc5a37311da3d2209667fe51fc6b5bb8973dcdd8c104cf6c1b25b97faeb4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x02f950",
+                    "hash" : "0x62e9eeb3291a70cb812c4b99d5cc572f8b57ea7ab8702b5a3d16e8a6034fd8d4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x39569878ca1eff6cef7cfe543ac1f7efc667632562e408f9d334589a41ba3ce1",
+                    "stateRoot" : "0x84d396b735c8d939353b8b37abe2af62dfa952c4fcd563a6791c8040572c4c57",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x774e70b2db640e4a3c92a17e5f12e46ebf51221119f3c6a9e3b0e7f83f4f5e48",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x02f950",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x617dba4ba4991d7f3c63c0c9b2d38dd3a94add00f31492d56d12a2aa4f60eabb",
+                        "s" : "0x70c7205c43c3d823bce6d13917b191ee110b38f11103cde669c6ae8ca240bcd6",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x62e9eeb3291a70cb812c4b99d5cc572f8b57ea7ab8702b5a3d16e8a6034fd8d4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674eccfc4a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75f03b6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g1v0.json
index f0b842f0d..94971c67e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_155000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g1v0Filler.json",
-            "sourceHash" : "835c84ec771c8985ff82b4bfb1d6df7747ac65ee1ca0a67c1b1a9c55e35253c5"
+            "sourceHash" : "cee621c1d07d42861f2a84635107081acd90f1adbc2f9743d286378f101ca9f3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x1a86cab8c91356a669c9cb11ee6979731bc9aad7ae85b36aac4af3341ef8802d",
-                    "mixHash" : "0x87ae1fe292daf0acbbe89a1bd0205dddf766cba76c7e2fa0d0f13405fabffe74",
-                    "nonce" : "0x9bd7a2ad46925f68",
+                    "hash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1a86cab8c91356a669c9cb11ee6979731bc9aad7ae85b36aac4af3341ef8802d",
+        "lastblockhash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_155000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g1v0Filler.json",
+            "sourceHash" : "cee621c1d07d42861f2a84635107081acd90f1adbc2f9743d286378f101ca9f3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xd8dbb1a71aa8aa16e796e2476fc183adfe3f542325a2b65139eb8033a5de3e3b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x6dd685e4783302373aaa38753e16c3ee9fecf359f4c7af1c1ce5aca1093a6f4f",
+                        "s" : "0x58ae4fd09eeb369e772b3b5f3a905a719d3c7a657ec587b15228ac2c8467f7d5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g2v0.json
index 7b0afb9e6..56303f8f8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_155000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g2v0Filler.json",
-            "sourceHash" : "5046e19bf5564dae42825dff9a3c48e7f010f6a450198533d38b3befecfe4b03"
+            "sourceHash" : "5c5d10429d37f438ac65ee5e4a2986050ff8a6c0d51d686c80f23d65d211f651"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x9f3185b701581980f6caddbeae45bcfa71337e449911ddf54fa16976ccd2c931",
-                    "mixHash" : "0x4586e1f4ad9c049a3fbf21a32d9c6464cd5fc173aca04feb347db838ec7b6207",
-                    "nonce" : "0x7074c41b671ed005",
+                    "hash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9f3185b701581980f6caddbeae45bcfa71337e449911ddf54fa16976ccd2c931",
+        "lastblockhash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_155000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g2v0Filler.json",
+            "sourceHash" : "5c5d10429d37f438ac65ee5e4a2986050ff8a6c0d51d686c80f23d65d211f651"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x64403e90ce9e76837627f49a7bcf983c67b74c9c0d134495802bf86a7e12e4e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x647dd7d94872cea21579ebd055a3f92206617ab52baac6bc3d9dbd6a46bfe4be",
+                        "s" : "0x2ac8d4e15f02fa0f951e3c8903ecb0d0bf50aae4abcede9a45d8b703d300211c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037608061034061014051610160600060056305f5e0fff115585760806103205261032060a0806103e08284600060046022f15050506103e08051602082012090506000556103e060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g3v0.json
index 6a54d2938..ca2c1ebdd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_155000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g3v0Filler.json",
-            "sourceHash" : "0aa821e70dac9387ab5ac17df33f0afbb9e45ef6c5d10bc34f886b6516642218"
+            "sourceHash" : "a343e0de2009b3649f87435dd0f10aa9615aa6f653e2e7a2b0117d91b9dce3f0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xf7a95328b03e3fd71abadebb2d61035a897f5078f2512953f224e8c5e756111d",
-                    "mixHash" : "0x004ea826b16442f3fc178a483cd2647390abbc546d02d563d3120566f82cbb40",
-                    "nonce" : "0xd4f5044cda739d84",
+                    "hash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf7a95328b03e3fd71abadebb2d61035a897f5078f2512953f224e8c5e756111d",
+        "lastblockhash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_155000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_155000_d0g3v0Filler.json",
+            "sourceHash" : "a343e0de2009b3649f87435dd0f10aa9615aa6f653e2e7a2b0117d91b9dce3f0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xaa47b2093cc2cc9ff45270b3cee65556b54df82d29eb1c8fc9db8553a53e4af8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xcf0bf07c06e34b4bd3d3ae7272567f467dfb13b4b5ca6a3b59ca8f8eefcf5552",
+                        "s" : "0x6bad042b7c089dddf86904e30159c0da2c550db275175f6f5b3cad787f3f779e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g0v0.json
index 9ff7bd9e1..58d040e3c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_20500_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g0v0Filler.json",
-            "sourceHash" : "1f7d4b10ad2a20659ad48e255832f396984bdcb73c507b1392bb09df53024183"
+            "sourceHash" : "c8d7c9109801360193287aff0266ca1153f8a045f92506a6beb60d30dd67ec98"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xebec",
-                    "hash" : "0x559c592267351f86451467e2306bd5e186d987a3ac0c6acb1a70059779a8760b",
-                    "mixHash" : "0x006ae0dfb0af7ea7c6df4a57c17897add4ed90a219bb3774d4760bea693cdd84",
-                    "nonce" : "0xef86434fd689ab2f",
+                    "hash" : "0xd2fb88de360d46f2c49644a82b3cf5e13637f9915a0e5d7fff6e86cd077b5417",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xc9ef6d404b7f67fb59d5251693ed03c9b9cc1becdc2ec61a42557d74461466b2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6dadf970c6b09cccd0b1f2c91b29931b0c7b8e9128f0974586d538b36a052a38",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x559c592267351f86451467e2306bd5e186d987a3ac0c6acb1a70059779a8760b",
+        "lastblockhash" : "0xd2fb88de360d46f2c49644a82b3cf5e13637f9915a0e5d7fff6e86cd077b5417",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_20500_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g0v0Filler.json",
+            "sourceHash" : "c8d7c9109801360193287aff0266ca1153f8a045f92506a6beb60d30dd67ec98"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xebec",
+                    "hash" : "0xfa519eba13ba1430134444069106a8ae1be2ea1191e3ca8215244744bbbd76c2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xc9ef6d404b7f67fb59d5251693ed03c9b9cc1becdc2ec61a42557d74461466b2",
+                    "stateRoot" : "0xae7ceaaeded912557e9851b74645880907125fcfd9c4b7932654c1496e067d83",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6dadf970c6b09cccd0b1f2c91b29931b0c7b8e9128f0974586d538b36a052a38",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xebec",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xda2988db6b8672c1c1f2d5d4efc8df71d68efbe0ad08bb853c8e62732cdad168",
+                        "s" : "0x4a3b2f195559ca9586ac043bbde913f5f8b3dd4ac46eb32cda40bda0e277625e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfa519eba13ba1430134444069106a8ae1be2ea1191e3ca8215244744bbbd76c2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaeee6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761111a",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g1v0.json
index e2686e2de..451e028ab 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_20500_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g1v0Filler.json",
-            "sourceHash" : "afae37b48a1b48fd96428c1b5c32846485e89bf0b1d7431bab00a9fdc9d946fb"
+            "sourceHash" : "86629d65d59c5c12c87bd1470958501931e18d6320215070b91e74a11102daf0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x4be95ff7402ee3ecd27fcaa4b951edcbb11ea5bcdf0f4ab568dea10228d48a52",
-                    "mixHash" : "0x33384b299941662e6e7bd250b80d2ee3967b56b8f56cfb0c43b8117004fb517c",
-                    "nonce" : "0x6b6ce4e52a929a03",
+                    "hash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4be95ff7402ee3ecd27fcaa4b951edcbb11ea5bcdf0f4ab568dea10228d48a52",
+        "lastblockhash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_20500_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g1v0Filler.json",
+            "sourceHash" : "86629d65d59c5c12c87bd1470958501931e18d6320215070b91e74a11102daf0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xd8dbb1a71aa8aa16e796e2476fc183adfe3f542325a2b65139eb8033a5de3e3b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x6dd685e4783302373aaa38753e16c3ee9fecf359f4c7af1c1ce5aca1093a6f4f",
+                        "s" : "0x58ae4fd09eeb369e772b3b5f3a905a719d3c7a657ec587b15228ac2c8467f7d5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g2v0.json
index 8b73e1a0f..fa4c7db6f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_20500_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g2v0Filler.json",
-            "sourceHash" : "8625598773990949b0dfa2939dd6419074ace7c5bd817113e3a61a261ccf1840"
+            "sourceHash" : "547994098a942a633d8b28d6896178825d966623acd168c26413b2ff33230a76"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x682fc0a257a0d15c4da93365c8084d1481a8f5ec343930c2e2e57af3f4d99997",
-                    "mixHash" : "0x79d2fe5029e5f2ca9ad4b107214bae7cae316324d03d56f74b2774fa0ead6b37",
-                    "nonce" : "0x288e0b1a873a6f1d",
+                    "hash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a055ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273ba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x682fc0a257a0d15c4da93365c8084d1481a8f5ec343930c2e2e57af3f4d99997",
+        "lastblockhash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_20500_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g2v0Filler.json",
+            "sourceHash" : "547994098a942a633d8b28d6896178825d966623acd168c26413b2ff33230a76"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x64403e90ce9e76837627f49a7bcf983c67b74c9c0d134495802bf86a7e12e4e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x647dd7d94872cea21579ebd055a3f92206617ab52baac6bc3d9dbd6a46bfe4be",
+                        "s" : "0x2ac8d4e15f02fa0f951e3c8903ecb0d0bf50aae4abcede9a45d8b703d300211c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g3v0.json
index 61bec0b0d..b5976dfbc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_20500_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g3v0Filler.json",
-            "sourceHash" : "48af105c92fdc42d8be45fc8fec102434dde60cda2be17b27c96aa389ea51a8f"
+            "sourceHash" : "cac2a0ad3049c9dadbebb07d325cfb0959b561c303fb168be335ccea46e18cac"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x315f93e1c2924483ef7a005b5d0fa5500c90e837d434c003fdca3434afbfda4b",
-                    "mixHash" : "0xa024b3c898d493ae4604b3ffb0de1ebd783d9229d792c1fe9f2b91ca52501bac",
-                    "nonce" : "0x453de04213033c6c",
+                    "hash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90429f901f9a0d383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadeca01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a029c92115e67eec179ba0279b9e30f701c874df4651f8175038774f782cfa75d6a0e4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0daa0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a0a024b3c898d493ae4604b3ffb0de1ebd783d9229d792c1fe9f2b91ca52501bac88453de04213033c6cf90229f90226010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97000000000000000000000000000000000000000000000000000000000000001ca0cf0bf07c06e34b4bd3d3ae7272567f467dfb13b4b5ca6a3b59ca8f8eefcf5552a06bad042b7c089dddf86904e30159c0da2c550db275175f6f5b3cad787f3f779ec0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x315f93e1c2924483ef7a005b5d0fa5500c90e837d434c003fdca3434afbfda4b",
+        "lastblockhash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_20500_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_20500_d0g3v0Filler.json",
+            "sourceHash" : "cac2a0ad3049c9dadbebb07d325cfb0959b561c303fb168be335ccea46e18cac"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xaa47b2093cc2cc9ff45270b3cee65556b54df82d29eb1c8fc9db8553a53e4af8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xcf0bf07c06e34b4bd3d3ae7272567f467dfb13b4b5ca6a3b59ca8f8eefcf5552",
+                        "s" : "0x6bad042b7c089dddf86904e30159c0da2c550db275175f6f5b3cad787f3f779e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g0v0.json
index 38ec16c6c..dba13c193 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_22000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g0v0Filler.json",
-            "sourceHash" : "2dacafa2d887b19e25d36efcb772136636e5b302cdfc1b76822d9e0a281bd6e6"
+            "sourceHash" : "3ba9398ed0181aef943bdcf94f453c77f0b4743916e2c45b03bfca7f55fd920e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xf1c8",
-                    "hash" : "0xd0298de1022aabc0423ec61b1e691b2105cb0bbf9c251a01648565b69c0c0251",
-                    "mixHash" : "0xe286a0722b484a9ce326bab5246942a9690b041e0bf7e097efb592203fbdbf9c",
-                    "nonce" : "0x058c899a4560db8a",
+                    "hash" : "0x43b863598d3537784905949e2d9cce9d2c087436378182ec20016b519809228d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x026e61688a82184479c8661d460f49d0e46108e0f6da511e461f4ea6183601ed",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa7a9f62a934878fb43cdb1d607723e6add55e7ab588603c1cb6f66134962fe60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90427f901f8a0d383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadeca01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a076c99bf8e48fdb2b31192656c346479d94fecd352a94aeac2668f187f6b07d31a0a7a9f62a934878fb43cdb1d607723e6add55e7ab588603c1cb6f66134962fe60a0026e61688a82184479c8661d460f49d0e46108e0f6da511e461f4ea6183601edb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10082f1c88203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90228f90225010182f1c894c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97000000000000000000000000000000000000000000000000000000000000001ba05cf5357e44070982f827d438707464720158d5e5ecb64f3be3250818506fd229a05a90e38afae620ce3e8a34073bdc6fac99b6eec4cc9e7a0498919f4c0d3c1a7bc0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd0298de1022aabc0423ec61b1e691b2105cb0bbf9c251a01648565b69c0c0251",
+        "lastblockhash" : "0x43b863598d3537784905949e2d9cce9d2c087436378182ec20016b519809228d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_22000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g0v0Filler.json",
+            "sourceHash" : "3ba9398ed0181aef943bdcf94f453c77f0b4743916e2c45b03bfca7f55fd920e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xf1c8",
+                    "hash" : "0xb9965186480542a692dab755a37e5ab001a0f40949f821f3151ee945974c1f04",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x026e61688a82184479c8661d460f49d0e46108e0f6da511e461f4ea6183601ed",
+                    "stateRoot" : "0xb59b9d33a8006c0543ea840c28723747a63d628f3f918939cfa07a2eedcc6216",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa7a9f62a934878fb43cdb1d607723e6add55e7ab588603c1cb6f66134962fe60",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xf1c8",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x5cf5357e44070982f827d438707464720158d5e5ecb64f3be3250818506fd229",
+                        "s" : "0x5a90e38afae620ce3e8a34073bdc6fac99b6eec4cc9e7a0498919f4c0d3c1a7b",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb9965186480542a692dab755a37e5ab001a0f40949f821f3151ee945974c1f04",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecaf4c2",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7610b3e",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037608061034061014051610160600060056305f5e0fff115585760806103205261032060a0806103e08284600060046022f15050506103e08051602082012090506000556103e060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g1v0.json
index 792d93100..e08a1e0fe 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_22000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g1v0Filler.json",
-            "sourceHash" : "51ecabf064254e4a7814ae127e8eb942d05dbb55aae373230cc25533a1a3af79"
+            "sourceHash" : "ace2176602a763e9ac9c430e7437a0a1d0afde26d39c4a5b212d032e0c297e97"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x3c8d9549e6ee5018ec022ff3bc912a3eab1da44ff2c35aefd0249bb7334b32de",
-                    "mixHash" : "0x52b4ab6414c0e835cd94b193f62f2d3f317d77061c650e70906b9d9b2fc3209e",
-                    "nonce" : "0x526d006aa28f1e15",
+                    "hash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3c8d9549e6ee5018ec022ff3bc912a3eab1da44ff2c35aefd0249bb7334b32de",
+        "lastblockhash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_22000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g1v0Filler.json",
+            "sourceHash" : "ace2176602a763e9ac9c430e7437a0a1d0afde26d39c4a5b212d032e0c297e97"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xd8dbb1a71aa8aa16e796e2476fc183adfe3f542325a2b65139eb8033a5de3e3b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x6dd685e4783302373aaa38753e16c3ee9fecf359f4c7af1c1ce5aca1093a6f4f",
+                        "s" : "0x58ae4fd09eeb369e772b3b5f3a905a719d3c7a657ec587b15228ac2c8467f7d5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g2v0.json
index 9f25cc735..9916f6a0e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_22000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g2v0Filler.json",
-            "sourceHash" : "8dcb95f37d6b969bd0b252d410049c017492b9e6e2c3c0deaf0a3fadfcaca961"
+            "sourceHash" : "84505ef9d6a918c0cd32b68767a83d3f429ada3bc88d0545b8fada2dc52815f1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x831a907b2b9d76e37b55c8bac399767d8f9e82fcf00f9c1b4ff8b80982a5c88b",
-                    "mixHash" : "0xa39f9c13359670733c5bccfe22492f81f28af6b47b5f2e488a85411f62e93a60",
-                    "nonce" : "0x38eb163933ec14cf",
+                    "hash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x831a907b2b9d76e37b55c8bac399767d8f9e82fcf00f9c1b4ff8b80982a5c88b",
+        "lastblockhash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_22000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g2v0Filler.json",
+            "sourceHash" : "84505ef9d6a918c0cd32b68767a83d3f429ada3bc88d0545b8fada2dc52815f1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x64403e90ce9e76837627f49a7bcf983c67b74c9c0d134495802bf86a7e12e4e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x647dd7d94872cea21579ebd055a3f92206617ab52baac6bc3d9dbd6a46bfe4be",
+                        "s" : "0x2ac8d4e15f02fa0f951e3c8903ecb0d0bf50aae4abcede9a45d8b703d300211c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a055ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273ba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g3v0.json
index a38ddd9c1..f3601a42d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_22000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g3v0Filler.json",
-            "sourceHash" : "b2df46d03fc8cdf526f21721013fcd86ad9394c3a56cba68304b9e2d875b40b1"
+            "sourceHash" : "f80c1514f2380163739b4be2a0e05057ce7ca3d223a3094358ec9c6ba6f10f7d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xdb203f3fa40252e63781b11b24a9ceaceaa7a036db83055a5240c20d7777dea4",
-                    "mixHash" : "0x4a227c08ae2a01a12125f7932ec35d576570810bb6a97c8412a7574d6badfd1a",
-                    "nonce" : "0xac60258d139ac29c",
+                    "hash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdb203f3fa40252e63781b11b24a9ceaceaa7a036db83055a5240c20d7777dea4",
+        "lastblockhash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_22000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_22000_d0g3v0Filler.json",
+            "sourceHash" : "f80c1514f2380163739b4be2a0e05057ce7ca3d223a3094358ec9c6ba6f10f7d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xaa47b2093cc2cc9ff45270b3cee65556b54df82d29eb1c8fc9db8553a53e4af8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xcf0bf07c06e34b4bd3d3ae7272567f467dfb13b4b5ca6a3b59ca8f8eefcf5552",
+                        "s" : "0x6bad042b7c089dddf86904e30159c0da2c550db275175f6f5b3cad787f3f779e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a055ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273ba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g0v0.json
index bb2e8a18d..3307ffbbc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_35000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g0v0Filler.json",
-            "sourceHash" : "8156ff081189a172d394178c9e63dc47cbfd94b46bb365c92d670306ad49a9c9"
+            "sourceHash" : "414a3a5137524e1a3a4b9ce96d2f2196c529ecbb1fc470f2520c3bbe500a4382"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x012490",
-                    "hash" : "0x39502803d624779a2f72f81aac9da8f779f0efd1ecd110abfecc5e5ff6f56c82",
-                    "mixHash" : "0x083430d271f482bf36270d8ce0be899842d4bead29300b55bd7e966d3737c1a5",
-                    "nonce" : "0x607a2f4996b52715",
+                    "hash" : "0xf9f9e0f6138f191cb01208b07803eff47deab7917c3e9758ef9e63db37c470f7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xf1112e559b3c89ccad1c1f59bc7e8077f36657c23a72bc5f0f2ed46fe09593a1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf8803ba41518a67c7bc662012cb3225ef35cbacd37b68b6d9a572719ba8d881f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x39502803d624779a2f72f81aac9da8f779f0efd1ecd110abfecc5e5ff6f56c82",
+        "lastblockhash" : "0xf9f9e0f6138f191cb01208b07803eff47deab7917c3e9758ef9e63db37c470f7",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_35000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g0v0Filler.json",
+            "sourceHash" : "414a3a5137524e1a3a4b9ce96d2f2196c529ecbb1fc470f2520c3bbe500a4382"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x012490",
+                    "hash" : "0x341efaffaacc895dda8b9b4c37c6c39230ae3fecf977767f1b6fc4925f28c3e8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xf1112e559b3c89ccad1c1f59bc7e8077f36657c23a72bc5f0f2ed46fe09593a1",
+                    "stateRoot" : "0x4feefeffaf603127623ecd107641121da71b96ee298dccd79e7578c440ebebac",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf8803ba41518a67c7bc662012cb3225ef35cbacd37b68b6d9a572719ba8d881f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90429f901f9a0d383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadeca01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a04feefeffaf603127623ecd107641121da71b96ee298dccd79e7578c440ebebaca0f8803ba41518a67c7bc662012cb3225ef35cbacd37b68b6d9a572719ba8d881fa0f1112e559b3c89ccad1c1f59bc7e8077f36657c23a72bc5f0f2ed46fe09593a1b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e100830124908203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f9022601018301249094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97000000000000000000000000000000000000000000000000000000000000001ba00b542799923bf6113cd931e4e801d7650306d511565b88e3f73fc0bd8e96da60a0512b70ad36b6826723b4c470bbfd67b74a695faf6d966d30a18123742808916ec0",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x012490",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x0b542799923bf6113cd931e4e801d7650306d511565b88e3f73fc0bd8e96da60",
+                        "s" : "0x512b70ad36b6826723b4c470bbfd67b74a695faf6d966d30a18123742808916e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x341efaffaacc895dda8b9b4c37c6c39230ae3fecf977767f1b6fc4925f28c3e8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb278a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760d876",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g1v0.json
index b0dd32e03..aa18cb526 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_35000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g1v0Filler.json",
-            "sourceHash" : "13d4377e596816294713ab000d9c76ddbf9617cfb40d17e7a0a3670c983a3c34"
+            "sourceHash" : "19e0192f2b90ad9040e48996f6f104f775c40dc8777be10f14e04f9a74e771a5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x60a5b6fa2477a13f04b4105b48e97415bd6189cf8e6f94951f379f307a86377c",
-                    "mixHash" : "0xcd1e87668f660176bb785edc88dcea8ca3382bd9b36160064795fe21f150c8ae",
-                    "nonce" : "0xd842f5afd74686d2",
+                    "hash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x60a5b6fa2477a13f04b4105b48e97415bd6189cf8e6f94951f379f307a86377c",
+        "lastblockhash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_35000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g1v0Filler.json",
+            "sourceHash" : "19e0192f2b90ad9040e48996f6f104f775c40dc8777be10f14e04f9a74e771a5"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xd8dbb1a71aa8aa16e796e2476fc183adfe3f542325a2b65139eb8033a5de3e3b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x6dd685e4783302373aaa38753e16c3ee9fecf359f4c7af1c1ce5aca1093a6f4f",
+                        "s" : "0x58ae4fd09eeb369e772b3b5f3a905a719d3c7a657ec587b15228ac2c8467f7d5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g2v0.json
index 516db7f84..2d6830eb6 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_35000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g2v0Filler.json",
-            "sourceHash" : "add41cd03aaa958964fa25371a17b58eda18fa2472604bc695755d27c77e647c"
+            "sourceHash" : "8fad6479e802407c11edff5d16a3fbd0bc2af1d54d1bef2ef29cedb78e875052"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x4c951ff64e356fe6926622cbf85b112bcc9328791958d5e4ea0a40740b257640",
-                    "mixHash" : "0xb84b3fb609ba8cef7a943d784d12be3f2e5e1aa778bb23715704bfb8640e9737",
-                    "nonce" : "0x326f0411d3300f64",
+                    "hash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a055ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273ba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x4c951ff64e356fe6926622cbf85b112bcc9328791958d5e4ea0a40740b257640",
+        "lastblockhash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_35000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g2v0Filler.json",
+            "sourceHash" : "8fad6479e802407c11edff5d16a3fbd0bc2af1d54d1bef2ef29cedb78e875052"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x64403e90ce9e76837627f49a7bcf983c67b74c9c0d134495802bf86a7e12e4e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x647dd7d94872cea21579ebd055a3f92206617ab52baac6bc3d9dbd6a46bfe4be",
+                        "s" : "0x2ac8d4e15f02fa0f951e3c8903ecb0d0bf50aae4abcede9a45d8b703d300211c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g3v0.json
index 5c0bebbd3..befa10a0b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_9_37111_37111_35000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g3v0Filler.json",
-            "sourceHash" : "25f88dbd16139e65603c1737b4598ac9593c2f7951e313681e80c813e521636c"
+            "sourceHash" : "33fa3a1e7647c1947c50f3154f2dad1a636e2b3d7341fda53a6f66e401f7dbcc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xcbe63553f4d4fd369a532a65bbe9385ecffbff78f84ffd43a57d3cd64a9684f7",
-                    "mixHash" : "0x9af596138ea16d9a808750320003475ddc23df54e8590746daef316acb276ea5",
-                    "nonce" : "0x1eceb029f013f7a4",
+                    "hash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcbe63553f4d4fd369a532a65bbe9385ecffbff78f84ffd43a57d3cd64a9684f7",
+        "lastblockhash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_37111_37111_35000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_37111_37111_35000_d0g3v0Filler.json",
+            "sourceHash" : "33fa3a1e7647c1947c50f3154f2dad1a636e2b3d7341fda53a6f66e401f7dbcc"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xaa47b2093cc2cc9ff45270b3cee65556b54df82d29eb1c8fc9db8553a53e4af8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xcf0bf07c06e34b4bd3d3ae7272567f467dfb13b4b5ca6a3b59ca8f8eefcf5552",
+                        "s" : "0x6bad042b7c089dddf86904e30159c0da2c550db275175f6f5b3cad787f3f779e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g0v0.json
index 097ca6228..498de006a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_9_3711_37111_25000_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g0v0Filler.json",
-            "sourceHash" : "ee37e6a369b1fc4cce35d67d2103aa30c10ab19cf88965caa0dd0ee1062fb368"
+            "sourceHash" : "171cb63c143d4b2babce371715302f9299118a2c2677671a6929d1574cfdbe4d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0xfd80",
-                    "hash" : "0xeb407baa6b36f0421f61dc6affec1ee7116c4ec9b803d241e8026decdb85c275",
-                    "mixHash" : "0x76d35be025f5eca89d8af4c5d8b524459035da1a12182ca9451e559d3887bb84",
-                    "nonce" : "0xebd69d5736bf4737",
+                    "hash" : "0xe3775d2aab965c3125eb4c83b9fd6ec164ef7c8b4b1953a0e4d1fc8bc80dfab3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xf85ef3979754b7ecfd28d1ea2638a3080ebe3334eadd0777129541ab76ba07c0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd53a1c47f6565aab44bd14567046ae0ed3e120c5c4ffcffab066944a1dc2c145",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xeb407baa6b36f0421f61dc6affec1ee7116c4ec9b803d241e8026decdb85c275",
+        "lastblockhash" : "0xe3775d2aab965c3125eb4c83b9fd6ec164ef7c8b4b1953a0e4d1fc8bc80dfab3",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_3711_37111_25000_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g0v0Filler.json",
+            "sourceHash" : "171cb63c143d4b2babce371715302f9299118a2c2677671a6929d1574cfdbe4d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0xfd80",
+                    "hash" : "0x256b7ba4274c6eb7d2408a0b984c34c45b769e8cbbdd9c6c449d84c69cf383bd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xf85ef3979754b7ecfd28d1ea2638a3080ebe3334eadd0777129541ab76ba07c0",
+                    "stateRoot" : "0x8ac7d0948d2a9dfd90818890514bf9570c79b48798becd77987792367241c61e",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd53a1c47f6565aab44bd14567046ae0ed3e120c5c4ffcffab066944a1dc2c145",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0xfd80",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x35b83d81965c174c0ac0fc425c81fd8330ab037755144acd7e0b836f638633bb",
+                        "s" : "0x663b7580b33e46f6718ab9bc968b2766210dee51a72cd4caa58ffcd61d983407",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x256b7ba4274c6eb7d2408a0b984c34c45b769e8cbbdd9c6c449d84c69cf383bd",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb007a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a760ff86",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "0x600035601c52740100000000000000000000000000000000000000006020526fffffffffffffffffffffffffffffffff6040527fffffffffffffffffffffffffffffffff000000000000000000000000000000016060527402540be3fffffffffffffffffffffffffdabf41c006080527ffffffffffffffffffffffffdabf41c00000000000000000000000002540be40060a0526330c8d1da600051141561012c576101856004356004013511151558576004356004013560200160043560040161014037608061034061014051610160600060056305f5e0fff115585760806103205261032060a0806103e08284600060046022f15050506103e08051602082012090506000556103e060206020820352604081510160206001820306601f820103905060208203f350005b",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g1v0.json
index 86a83c9e6..725f8b995 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_9_3711_37111_25000_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g1v0Filler.json",
-            "sourceHash" : "4d1a89109bfcc2859d756e383bacbee988d2c44c6d5c799898ae3896465475f5"
+            "sourceHash" : "149f59f01d70a0ace2c1cd93e9a89664e89ba19498afad1bc957f64aaba7fad8"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x5448ff2bf42028f9d23a8252f00a321644d74373de5659997bdbea50d81666a0",
-                    "mixHash" : "0xd607ffc91271ba871bbbad33f01d916b8216af46bce8ba68ec7807cfcae918b9",
-                    "nonce" : "0xebb92622e8c4f6a6",
+                    "hash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5448ff2bf42028f9d23a8252f00a321644d74373de5659997bdbea50d81666a0",
+        "lastblockhash" : "0x43c76770b4355f96c60038c72f2e4f23e4a75413c06be10854dcc2e818547de4",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_3711_37111_25000_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g1v0Filler.json",
+            "sourceHash" : "149f59f01d70a0ace2c1cd93e9a89664e89ba19498afad1bc957f64aaba7fad8"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x015f90",
+                    "hash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
+                    "stateRoot" : "0xd8dbb1a71aa8aa16e796e2476fc183adfe3f542325a2b65139eb8033a5de3e3b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9b550325f1ed5a41ec7742f224f009c05adb714b8e89af8796cd029d4e0d0c69",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x6dd685e4783302373aaa38753e16c3ee9fecf359f4c7af1c1ce5aca1093a6f4f",
+                        "s" : "0x58ae4fd09eeb369e772b3b5f3a905a719d3c7a657ec587b15228ac2c8467f7d5",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8f533d12f93e5b1497025b4a57d4876d88884278c3e160c40b986559b105b672",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecb628a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7609d76",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g2v0.json
index 95409f63b..ec90dfa8a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_9_3711_37111_25000_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g2v0Filler.json",
-            "sourceHash" : "bc48a85267920d854fa5bf3384ce00249b7f742b3a60e650e4761995490a3d00"
+            "sourceHash" : "59f62550667395a9641956d9e99e6831ef963da0fc77a66164abe33cd372bbdf"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0x29f2553fa6efd2270b8c8a4f02445e3271522c0dc8e7afaa52066ad5a44aae09",
-                    "mixHash" : "0x330ec9433910ff9e49ebbe371fd2ba20b74d2638244c55a014ec89f4e6f9deb5",
-                    "nonce" : "0x805524f3ae775a4c",
+                    "hash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x29f2553fa6efd2270b8c8a4f02445e3271522c0dc8e7afaa52066ad5a44aae09",
+        "lastblockhash" : "0x71034d9b4e581f40f271fce6da2a8083345eb825785edf67ed347aa326d3c05d",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_3711_37111_25000_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g2v0Filler.json",
+            "sourceHash" : "59f62550667395a9641956d9e99e6831ef963da0fc77a66164abe33cd372bbdf"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x01adb0",
+                    "hash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
+                    "stateRoot" : "0x64403e90ce9e76837627f49a7bcf983c67b74c9c0d134495802bf86a7e12e4e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x18affa0a0509422e699662d66a334e6ca8411f20c8c4eb149a3cb5fa637418ad",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0x647dd7d94872cea21579ebd055a3f92206617ab52baac6bc3d9dbd6a46bfe4be",
+                        "s" : "0x2ac8d4e15f02fa0f951e3c8903ecb0d0bf50aae4abcede9a45d8b703d300211c",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fbf901f6a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a055ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273ba056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808405f5e100808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xf3cf86f47fe2e5d4700321ce81a8a74aca910501d8c5dd0ad3fcece08050f1b2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecbb0aa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a7604f56",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g3v0.json
index e75448bb2..3c6d848a4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_9_3711_37111_25000_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g3v0Filler.json",
-            "sourceHash" : "4d9cc951b6ce106397a1918b8d22b2d5f5db0f380ba0bbf4f13acbfeb0d8a3d0"
+            "sourceHash" : "ec5546982f6ab2e81a5aa9baa081f946b5780bab46e1968d83577d4200763083"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x05f5e100",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x9419f1aaf10e4ae39bbd1c24a0d7fccfa2d35c9b0b36ceefe05cf2bad99d1cc6",
-                    "mixHash" : "0xc6fc273699b287af2b554286782d3ab72d6261082611e990e87e5c672fe1cab6",
-                    "nonce" : "0x180b4e629f2433ed",
+                    "hash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90429f901f9a0d383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadeca01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347943535353535353535353535353535353535353535a029c92115e67eec179ba0279b9e30f701c874df4651f8175038774f782cfa75d6a0e4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0daa0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018405f5e10083030d408203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90229f90226010183030d4094c305c901078781c232a2a521c2af7980f8385ee980b901c430c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97000000000000000000000000000000000000000000000000000000000000001ca0cf0bf07c06e34b4bd3d3ae7272567f467dfb13b4b5ca6a3b59ca8f8eefcf5552a06bad042b7c089dddf86904e30159c0da2c550db275175f6f5b3cad787f3f779ec0",
                 "transactions" : [
                     {
                         "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9419f1aaf10e4ae39bbd1c24a0d7fccfa2d35c9b0b36ceefe05cf2bad99d1cc6",
+        "lastblockhash" : "0x3546996f431cd821be1427dcf80e1f0321d885dc897b0a184ffdbdc07ef89527",
         "network" : "Byzantium",
         "postState" : {
             "0x0000000000000000000000000000000000000001" : {
@@ -223,6 +223,234 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_9_3711_37111_25000_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_9_3711_37111_25000_d0g3v0Filler.json",
+            "sourceHash" : "ec5546982f6ab2e81a5aa9baa081f946b5780bab46e1968d83577d4200763083"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x3535353535353535353535353535353535353535",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x05f5e100",
+                    "gasUsed" : "0x030d40",
+                    "hash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+                    "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
+                    "stateRoot" : "0xaa47b2093cc2cc9ff45270b3cee65556b54df82d29eb1c8fc9db8553a53e4af8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe4874a719d6d52a0963a196963986a92d4c07a9d03fcb233e5753aa068cfd0da",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x30c8d1da0000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000016100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000008009ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff97ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff9700000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x01",
+                        "r" : "0xcf0bf07c06e34b4bd3d3ae7272567f467dfb13b4b5ca6a3b59ca8f8eefcf5552",
+                        "s" : "0x6bad042b7c089dddf86904e30159c0da2c550db275175f6f5b3cad787f3f779e",
+                        "to" : "0xc305c901078781c232a2a521c2af7980f8385ee9",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x3535353535353535353535353535353535353535",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x05f5e100",
+            "gasUsed" : "0x00",
+            "hash" : "0xd383ab4748604fc50dc407fce85351f90b7a0ea816a0be0e4cb6713308fcadec",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x55ca96809662e70d5a0514e501e9d27f6608de3be5a5c3cd567bb4f99141273b",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0fa8ab4c5c4c42dcc0ef6ea190757af99c3bcda671e1b83c0b9409fffc387c55",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x1bc16d674ecd103a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a75eefc6",
+                "code" : "",
+                "nonce" : "0x02",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x0000000000000000000000000000000000000001" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000002" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000003" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000004" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000005" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000006" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000007" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x0000000000000000000000000000000000000008" : {
+                "balance" : "0x01",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x3535353535353535353535353535353535353535" : {
+                "balance" : "0x0202fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x82a978b3f5962a5b0957d9ee9eef472ee55b42f1" : {
+                "balance" : "0x0de0b6b3a761fd06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            },
+            "0xc305c901078781c232a2a521c2af7980f8385ee9" : {
+                "balance" : "0x00",
+                "code" : "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",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g0v0.json
index 5c7b7e628..6f9264731 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g0v0Filler.json",
-            "sourceHash" : "2a71d6a197956287bf1107215e01a412c3960abd5f657eff5d96f5a8873d0176"
+            "sourceHash" : "c9be90c32e53b2f02f36612f62ef8124ad400dd4591a95cf9dc6418cc6cc10b7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x013829",
-                    "hash" : "0xcdc3a814aac784e26d7b5b5c7689ff0bd29e341f83df1029248551877dea9f4f",
-                    "mixHash" : "0x6dde3fb8dae4f04e413e72965f3ad17ba7dbeec7b1391c1c914c4b56255b3d3f",
-                    "nonce" : "0x41552aa8c5ed8183",
+                    "hash" : "0x38caab836d8cf52c9f670c4851e616f77be59f7cfdea92a6d06d68d6a7c45239",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x45b5ba62e06362048463672043f33e897feb17da9e883f69ab3b4dc0397566c2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc6801fb87855d56a9f042db07d08e830c2dbe36f316d83412e875cf7a7f64f01",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcdc3a814aac784e26d7b5b5c7689ff0bd29e341f83df1029248551877dea9f4f",
+        "lastblockhash" : "0x38caab836d8cf52c9f670c4851e616f77be59f7cfdea92a6d06d68d6a7c45239",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g0v0Filler.json",
+            "sourceHash" : "c9be90c32e53b2f02f36612f62ef8124ad400dd4591a95cf9dc6418cc6cc10b7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x013829",
+                    "hash" : "0x69b7a3f62b0250b97c861c73bdfd2a9369528aa7753e954cf44fd0aaf23e184d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x45b5ba62e06362048463672043f33e897feb17da9e883f69ab3b4dc0397566c2",
+                    "stateRoot" : "0xfd294a71aff579b4d21db232891a392c298cbecad7cb6a0ae3ea6ec43a52534c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc6801fb87855d56a9f042db07d08e830c2dbe36f316d83412e875cf7a7f64f01",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x24f0a7f9932e57fc8066505ca7cc1eb062ab31373c2b5aacb23236c40e67f78a",
+                        "s" : "0x6ad44feaf558663376e90b3d8b2f477210baa72a43c20f9f09dbe784809c3f89",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x69b7a3f62b0250b97c861c73bdfd2a9369528aa7753e954cf44fd0aaf23e184d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec93829",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ec7d7",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d0g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g0v0Filler.json",
-            "sourceHash" : "2a71d6a197956287bf1107215e01a412c3960abd5f657eff5d96f5a8873d0176"
+            "sourceHash" : "c9be90c32e53b2f02f36612f62ef8124ad400dd4591a95cf9dc6418cc6cc10b7"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca91",
-                    "hash" : "0x40dfc3d1ff5e095b05077c24f0fd7882c43d58ff90b2979dc71cd1f3e0e3fda5",
-                    "mixHash" : "0x6146152f397ac1220e18162b86cad5d87673f98b23ee7c1d6e4598fb16fd0325",
-                    "nonce" : "0x6bd8ed88bcf9c3ff",
+                    "hash" : "0x932164a3f8de0da821b57224d1d02d9b09c5bd70aa916847146e810b1615d1ef",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0c",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xc6801fb87855d56a9f042db07d08e830c2dbe36f316d83412e875cf7a7f64f01",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x40dfc3d1ff5e095b05077c24f0fd7882c43d58ff90b2979dc71cd1f3e0e3fda5",
+        "lastblockhash" : "0x932164a3f8de0da821b57224d1d02d9b09c5bd70aa916847146e810b1615d1ef",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d0g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g0v0Filler.json",
-            "sourceHash" : "2a71d6a197956287bf1107215e01a412c3960abd5f657eff5d96f5a8873d0176"
+            "sourceHash" : "c9be90c32e53b2f02f36612f62ef8124ad400dd4591a95cf9dc6418cc6cc10b7"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca91",
-                    "hash" : "0xa48a1cf6f3ee425b5700cfa9c1fd851a7251f4efd3faad5adc19876a2cbd9242",
-                    "mixHash" : "0x914ea42506466d728c10bdae93686766b1182498dd3bd330ecfb6fda964f1a57",
-                    "nonce" : "0x0310cd416cdd703c",
+                    "hash" : "0x932164a3f8de0da821b57224d1d02d9b09c5bd70aa916847146e810b1615d1ef",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0c",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xc6801fb87855d56a9f042db07d08e830c2dbe36f316d83412e875cf7a7f64f01",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa48a1cf6f3ee425b5700cfa9c1fd851a7251f4efd3faad5adc19876a2cbd9242",
+        "lastblockhash" : "0x932164a3f8de0da821b57224d1d02d9b09c5bd70aa916847146e810b1615d1ef",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g1v0.json
index e4b190c4c..bfbda0c56 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d0g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g1v0Filler.json",
-            "sourceHash" : "8991aadb474dee6d5e9ee1e6b52b7ad3877ee021c4c10c8075781f44df4eb939"
+            "sourceHash" : "042090a21db241d0b0860f07f8332ef89551962a859666cb295a8ccdf4b164b7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x013829",
-                    "hash" : "0xa04e1e2e2f1c0e3d078bffcd3f97cb0a18636af0d3643d3ac5da07bded3e0682",
-                    "mixHash" : "0x78862d491594a4621faaeb958a4f977e9e8da9eea6e81897ba8de00d7c053faa",
-                    "nonce" : "0x063001b8d8327f38",
+                    "hash" : "0xac93b6cd1e22c8b10cb82fe42217ad5a8cb381731435095bd8c7e79d2b249176",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x45b5ba62e06362048463672043f33e897feb17da9e883f69ab3b4dc0397566c2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x866b2015261709024e453293251adcd060bf2e3ea416ed51cf9abae0f9bdb482",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa04e1e2e2f1c0e3d078bffcd3f97cb0a18636af0d3643d3ac5da07bded3e0682",
+        "lastblockhash" : "0xac93b6cd1e22c8b10cb82fe42217ad5a8cb381731435095bd8c7e79d2b249176",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d0g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g1v0Filler.json",
+            "sourceHash" : "042090a21db241d0b0860f07f8332ef89551962a859666cb295a8ccdf4b164b7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x013829",
+                    "hash" : "0xf19cfc387f359e3219dd196e76294e15cb3d65012e2f058dd24d71c31a250701",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x45b5ba62e06362048463672043f33e897feb17da9e883f69ab3b4dc0397566c2",
+                    "stateRoot" : "0xfd294a71aff579b4d21db232891a392c298cbecad7cb6a0ae3ea6ec43a52534c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x866b2015261709024e453293251adcd060bf2e3ea416ed51cf9abae0f9bdb482",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc1217e9f372b0a4b677d8564c437f9ab999f5d2a7ac3e9be689825298a1aa184",
+                        "s" : "0x4d77d260460f9f5713ee5c597ed5ba9b60fe4a0becf6726f4cd4e2e138674978",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf19cfc387f359e3219dd196e76294e15cb3d65012e2f058dd24d71c31a250701",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec93829",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ec7d7",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d0g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g1v0Filler.json",
-            "sourceHash" : "8991aadb474dee6d5e9ee1e6b52b7ad3877ee021c4c10c8075781f44df4eb939"
+            "sourceHash" : "042090a21db241d0b0860f07f8332ef89551962a859666cb295a8ccdf4b164b7"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca91",
-                    "hash" : "0x5124724fa7e30eb185c2b2e73166787ded212d7b37a7972aed2f0a2541e3a651",
-                    "mixHash" : "0x9ae7640b1f6c08e5d8b6b27a0342e61e66b3fb46915c5b54e82fcd5e02500b2b",
-                    "nonce" : "0x3da66768ee5631f6",
+                    "hash" : "0x0a8da52a88d7e3b16d1c762f6c27410455b20bd8da8064e5223086bed81f5ce1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0c",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x866b2015261709024e453293251adcd060bf2e3ea416ed51cf9abae0f9bdb482",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5124724fa7e30eb185c2b2e73166787ded212d7b37a7972aed2f0a2541e3a651",
+        "lastblockhash" : "0x0a8da52a88d7e3b16d1c762f6c27410455b20bd8da8064e5223086bed81f5ce1",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d0g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g1v0Filler.json",
-            "sourceHash" : "8991aadb474dee6d5e9ee1e6b52b7ad3877ee021c4c10c8075781f44df4eb939"
+            "sourceHash" : "042090a21db241d0b0860f07f8332ef89551962a859666cb295a8ccdf4b164b7"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca91",
-                    "hash" : "0xaa59c4f49e7f4a36780cdde5c10cda30bbdc60fa2ccafbc3a963612397b0adb0",
-                    "mixHash" : "0xe51672b01b70d301254a374622bf7f8fd925795ecafa5ebbe386d7ba60f3ba25",
-                    "nonce" : "0xb275c20d9ab62c7b",
+                    "hash" : "0x0a8da52a88d7e3b16d1c762f6c27410455b20bd8da8064e5223086bed81f5ce1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0c",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x866b2015261709024e453293251adcd060bf2e3ea416ed51cf9abae0f9bdb482",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90305f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0e9593314e3f16a702772eaa3f21569c4b4fe7f31126fade32aa2bc6ddfd654c7a0866b2015261709024e453293251adcd060bf2e3ea416ed51cf9abae0f9bdb482a0c84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0cb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ca918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90105f90102800183015f9094100000000000000000000000000000000000000080b8a100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f1ba0c1217e9f372b0a4b677d8564c437f9ab999f5d2a7ac3e9be689825298a1aa184a04d77d260460f9f5713ee5c597ed5ba9b60fe4a0becf6726f4cd4e2e138674978c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xaa59c4f49e7f4a36780cdde5c10cda30bbdc60fa2ccafbc3a963612397b0adb0",
+        "lastblockhash" : "0x0a8da52a88d7e3b16d1c762f6c27410455b20bd8da8064e5223086bed81f5ce1",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g2v0.json
index 71adbf9f7..3dee856df 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d0g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g2v0Filler.json",
-            "sourceHash" : "03f4cf778bc38d2503f714fb7e328fc47d518bd386f4d44a521a45dd87a7cd9e"
+            "sourceHash" : "9dee94cac61b918cecb5c9a817e7c267aee1c034ddf0198ee3c8b26609f7ca3d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x013829",
-                    "hash" : "0xb8322ead6282e95e1ecfe0c61bba1adcae85bfa910b79d531f9784c06343e65c",
-                    "mixHash" : "0xcd5fb5efdaa61ba7f46dbec854e0de0a71d343b960c2e9bb9e62c6d0dfdc3902",
-                    "nonce" : "0x994460a9f60b5be8",
+                    "hash" : "0xb186ff2cac60a02613ad72e1f5c90fb53dd509dfaf362e3c5784b5082aa735b8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x45b5ba62e06362048463672043f33e897feb17da9e883f69ab3b4dc0397566c2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd385062cf2d10f59eed61231761b6df98304ff5ad18bc7ec4bf4433f8da49716",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb8322ead6282e95e1ecfe0c61bba1adcae85bfa910b79d531f9784c06343e65c",
+        "lastblockhash" : "0xb186ff2cac60a02613ad72e1f5c90fb53dd509dfaf362e3c5784b5082aa735b8",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d0g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g2v0Filler.json",
+            "sourceHash" : "9dee94cac61b918cecb5c9a817e7c267aee1c034ddf0198ee3c8b26609f7ca3d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x013829",
+                    "hash" : "0xc71e09c76a4c122fa20784d6bf086fb699e35b2ca281702c9c7879a1e453c4f3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x45b5ba62e06362048463672043f33e897feb17da9e883f69ab3b4dc0397566c2",
+                    "stateRoot" : "0xfd294a71aff579b4d21db232891a392c298cbecad7cb6a0ae3ea6ec43a52534c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd385062cf2d10f59eed61231761b6df98304ff5ad18bc7ec4bf4433f8da49716",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x12d0c8de8b605ce53daa4444fc4db1d3246345d9048fa09fa147aa40fc2dc135",
+                        "s" : "0x713199bc28be6ace921404f3e80b2dc40b7c7ef6d10e0996aec27466e719c529",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc71e09c76a4c122fa20784d6bf086fb699e35b2ca281702c9c7879a1e453c4f3",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec93829",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ec7d7",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d0g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g2v0Filler.json",
-            "sourceHash" : "03f4cf778bc38d2503f714fb7e328fc47d518bd386f4d44a521a45dd87a7cd9e"
+            "sourceHash" : "9dee94cac61b918cecb5c9a817e7c267aee1c034ddf0198ee3c8b26609f7ca3d"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca91",
-                    "hash" : "0x03715359393bf18cb44029f4378338ff64c992f1da8d7d05eaab1bc9f26e7219",
-                    "mixHash" : "0x0d2e450164726962671c269861a8acb87fbd9e0b9c76e44f1e7f328d5736f1ab",
-                    "nonce" : "0xda0668dbff9aca38",
+                    "hash" : "0xf65137e2309aaeb82234a95c35aa7e907b59ad747e6ffe10af78906d656d0c3e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0c",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xd385062cf2d10f59eed61231761b6df98304ff5ad18bc7ec4bf4433f8da49716",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x03715359393bf18cb44029f4378338ff64c992f1da8d7d05eaab1bc9f26e7219",
+        "lastblockhash" : "0xf65137e2309aaeb82234a95c35aa7e907b59ad747e6ffe10af78906d656d0c3e",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d0g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g2v0Filler.json",
-            "sourceHash" : "03f4cf778bc38d2503f714fb7e328fc47d518bd386f4d44a521a45dd87a7cd9e"
+            "sourceHash" : "9dee94cac61b918cecb5c9a817e7c267aee1c034ddf0198ee3c8b26609f7ca3d"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca91",
-                    "hash" : "0x058a6ab498eff838fa1011eaf1431feccab7501ab96121991c0d880b901e6c4e",
-                    "mixHash" : "0xde919f9ddf091747addd87cd011e0898f0181e3425006dd7cb94d97c1f20863b",
-                    "nonce" : "0xf71532ab3631ac1c",
+                    "hash" : "0xf65137e2309aaeb82234a95c35aa7e907b59ad747e6ffe10af78906d656d0c3e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0c",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xd385062cf2d10f59eed61231761b6df98304ff5ad18bc7ec4bf4433f8da49716",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x058a6ab498eff838fa1011eaf1431feccab7501ab96121991c0d880b901e6c4e",
+        "lastblockhash" : "0xf65137e2309aaeb82234a95c35aa7e907b59ad747e6ffe10af78906d656d0c3e",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g3v0.json
index 210d9f6a7..bf56875fe 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d0g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d0g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g3v0Filler.json",
-            "sourceHash" : "97fcc2971393f4ab8892d2c7a1e7d565b656f90ecbcce4075bc93c15ad3efff8"
+            "sourceHash" : "81a1a217d5523acd0af8e38dd642528d422ab181a9f81c93cbeb4df8edc827aa"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x013829",
-                    "hash" : "0x19c5522f9c14cea62613e10dd6baa6900c1ed789a301ad877a1cef5173c488ca",
-                    "mixHash" : "0xf375bed18c1a87c590bede4760e3db2cd962ad4e9301406d40990058bf2a8a0c",
-                    "nonce" : "0x9804701b2705b8d0",
+                    "hash" : "0x96288d22f81a3f87215862feda71c8936b57e0488b6b0e2fe2be248b99ca7635",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x45b5ba62e06362048463672043f33e897feb17da9e883f69ab3b4dc0397566c2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x94451536dd3ad20772dc672965cc2541bf717f88a15741269dfe039a5cbe5706",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x19c5522f9c14cea62613e10dd6baa6900c1ed789a301ad877a1cef5173c488ca",
+        "lastblockhash" : "0x96288d22f81a3f87215862feda71c8936b57e0488b6b0e2fe2be248b99ca7635",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d0g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g3v0Filler.json",
+            "sourceHash" : "81a1a217d5523acd0af8e38dd642528d422ab181a9f81c93cbeb4df8edc827aa"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x013829",
+                    "hash" : "0xfbd47a026b64d634ee34544665c421cb21f10f8c43124490ffc741d03487cfea",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x45b5ba62e06362048463672043f33e897feb17da9e883f69ab3b4dc0397566c2",
+                    "stateRoot" : "0xfd294a71aff579b4d21db232891a392c298cbecad7cb6a0ae3ea6ec43a52534c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x94451536dd3ad20772dc672965cc2541bf717f88a15741269dfe039a5cbe5706",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x8edbeaa6317122e612a679f279a4a3c8460383f4ea824038e5a4975ca635699a",
+                        "s" : "0x0e3fdc29c8db2f8ab2a0581e6706e3fae58a6f52e96ede4e14ec518c84b68e34",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfbd47a026b64d634ee34544665c421cb21f10f8c43124490ffc741d03487cfea",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec93829",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ec7d7",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d0g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g3v0Filler.json",
-            "sourceHash" : "97fcc2971393f4ab8892d2c7a1e7d565b656f90ecbcce4075bc93c15ad3efff8"
+            "sourceHash" : "81a1a217d5523acd0af8e38dd642528d422ab181a9f81c93cbeb4df8edc827aa"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca91",
-                    "hash" : "0x8476ab32dbba3349757521208c6c296ce7754c359e7500fd71edce05387420c4",
-                    "mixHash" : "0x4f3a3febcc041d051b476571009587c511a0de68b00827dc7e0330290c422ed7",
-                    "nonce" : "0x052557fee3c3315b",
+                    "hash" : "0x6effa5c70a78716a55c8a266a63cdf871ac9c6bb4c1c463362024f1d238dc6be",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0c",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x94451536dd3ad20772dc672965cc2541bf717f88a15741269dfe039a5cbe5706",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8476ab32dbba3349757521208c6c296ce7754c359e7500fd71edce05387420c4",
+        "lastblockhash" : "0x6effa5c70a78716a55c8a266a63cdf871ac9c6bb4c1c463362024f1d238dc6be",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d0g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d0g3v0Filler.json",
-            "sourceHash" : "97fcc2971393f4ab8892d2c7a1e7d565b656f90ecbcce4075bc93c15ad3efff8"
+            "sourceHash" : "81a1a217d5523acd0af8e38dd642528d422ab181a9f81c93cbeb4df8edc827aa"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca91",
-                    "hash" : "0xa104ecfec81e181c8f57d82a34ec24ba31d303ba7412cea786a5cd8dfdcfd56d",
-                    "mixHash" : "0x0ebf1c66109f080d5b5b4218f96a93f3d5501cf1e494bc5a6be960cd9df8653a",
-                    "nonce" : "0x20af8cb1d26a7c96",
+                    "hash" : "0x6effa5c70a78716a55c8a266a63cdf871ac9c6bb4c1c463362024f1d238dc6be",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0c",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x94451536dd3ad20772dc672965cc2541bf717f88a15741269dfe039a5cbe5706",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90305f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0e9593314e3f16a702772eaa3f21569c4b4fe7f31126fade32aa2bc6ddfd654c7a094451536dd3ad20772dc672965cc2541bf717f88a15741269dfe039a5cbe5706a0c84b322ae5f52c2e923ed8d8c79fbdcb8bbe884cef21d0adc7f91a0ac04b8b0cb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ca918203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90105f90102800183030d4094100000000000000000000000000000000000000080b8a100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f1ca08edbeaa6317122e612a679f279a4a3c8460383f4ea824038e5a4975ca635699aa00e3fdc29c8db2f8ab2a0581e6706e3fae58a6f52e96ede4e14ec518c84b68e34c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002003fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa104ecfec81e181c8f57d82a34ec24ba31d303ba7412cea786a5cd8dfdcfd56d",
+        "lastblockhash" : "0x6effa5c70a78716a55c8a266a63cdf871ac9c6bb4c1c463362024f1d238dc6be",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g0v0.json
index f4d4de90b..61dd07fdf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d10g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g0v0Filler.json",
-            "sourceHash" : "5b76be1bec3888a2a608ab1fcd27e0ad0a64158448b7919bd8b340e0acf61ba6"
+            "sourceHash" : "ef9d9d0b62461a149d955687c3450111c8e0106b18dcae9958765842607d43df"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xe015961986a306e5e32b92cfa358eb5fcf6fd8685b4e8189fcc1a5ad6d7ac1f3",
-                    "mixHash" : "0x038ab89c64f246142809fd1c16b8941225480176dec7c49d08f7e96eaaae22b4",
-                    "nonce" : "0xdcacef959b6056b4",
+                    "hash" : "0x52f3be4d9bf9b8025402c9676872cd04beb303d54b9e94cc006939e082d5fc65",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6e7e288abfe778d526a1a161106e4c8cfb3c33b178c231e69e9fc3dbb439a52e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe015961986a306e5e32b92cfa358eb5fcf6fd8685b4e8189fcc1a5ad6d7ac1f3",
+        "lastblockhash" : "0x52f3be4d9bf9b8025402c9676872cd04beb303d54b9e94cc006939e082d5fc65",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d10g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g0v0Filler.json",
+            "sourceHash" : "ef9d9d0b62461a149d955687c3450111c8e0106b18dcae9958765842607d43df"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0xd2c2dbe813e4a107c601e231939e77af7aef7167f03a50a65daf38c48127b880",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6e7e288abfe778d526a1a161106e4c8cfb3c33b178c231e69e9fc3dbb439a52e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x91cfbf9bc159d4d216cfd2f7977c4d5c75fba456dfb3dcefde4fcdbc5b6b2d17",
+                        "s" : "0x61a777c5aecd6a21186ffab9da37686674d6035f324cd542633366d873fd0b58",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd2c2dbe813e4a107c601e231939e77af7aef7167f03a50a65daf38c48127b880",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d10g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g0v0Filler.json",
-            "sourceHash" : "5b76be1bec3888a2a608ab1fcd27e0ad0a64158448b7919bd8b340e0acf61ba6"
+            "sourceHash" : "ef9d9d0b62461a149d955687c3450111c8e0106b18dcae9958765842607d43df"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x18e6db601da9db4ee818faa93d63990eac184ea9e3752b467519f642210888c0",
-                    "mixHash" : "0x66f2e2c111c1e53f4c021b6296f90adc0941bf24ba2ac27e18b0112a7970aee8",
-                    "nonce" : "0x27e28b260c9f8a28",
+                    "hash" : "0x29c745684f025853e7a09493e33325b1fa2a65551f14c90d9590be7276426d3c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x6e7e288abfe778d526a1a161106e4c8cfb3c33b178c231e69e9fc3dbb439a52e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa02c32e61701383faa3e439268fbd2a4aacdd140fe280a6d35f252e63a851b05b6a06e7e288abfe778d526a1a161106e4c8cfb3c33b178c231e69e9fc3dbb439a52ea0911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83dfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d38203e880a066f2e2c111c1e53f4c021b6296f90adc0941bf24ba2ac27e18b0112a7970aee88827e28b260c9f8a28f8c7f8c580018405f5e10094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010003041ba091cfbf9bc159d4d216cfd2f7977c4d5c75fba456dfb3dcefde4fcdbc5b6b2d17a061a777c5aecd6a21186ffab9da37686674d6035f324cd542633366d873fd0b58c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x18e6db601da9db4ee818faa93d63990eac184ea9e3752b467519f642210888c0",
+        "lastblockhash" : "0x29c745684f025853e7a09493e33325b1fa2a65551f14c90d9590be7276426d3c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d10g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g0v0Filler.json",
-            "sourceHash" : "5b76be1bec3888a2a608ab1fcd27e0ad0a64158448b7919bd8b340e0acf61ba6"
+            "sourceHash" : "ef9d9d0b62461a149d955687c3450111c8e0106b18dcae9958765842607d43df"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xc617ea5a90f7d60392788f80418e942558dcd3e740efb63a12c7ac1e4ce0aad7",
-                    "mixHash" : "0x5ee1de20792b663a9b8360a4619f54d90825aa77b9cedc64edcbb6ee5b9d87fa",
-                    "nonce" : "0x1dfea6a365dff6ee",
+                    "hash" : "0x29c745684f025853e7a09493e33325b1fa2a65551f14c90d9590be7276426d3c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x6e7e288abfe778d526a1a161106e4c8cfb3c33b178c231e69e9fc3dbb439a52e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc617ea5a90f7d60392788f80418e942558dcd3e740efb63a12c7ac1e4ce0aad7",
+        "lastblockhash" : "0x29c745684f025853e7a09493e33325b1fa2a65551f14c90d9590be7276426d3c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g1v0.json
index 2140c4f5b..3f6217539 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d10g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g1v0Filler.json",
-            "sourceHash" : "8396e3c38630d23d0f91275386f861c437761d8c5b3296446939f16d1436fec9"
+            "sourceHash" : "6561403d590e499c415bc03d3bd9b7fe16dd2f19320b19c479a26d972e68a3d8"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x7461eb17c88af281e63f541cd412e5a18bc4e97046f5a0b07a88d2f7fe7446d2",
-                    "mixHash" : "0xf042de1610ed7e7f73a36069d6398513243848085f71870ee26f7f9711ce26aa",
-                    "nonce" : "0x3b142068177627fe",
+                    "hash" : "0x4a3bf43949479449dec0459640a654f9435a2a54da9632fe3dc1b890e4ddd333",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x2a06db5c511e02891d1bab7022bf78e3a54122aa3be57464460bd0d18652d8b6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x7461eb17c88af281e63f541cd412e5a18bc4e97046f5a0b07a88d2f7fe7446d2",
+        "lastblockhash" : "0x4a3bf43949479449dec0459640a654f9435a2a54da9632fe3dc1b890e4ddd333",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d10g1v0_Constantinople" : {
+        "_info" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g1v0Filler.json",
+            "sourceHash" : "6561403d590e499c415bc03d3bd9b7fe16dd2f19320b19c479a26d972e68a3d8"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x041b0d7c36a11ec6c4e5a5021e9d54bfe84c76a40003e273f7935198100c08ef",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
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+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                    {
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+                        "gasPrice" : "0x01",
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+                        "s" : "0x0e4d0f0f193dcdd41ce5b26f6ac3a5631735cfb81e8b4e614e01d006f69ef623",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
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+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x041b0d7c36a11ec6c4e5a5021e9d54bfe84c76a40003e273f7935198100c08ef",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d10g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g1v0Filler.json",
-            "sourceHash" : "8396e3c38630d23d0f91275386f861c437761d8c5b3296446939f16d1436fec9"
+            "sourceHash" : "6561403d590e499c415bc03d3bd9b7fe16dd2f19320b19c479a26d972e68a3d8"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x75980fba67bc5f1829ebf73f5c191f884aa52d77f079d096f8273226d9bdac64",
-                    "mixHash" : "0x5bbcd748feffe085a108bf8023960cf44ef2d440536abd69202218b2774435df",
-                    "nonce" : "0xb7badc7f94a33ef6",
+                    "hash" : "0xa730f1889e8f48e4dc6e2edb9f727c012fb2008682b660f696cc73edf5f96160",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x2a06db5c511e02891d1bab7022bf78e3a54122aa3be57464460bd0d18652d8b6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
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                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x75980fba67bc5f1829ebf73f5c191f884aa52d77f079d096f8273226d9bdac64",
+        "lastblockhash" : "0xa730f1889e8f48e4dc6e2edb9f727c012fb2008682b660f696cc73edf5f96160",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d10g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g1v0Filler.json",
-            "sourceHash" : "8396e3c38630d23d0f91275386f861c437761d8c5b3296446939f16d1436fec9"
+            "sourceHash" : "6561403d590e499c415bc03d3bd9b7fe16dd2f19320b19c479a26d972e68a3d8"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x492a164a5d4518706f29aca70456919c9bf1e1d34528b4243d9a45963e745fc7",
-                    "mixHash" : "0xee8c25db0f6024599007b1375a1cc3cc5a0a3caad771c807932cfedc34a018f5",
-                    "nonce" : "0x7d6254c61abf6776",
+                    "hash" : "0xa730f1889e8f48e4dc6e2edb9f727c012fb2008682b660f696cc73edf5f96160",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x492a164a5d4518706f29aca70456919c9bf1e1d34528b4243d9a45963e745fc7",
+        "lastblockhash" : "0xa730f1889e8f48e4dc6e2edb9f727c012fb2008682b660f696cc73edf5f96160",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g2v0.json
index eab28792a..471d75e35 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d10g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g2v0Filler.json",
-            "sourceHash" : "7ece978f164a3babf9889b9d18c4599ef567acb25be6183a8dcdfa769131e509"
+            "sourceHash" : "9f9fcea3e1d919b605ef1eccebc3e1ab0e26312c0d5b3fd5970a6d94e635c528"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x69876c576bf217d5d4fc0c21b01acedc93738afcc0aa0abc2e2e41c94310897a",
-                    "mixHash" : "0x1c637044b392dfb14aa713a6e4c8ebcdd50da32bc96f3b66b2002a5625e017f6",
-                    "nonce" : "0x961c204fbe1256df",
+                    "hash" : "0xfd542f5ba8098718d1694453878800b268815b2a7816a64c5881a387b4a73121",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x18df00ff28b2fd627ce7645654702b69a495962d06ed946a0811f2407869a37b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x69876c576bf217d5d4fc0c21b01acedc93738afcc0aa0abc2e2e41c94310897a",
+        "lastblockhash" : "0xfd542f5ba8098718d1694453878800b268815b2a7816a64c5881a387b4a73121",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d10g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g2v0Filler.json",
+            "sourceHash" : "9f9fcea3e1d919b605ef1eccebc3e1ab0e26312c0d5b3fd5970a6d94e635c528"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x094ab2fbb2da7936293f0efae5ee52868cf754eaa0f60f8d199cdc570f184509",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x18df00ff28b2fd627ce7645654702b69a495962d06ed946a0811f2407869a37b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x825649f788c912f64dbd2992fc3a93d1f5aa03baa2804f1b708f77dec5e77439",
+                        "s" : "0x7dde0a60db1cff1fe3e694b9354c9fad1c32066b5e8ec18945777186e960a793",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x094ab2fbb2da7936293f0efae5ee52868cf754eaa0f60f8d199cdc570f184509",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d10g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g2v0Filler.json",
-            "sourceHash" : "7ece978f164a3babf9889b9d18c4599ef567acb25be6183a8dcdfa769131e509"
+            "sourceHash" : "9f9fcea3e1d919b605ef1eccebc3e1ab0e26312c0d5b3fd5970a6d94e635c528"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x24400e3862bb0331a61cae888b27c88f6ce0ddd4ae18eca65cfb14180e6243d6",
-                    "mixHash" : "0xf02d02957bf07674a5dc7e58fff519657359a8ec9a883e487ca0fe0507608a4c",
-                    "nonce" : "0xe7b58620f4d0bb23",
+                    "hash" : "0x9029b7999568e0250271cbb4fcca0b8096493662ddab6d31783e88b1bc48457d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x18df00ff28b2fd627ce7645654702b69a495962d06ed946a0811f2407869a37b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x24400e3862bb0331a61cae888b27c88f6ce0ddd4ae18eca65cfb14180e6243d6",
+        "lastblockhash" : "0x9029b7999568e0250271cbb4fcca0b8096493662ddab6d31783e88b1bc48457d",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d10g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g2v0Filler.json",
-            "sourceHash" : "7ece978f164a3babf9889b9d18c4599ef567acb25be6183a8dcdfa769131e509"
+            "sourceHash" : "9f9fcea3e1d919b605ef1eccebc3e1ab0e26312c0d5b3fd5970a6d94e635c528"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xe841a1a91d0d3e009e1561b328a0f17f732122b99cfda6ec8424c0ed24ad45dc",
-                    "mixHash" : "0x0188267e2f812558c7b5080ae45a2710a543c9cdf175f91eea18f1f911d42896",
-                    "nonce" : "0x3a018da15f0bd952",
+                    "hash" : "0x9029b7999568e0250271cbb4fcca0b8096493662ddab6d31783e88b1bc48457d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x18df00ff28b2fd627ce7645654702b69a495962d06ed946a0811f2407869a37b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe841a1a91d0d3e009e1561b328a0f17f732122b99cfda6ec8424c0ed24ad45dc",
+        "lastblockhash" : "0x9029b7999568e0250271cbb4fcca0b8096493662ddab6d31783e88b1bc48457d",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g3v0.json
index 76499459e..ae4a4c438 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d10g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d10g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g3v0Filler.json",
-            "sourceHash" : "f59ddbd2d5dd3e409f628fea441af8be94f51012bcf9dca90671a0504b5a965b"
+            "sourceHash" : "073abdf85caee94021b1ae9ebb7a4b3ebc4a32812c906c58faa66bc92e7b6ca2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xfabf6b2e83297c73de7dd80468ef65c678df818f256697a38e63d7eb7d877a01",
-                    "mixHash" : "0xf235db63c709df686f5a2162019402c9a34494d92e602c751c81f777f8e7a01f",
-                    "nonce" : "0x44fec54ca61b79aa",
+                    "hash" : "0x52dab30ce9067256aa95692cab991fb780dc98d2d2fb57d8900c4b083f5bc520",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa3da3e5499c6919046cf688155eb0d1cc4f15390c5243700ab1181b06d0ddc8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xfabf6b2e83297c73de7dd80468ef65c678df818f256697a38e63d7eb7d877a01",
+        "lastblockhash" : "0x52dab30ce9067256aa95692cab991fb780dc98d2d2fb57d8900c4b083f5bc520",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d10g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g3v0Filler.json",
+            "sourceHash" : "073abdf85caee94021b1ae9ebb7a4b3ebc4a32812c906c58faa66bc92e7b6ca2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x9a5c987f23373c5ca95e7308d82b1d11e80c2104026a05b6f449985cf98af7a3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa3da3e5499c6919046cf688155eb0d1cc4f15390c5243700ab1181b06d0ddc8f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xa099f0f5609295d5e1aa330c10641eb874ab64518cbdb7d9728f266635b1564f",
+                        "s" : "0x36cf34f2b8df8962a3fc6b63cb041337166cfec34188d57bbe39c04a5ae4d44d",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9a5c987f23373c5ca95e7308d82b1d11e80c2104026a05b6f449985cf98af7a3",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d10g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g3v0Filler.json",
-            "sourceHash" : "f59ddbd2d5dd3e409f628fea441af8be94f51012bcf9dca90671a0504b5a965b"
+            "sourceHash" : "073abdf85caee94021b1ae9ebb7a4b3ebc4a32812c906c58faa66bc92e7b6ca2"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xa2c1cd26aa4d03db27c169f02be9fc0137f4e2cfe2f7be6cd0ef2452e0524664",
-                    "mixHash" : "0x2da5ecbcbc106d020da07e47d11feb5fd659990e589535e5f1ed52ebc71ebc29",
-                    "nonce" : "0xc4453cb34be0fdf1",
+                    "hash" : "0x66fa41515b23fc94c04d045992b47affba9bb3add9ed5e07684545eab31ef5ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xa3da3e5499c6919046cf688155eb0d1cc4f15390c5243700ab1181b06d0ddc8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa2c1cd26aa4d03db27c169f02be9fc0137f4e2cfe2f7be6cd0ef2452e0524664",
+        "lastblockhash" : "0x66fa41515b23fc94c04d045992b47affba9bb3add9ed5e07684545eab31ef5ce",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d10g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d10g3v0Filler.json",
-            "sourceHash" : "f59ddbd2d5dd3e409f628fea441af8be94f51012bcf9dca90671a0504b5a965b"
+            "sourceHash" : "073abdf85caee94021b1ae9ebb7a4b3ebc4a32812c906c58faa66bc92e7b6ca2"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x3bfb16c745e0b87869422f1ad084eb3ea66fc8f085751517cb31178bbeaa20a6",
-                    "mixHash" : "0x4a5aab978eebfbb05b8b803be5510f9ce7043118e6958b0c00f4e135b0f43c07",
-                    "nonce" : "0xb6ea048798339df7",
+                    "hash" : "0x66fa41515b23fc94c04d045992b47affba9bb3add9ed5e07684545eab31ef5ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xa3da3e5499c6919046cf688155eb0d1cc4f15390c5243700ab1181b06d0ddc8f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000304",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3bfb16c745e0b87869422f1ad084eb3ea66fc8f085751517cb31178bbeaa20a6",
+        "lastblockhash" : "0x66fa41515b23fc94c04d045992b47affba9bb3add9ed5e07684545eab31ef5ce",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g0v0.json
index 349b142bf..a336d8fc2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d11g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g0v0Filler.json",
-            "sourceHash" : "34ed1a7ba34f3d802fb624789f023005ea166e3d39086a10b2ef30ddecbff111"
+            "sourceHash" : "96f73196f5fa245954da5bfd2b5d014f989c2601844b390fd03b59f713243a29"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf46b",
-                    "hash" : "0xabaa8ad8e1621e278260305af28785fcba154022a04686b064c0a28562bf0291",
-                    "mixHash" : "0x26077edf643bfcf9f5f30d13967009f087e7028a670bc90a8c455213d7cfa201",
-                    "nonce" : "0xfb7b75a67a0ed5cf",
+                    "hash" : "0x7d433314bdec5ce94266b2d77b66fc993693db7b0cd61687bf2a18578d56305e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x0d75c083cfb2370ab30f433b9b7e25428b56e328b18df4df560920f415e14a81",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x44c2473c78390afc6fe16be02ff3c83c2e7b1d2d0e823ed8a86baaeb5e239d84",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xabaa8ad8e1621e278260305af28785fcba154022a04686b064c0a28562bf0291",
+        "lastblockhash" : "0x7d433314bdec5ce94266b2d77b66fc993693db7b0cd61687bf2a18578d56305e",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d11g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g0v0Filler.json",
+            "sourceHash" : "96f73196f5fa245954da5bfd2b5d014f989c2601844b390fd03b59f713243a29"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf46b",
+                    "hash" : "0xc7b45c6cade475960ebd89605ba1db392869844ff717c0c48badae904a23905d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0d75c083cfb2370ab30f433b9b7e25428b56e328b18df4df560920f415e14a81",
+                    "stateRoot" : "0xbd006f64a2dac1877437f65de86b24b3ca3bf56958cb1b732a9e918062889fb4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x44c2473c78390afc6fe16be02ff3c83c2e7b1d2d0e823ed8a86baaeb5e239d84",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0bd006f64a2dac1877437f65de86b24b3ca3bf56958cb1b732a9e918062889fb4a044c2473c78390afc6fe16be02ff3c83c2e7b1d2d0e823ed8a86baaeb5e239d84a00d75c083cfb2370ab30f433b9b7e25428b56e328b18df4df560920f415e14a81b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082f46b8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c580018405f5e10094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010200041ba04a74ba274b454cd9a23ff05aba90bd0d826e20c2e4db0adf703f8e1fc7f43e23a0066b26e21991aa9bd24a1de4081746d27ffcfa6c4214af1b76db21c5cfaa38a1c0",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x4a74ba274b454cd9a23ff05aba90bd0d826e20c2e4db0adf703f8e1fc7f43e23",
+                        "s" : "0x066b26e21991aa9bd24a1de4081746d27ffcfa6c4214af1b76db21c5cfaa38a1",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc7b45c6cade475960ebd89605ba1db392869844ff717c0c48badae904a23905d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f46b",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b95",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d11g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g0v0Filler.json",
-            "sourceHash" : "34ed1a7ba34f3d802fb624789f023005ea166e3d39086a10b2ef30ddecbff111"
+            "sourceHash" : "96f73196f5fa245954da5bfd2b5d014f989c2601844b390fd03b59f713243a29"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x73d5d964ff74dd56753ffacefaf09766f3cc2f0dd5ac915f0c8e51c3a9910f23",
-                    "mixHash" : "0xe5d9017b3f91b4dced658339dd1d3b4f5802a5896469a42e3a9ff9f18dcfb39e",
-                    "nonce" : "0x6cc02be3b2ad14e0",
+                    "hash" : "0x10a93632cf9f40f1c7d5ac70d939e968c8ea2a75ec2ad531ecf16db0756996a7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x44c2473c78390afc6fe16be02ff3c83c2e7b1d2d0e823ed8a86baaeb5e239d84",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa02c32e61701383faa3e439268fbd2a4aacdd140fe280a6d35f252e63a851b05b6a044c2473c78390afc6fe16be02ff3c83c2e7b1d2d0e823ed8a86baaeb5e239d84a0911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83dfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d38203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c580018405f5e10094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010200041ba04a74ba274b454cd9a23ff05aba90bd0d826e20c2e4db0adf703f8e1fc7f43e23a0066b26e21991aa9bd24a1de4081746d27ffcfa6c4214af1b76db21c5cfaa38a1c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x73d5d964ff74dd56753ffacefaf09766f3cc2f0dd5ac915f0c8e51c3a9910f23",
+        "lastblockhash" : "0x10a93632cf9f40f1c7d5ac70d939e968c8ea2a75ec2ad531ecf16db0756996a7",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d11g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g0v0Filler.json",
-            "sourceHash" : "34ed1a7ba34f3d802fb624789f023005ea166e3d39086a10b2ef30ddecbff111"
+            "sourceHash" : "96f73196f5fa245954da5bfd2b5d014f989c2601844b390fd03b59f713243a29"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x9ed14319cd964f975a60a881db64e03d6638b58ed50b040a8563f3dfe1aef5aa",
-                    "mixHash" : "0x937c08030cf6b72d440cc8c02d9c77fabec99784dd2808a19a09b7d6bf8c45fc",
-                    "nonce" : "0x5910871a12a3ad09",
+                    "hash" : "0x10a93632cf9f40f1c7d5ac70d939e968c8ea2a75ec2ad531ecf16db0756996a7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x44c2473c78390afc6fe16be02ff3c83c2e7b1d2d0e823ed8a86baaeb5e239d84",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9ed14319cd964f975a60a881db64e03d6638b58ed50b040a8563f3dfe1aef5aa",
+        "lastblockhash" : "0x10a93632cf9f40f1c7d5ac70d939e968c8ea2a75ec2ad531ecf16db0756996a7",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g1v0.json
index 0289a4ed5..5ea33d510 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d11g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g1v0Filler.json",
-            "sourceHash" : "d11ee60c94a63c4ab085a6ea1a4801f11d7bc3b0fa6475619ec62826d2ebb1dc"
+            "sourceHash" : "ce1220ac94ceeaf845c48a88f777d0b05f673c080d157503ee5516d119b4ef4a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf46b",
-                    "hash" : "0x6f9a2fcfd7163773c477f012aac9fe8bd6f16d9d396ac387995ece44d0d0acca",
-                    "mixHash" : "0xb003b2e45a50aafe178c332b17b80f3fdbf7f7c5440d7c9320c65635b81bfbb8",
-                    "nonce" : "0xd48ecfec3affdc59",
+                    "hash" : "0x2cc1ec9094e56a984f0d5607a8b2e582a9ba60950f0ef10da06f7e020dd6ea43",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x0d75c083cfb2370ab30f433b9b7e25428b56e328b18df4df560920f415e14a81",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0cc438e472a0c275b2ae44ef58b15ae8db27d1b9131738d23bc0105b5badcc13",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6f9a2fcfd7163773c477f012aac9fe8bd6f16d9d396ac387995ece44d0d0acca",
+        "lastblockhash" : "0x2cc1ec9094e56a984f0d5607a8b2e582a9ba60950f0ef10da06f7e020dd6ea43",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d11g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g1v0Filler.json",
+            "sourceHash" : "ce1220ac94ceeaf845c48a88f777d0b05f673c080d157503ee5516d119b4ef4a"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf46b",
+                    "hash" : "0xab2577c101667446a0c12e91a74e93d73e2ba3aece4d26b319525ae0869a1e0a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                        "gasPrice" : "0x01",
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+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
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+                "uncleHeaders" : [
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+            }
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+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xab2577c101667446a0c12e91a74e93d73e2ba3aece4d26b319525ae0869a1e0a",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f46b",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b95",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d11g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g1v0Filler.json",
-            "sourceHash" : "d11ee60c94a63c4ab085a6ea1a4801f11d7bc3b0fa6475619ec62826d2ebb1dc"
+            "sourceHash" : "ce1220ac94ceeaf845c48a88f777d0b05f673c080d157503ee5516d119b4ef4a"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x511a04d8ffb435db40bb4346b51494db4d3a5fef7bcb17208bcf5dd70fd4d8c7",
-                    "mixHash" : "0x47a29d91b74d8969e90d964d065b711ec10d2af57500cd90d6754970cb1e5d6a",
-                    "nonce" : "0xaa25280676e5b1b6",
+                    "hash" : "0xb34683f82ee60a7e24405f3a24e9f765798c8637978d3221cdf0808143e7d5ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x0cc438e472a0c275b2ae44ef58b15ae8db27d1b9131738d23bc0105b5badcc13",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
                     {
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x511a04d8ffb435db40bb4346b51494db4d3a5fef7bcb17208bcf5dd70fd4d8c7",
+        "lastblockhash" : "0xb34683f82ee60a7e24405f3a24e9f765798c8637978d3221cdf0808143e7d5ce",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d11g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g1v0Filler.json",
-            "sourceHash" : "d11ee60c94a63c4ab085a6ea1a4801f11d7bc3b0fa6475619ec62826d2ebb1dc"
+            "sourceHash" : "ce1220ac94ceeaf845c48a88f777d0b05f673c080d157503ee5516d119b4ef4a"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x15fa1659f2c1b6a0eec286f3871352ee9bbb618985b7c561e0b6d99e5b8eac0d",
-                    "mixHash" : "0x3cd4698b2a49672a95d1a85b5564ae293235a98a45e0f5b5bcd208380982a5df",
-                    "nonce" : "0x7bfaa5b384ff0994",
+                    "hash" : "0xb34683f82ee60a7e24405f3a24e9f765798c8637978d3221cdf0808143e7d5ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x0cc438e472a0c275b2ae44ef58b15ae8db27d1b9131738d23bc0105b5badcc13",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x15fa1659f2c1b6a0eec286f3871352ee9bbb618985b7c561e0b6d99e5b8eac0d",
+        "lastblockhash" : "0xb34683f82ee60a7e24405f3a24e9f765798c8637978d3221cdf0808143e7d5ce",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g2v0.json
index b26486af8..fdec850a0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d11g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g2v0Filler.json",
-            "sourceHash" : "8741042f3f4f4a76f8baea68119933f5e2aa613d2fd09ae24ff09f87ab864c40"
+            "sourceHash" : "39871ad4a31c20d5046e780aa65204539d9ff3b1d59276934958fdbbfe191bbf"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf46b",
-                    "hash" : "0x257bec186aff3b6224248d94d6183bbde41c494fbe92097d781cc722723d93b2",
-                    "mixHash" : "0xa3c014c429ed05c6e5234bb84a909963b379a65b130200869f3b3b30d500cf93",
-                    "nonce" : "0x67797e1856225dfe",
+                    "hash" : "0x6a668f6de98d406dad63a88ccbacfe22e4747e65ea7e8c256eff8e058833f71f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x0d75c083cfb2370ab30f433b9b7e25428b56e328b18df4df560920f415e14a81",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7e24421f0516e674c8b0158aa5249c6b3f422554dd813d82ff0757a91fbd6604",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x257bec186aff3b6224248d94d6183bbde41c494fbe92097d781cc722723d93b2",
+        "lastblockhash" : "0x6a668f6de98d406dad63a88ccbacfe22e4747e65ea7e8c256eff8e058833f71f",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d11g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g2v0Filler.json",
+            "sourceHash" : "39871ad4a31c20d5046e780aa65204539d9ff3b1d59276934958fdbbfe191bbf"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf46b",
+                    "hash" : "0x3588d3116cf15f51ec10213c530d2be116248267b0e8c4be4e33ce701da990c7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0d75c083cfb2370ab30f433b9b7e25428b56e328b18df4df560920f415e14a81",
+                    "stateRoot" : "0xbd006f64a2dac1877437f65de86b24b3ca3bf56958cb1b732a9e918062889fb4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7e24421f0516e674c8b0158aa5249c6b3f422554dd813d82ff0757a91fbd6604",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xfa00e0ecea2c627b2fc75bf61cf6f016626137fb3ea2ab00b925a80d4e3ba6b5",
+                        "s" : "0x75e2643871b62fb80e225b3f4a862322533fb442d60608b2ee71a23de3ed02f2",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3588d3116cf15f51ec10213c530d2be116248267b0e8c4be4e33ce701da990c7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f46b",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b95",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d11g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g2v0Filler.json",
-            "sourceHash" : "8741042f3f4f4a76f8baea68119933f5e2aa613d2fd09ae24ff09f87ab864c40"
+            "sourceHash" : "39871ad4a31c20d5046e780aa65204539d9ff3b1d59276934958fdbbfe191bbf"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x9c8276f9b07b9e8c3957f65731763d5b3da35fdcf846f96e8f476bfee4290244",
-                    "mixHash" : "0xfe647c959b1fe6a6123532bed742fc93fc5481ea3bba1d4d8075eaff2540e8a8",
-                    "nonce" : "0x077d60e8f237ef57",
+                    "hash" : "0x85864c9ca930fb19c35486d41c42900a0df736949483042c17e8e04109eadfc5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x7e24421f0516e674c8b0158aa5249c6b3f422554dd813d82ff0757a91fbd6604",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9c8276f9b07b9e8c3957f65731763d5b3da35fdcf846f96e8f476bfee4290244",
+        "lastblockhash" : "0x85864c9ca930fb19c35486d41c42900a0df736949483042c17e8e04109eadfc5",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d11g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g2v0Filler.json",
-            "sourceHash" : "8741042f3f4f4a76f8baea68119933f5e2aa613d2fd09ae24ff09f87ab864c40"
+            "sourceHash" : "39871ad4a31c20d5046e780aa65204539d9ff3b1d59276934958fdbbfe191bbf"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x9a9a46cc55ce541af5051d15936cf8cbe1306d186dfd074a177a17a8e30a5f1e",
-                    "mixHash" : "0xdf8bf93917f6668603bfca2b80c1f439e04b921923e88489f7ba0a208a80ea32",
-                    "nonce" : "0xabbdde4e1e55abcd",
+                    "hash" : "0x85864c9ca930fb19c35486d41c42900a0df736949483042c17e8e04109eadfc5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x7e24421f0516e674c8b0158aa5249c6b3f422554dd813d82ff0757a91fbd6604",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa02c32e61701383faa3e439268fbd2a4aacdd140fe280a6d35f252e63a851b05b6a07e24421f0516e674c8b0158aa5249c6b3f422554dd813d82ff0757a91fbd6604a0911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83dfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d38203e880a0df8bf93917f6668603bfca2b80c1f439e04b921923e88489f7ba0a208a80ea3288abbdde4e1e55abcdf8c6f8c480018301adb094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010200041ba0fa00e0ecea2c627b2fc75bf61cf6f016626137fb3ea2ab00b925a80d4e3ba6b5a075e2643871b62fb80e225b3f4a862322533fb442d60608b2ee71a23de3ed02f2c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9a9a46cc55ce541af5051d15936cf8cbe1306d186dfd074a177a17a8e30a5f1e",
+        "lastblockhash" : "0x85864c9ca930fb19c35486d41c42900a0df736949483042c17e8e04109eadfc5",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g3v0.json
index 41b9f66ea..726bf2b0c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d11g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d11g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g3v0Filler.json",
-            "sourceHash" : "2fb0931cab8ad000eee2ebefd8f54b6fbb34ba3b44bfe1cc39e6b499161cbe67"
+            "sourceHash" : "1b421f184dd254a4d20dfe350438568ba2a557fc40ee057d44df74d58de39f8d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf46b",
-                    "hash" : "0xe9c3b88c6192e96a7ce6febe1997af57402ad748c64ebdd906b4baf297e7b267",
-                    "mixHash" : "0x9619007b71d9811f06ac6631f8b674fa7f476785d5641b8332212f59e8aaf2f5",
-                    "nonce" : "0x51b097ccefc08670",
+                    "hash" : "0x00e3aa010cacd10caec0b34e00503e6cc101221670240ff65b1dade8341e05db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x0d75c083cfb2370ab30f433b9b7e25428b56e328b18df4df560920f415e14a81",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xb84df68285cb91a8f2fc4ad4923250ed7554c34766177d4550078bd480bafd4c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe9c3b88c6192e96a7ce6febe1997af57402ad748c64ebdd906b4baf297e7b267",
+        "lastblockhash" : "0x00e3aa010cacd10caec0b34e00503e6cc101221670240ff65b1dade8341e05db",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d11g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g3v0Filler.json",
+            "sourceHash" : "1b421f184dd254a4d20dfe350438568ba2a557fc40ee057d44df74d58de39f8d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf46b",
+                    "hash" : "0xf98e504db93065b0752afb587c57a14ba6b6fde07404897105a7eaca0bdb297f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0d75c083cfb2370ab30f433b9b7e25428b56e328b18df4df560920f415e14a81",
+                    "stateRoot" : "0xbd006f64a2dac1877437f65de86b24b3ca3bf56958cb1b732a9e918062889fb4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xb84df68285cb91a8f2fc4ad4923250ed7554c34766177d4550078bd480bafd4c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x1434e47abb38b397a31e1433fefb005a8e7b5685b23a6df565c97c1e5afe5d18",
+                        "s" : "0x1ce3864fae76a70bce29c3ab7987bd5870e5a8914767956dad3f110d05fbc5e9",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xf98e504db93065b0752afb587c57a14ba6b6fde07404897105a7eaca0bdb297f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f46b",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b95",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d11g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g3v0Filler.json",
-            "sourceHash" : "2fb0931cab8ad000eee2ebefd8f54b6fbb34ba3b44bfe1cc39e6b499161cbe67"
+            "sourceHash" : "1b421f184dd254a4d20dfe350438568ba2a557fc40ee057d44df74d58de39f8d"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x60e0faeb8ad2d10b336e3b44fe0874f819abf83c3cfda47f65a1a6ee702a4138",
-                    "mixHash" : "0xc53ce35534a69050085ee2033e003968a916bd6cb5c6dc48c9416eef4917ebd9",
-                    "nonce" : "0xc3b14ebfd3cfe874",
+                    "hash" : "0x434dbcd48f9ab9373fe5ae8738d542a875f604ca2961fbf03dafbf0d708f2f10",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xb84df68285cb91a8f2fc4ad4923250ed7554c34766177d4550078bd480bafd4c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x60e0faeb8ad2d10b336e3b44fe0874f819abf83c3cfda47f65a1a6ee702a4138",
+        "lastblockhash" : "0x434dbcd48f9ab9373fe5ae8738d542a875f604ca2961fbf03dafbf0d708f2f10",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d11g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d11g3v0Filler.json",
-            "sourceHash" : "2fb0931cab8ad000eee2ebefd8f54b6fbb34ba3b44bfe1cc39e6b499161cbe67"
+            "sourceHash" : "1b421f184dd254a4d20dfe350438568ba2a557fc40ee057d44df74d58de39f8d"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xb630f55831c2f432cb87eef2f35def46083b03c7a534c0f225c468736031258e",
-                    "mixHash" : "0x5dd432fb19a9a5707c14fe5783f38eefead89a267b7fb831f758f0d4e738a964",
-                    "nonce" : "0x8acb93950ee5d590",
+                    "hash" : "0x434dbcd48f9ab9373fe5ae8738d542a875f604ca2961fbf03dafbf0d708f2f10",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xb84df68285cb91a8f2fc4ad4923250ed7554c34766177d4550078bd480bafd4c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020004",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xb630f55831c2f432cb87eef2f35def46083b03c7a534c0f225c468736031258e",
+        "lastblockhash" : "0x434dbcd48f9ab9373fe5ae8738d542a875f604ca2961fbf03dafbf0d708f2f10",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g0v0.json
index f091c8311..0cbdcd9da 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d12g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g0v0Filler.json",
-            "sourceHash" : "209c64074e50b4c7289cb76de2e3b1a1c8cbac1b51108b7ca7655286e1950b20"
+            "sourceHash" : "d407e926110319f6acbc137b5a9d4c173169a71c902884af3d392b54d0fe1d2f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x372823b728620e261169750ac59df6bd2c4f34c42680021f5d66b2266292af73",
-                    "mixHash" : "0x6616ca96edcee85265cdda8a5305bf54268df0bae679002525fb19b2329be0d3",
-                    "nonce" : "0x169a2414e80bd7d3",
+                    "hash" : "0xc0a6a142363ed2023cf29475674db32760f9c6f34a4d534b565a755eed33842b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x2307efff069c52043761cde10fb808531e8cde0f0b038f3966ff8f85affe429a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x372823b728620e261169750ac59df6bd2c4f34c42680021f5d66b2266292af73",
+        "lastblockhash" : "0xc0a6a142363ed2023cf29475674db32760f9c6f34a4d534b565a755eed33842b",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d12g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g0v0Filler.json",
+            "sourceHash" : "d407e926110319f6acbc137b5a9d4c173169a71c902884af3d392b54d0fe1d2f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x31a9d8f6c4a8ca68a52f9dfda1056b156b06f2abab8f822dc517675516010e80",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x2307efff069c52043761cde10fb808531e8cde0f0b038f3966ff8f85affe429a",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x91d6ac4a1917bf4d1e8a355e113927f7d2d9ab5ed358501ddd90fc9b35347f08",
+                        "s" : "0x758daa013fd3590499b3b39604dcbec8973bd15df0da28a633b43da5a71dcc08",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x31a9d8f6c4a8ca68a52f9dfda1056b156b06f2abab8f822dc517675516010e80",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d12g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g0v0Filler.json",
-            "sourceHash" : "209c64074e50b4c7289cb76de2e3b1a1c8cbac1b51108b7ca7655286e1950b20"
+            "sourceHash" : "d407e926110319f6acbc137b5a9d4c173169a71c902884af3d392b54d0fe1d2f"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x1dcb28539d688b1544d9c3593d142d3b4f66749b22e084ede9ad593668cb6200",
-                    "mixHash" : "0xf44a9745d5e81eae4b8441acbb0b28d6088772b4b1296e7e162d5cb1caa8c91b",
-                    "nonce" : "0x8ea7ef316bc160c7",
+                    "hash" : "0x7d891b57495b74fd98a48804cd121dd9433484ae19cc47914bc258363ac9cb34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x2307efff069c52043761cde10fb808531e8cde0f0b038f3966ff8f85affe429a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1dcb28539d688b1544d9c3593d142d3b4f66749b22e084ede9ad593668cb6200",
+        "lastblockhash" : "0x7d891b57495b74fd98a48804cd121dd9433484ae19cc47914bc258363ac9cb34",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d12g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g0v0Filler.json",
-            "sourceHash" : "209c64074e50b4c7289cb76de2e3b1a1c8cbac1b51108b7ca7655286e1950b20"
+            "sourceHash" : "d407e926110319f6acbc137b5a9d4c173169a71c902884af3d392b54d0fe1d2f"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x45a9880a4a2309066eeec476ac1bad3da41cf464a77cd8f4052c0437b35a1a52",
-                    "mixHash" : "0x6afd9146d3a535ffbe2a22d612fff0b9c064d92eca03bc826750b4ddc538ff07",
-                    "nonce" : "0xb657e0c68e001552",
+                    "hash" : "0x7d891b57495b74fd98a48804cd121dd9433484ae19cc47914bc258363ac9cb34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x2307efff069c52043761cde10fb808531e8cde0f0b038f3966ff8f85affe429a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x45a9880a4a2309066eeec476ac1bad3da41cf464a77cd8f4052c0437b35a1a52",
+        "lastblockhash" : "0x7d891b57495b74fd98a48804cd121dd9433484ae19cc47914bc258363ac9cb34",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g1v0.json
index 286511fd0..5af91b2d7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d12g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g1v0Filler.json",
-            "sourceHash" : "752efc62d61655d22c2d24a6476ffc08c61c1c9471d3f30e3a87e90365651521"
+            "sourceHash" : "35f85bea1a0e9bafedf1aa1eae324a06f3f07e33fdf462a36e701740e70ae86b"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xfb7320b2ddb7ea42aa94adbb2603bf88307ab81c7220c8dcbde2d7c368e98482",
-                    "mixHash" : "0x8e49646e865a1695df37e095f1da7aa5dd76e5a6e68162042a893fde5eca77b9",
-                    "nonce" : "0xc60c6395a0220fd4",
+                    "hash" : "0xebeb7d6580499be40beec2cfc6060f557ff90d0cd94efd34130512a45c2103fd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa9570f214ff2a14f37aa3b97c574a4f1b666b68e649f6806014c62f95824269e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xfb7320b2ddb7ea42aa94adbb2603bf88307ab81c7220c8dcbde2d7c368e98482",
+        "lastblockhash" : "0xebeb7d6580499be40beec2cfc6060f557ff90d0cd94efd34130512a45c2103fd",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d12g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g1v0Filler.json",
+            "sourceHash" : "35f85bea1a0e9bafedf1aa1eae324a06f3f07e33fdf462a36e701740e70ae86b"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0xb56fa55ec292ac2101171ab327cb30ff4e607f7bce73d2626270c14c42a91686",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa9570f214ff2a14f37aa3b97c574a4f1b666b68e649f6806014c62f95824269e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x8ee259676b7cdb6aee12f98f8292c0a72ad56a5f6639f578fb60e0ba5ad5aa01",
+                        "s" : "0x40d879c606af7fa69c6ffc42798b959db0a324655339db82e93728e69ebc2a88",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb56fa55ec292ac2101171ab327cb30ff4e607f7bce73d2626270c14c42a91686",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d12g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g1v0Filler.json",
-            "sourceHash" : "752efc62d61655d22c2d24a6476ffc08c61c1c9471d3f30e3a87e90365651521"
+            "sourceHash" : "35f85bea1a0e9bafedf1aa1eae324a06f3f07e33fdf462a36e701740e70ae86b"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x5f1f837941459e40b3f7dd91d783852e19d5c837c7fd7a697ad439fbdf1bbf40",
-                    "mixHash" : "0x155c0eaf9970aeed5a02f538974b6db2820fa485e7a151628b800d86f052e9c5",
-                    "nonce" : "0x0c7cdfbbbe9fba6f",
+                    "hash" : "0xfd4e747be95ddddfa0cf1170bf2a59abdf8444b4daa55cffe8cd3a3b92e36b04",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xa9570f214ff2a14f37aa3b97c574a4f1b666b68e649f6806014c62f95824269e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5f1f837941459e40b3f7dd91d783852e19d5c837c7fd7a697ad439fbdf1bbf40",
+        "lastblockhash" : "0xfd4e747be95ddddfa0cf1170bf2a59abdf8444b4daa55cffe8cd3a3b92e36b04",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d12g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g1v0Filler.json",
-            "sourceHash" : "752efc62d61655d22c2d24a6476ffc08c61c1c9471d3f30e3a87e90365651521"
+            "sourceHash" : "35f85bea1a0e9bafedf1aa1eae324a06f3f07e33fdf462a36e701740e70ae86b"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x6a0f8e6bd29d7fdd592784303fbde9e86fec1fe7ae223af36c2357c3ae42a235",
-                    "mixHash" : "0xad462baacc6436a7bf660158dc76d8f45c7c20870c065eb1d283cc6983603bfa",
-                    "nonce" : "0x667aea852850cf65",
+                    "hash" : "0xfd4e747be95ddddfa0cf1170bf2a59abdf8444b4daa55cffe8cd3a3b92e36b04",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xa9570f214ff2a14f37aa3b97c574a4f1b666b68e649f6806014c62f95824269e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6a0f8e6bd29d7fdd592784303fbde9e86fec1fe7ae223af36c2357c3ae42a235",
+        "lastblockhash" : "0xfd4e747be95ddddfa0cf1170bf2a59abdf8444b4daa55cffe8cd3a3b92e36b04",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g2v0.json
index a59b4b0ba..c1bc15df2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d12g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g2v0Filler.json",
-            "sourceHash" : "208c6d5757d59438a1ced782fb0e5543060680e558412a6d2c4941351e8b23ad"
+            "sourceHash" : "bd9f10a4f1bc236b8a55e145a6a307c13ec35c0ec9259f6629cea0a68bcc365d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x25cb15e93df806710f599409a4d04fe43cf45d5e850a48bd8c0dd162644327a8",
-                    "mixHash" : "0x18f764f0d6a0846e967efd0ea84c551b181a0fb354bc902ee28551aadd84b817",
-                    "nonce" : "0xac379efe1803c09c",
+                    "hash" : "0xe14c777d5e9a157b8e8a79aa150c6ae68166228b834308522a87c9e740f2c2bb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa4de65749b3dc2bbb75bcfa8e49521d16f85b5e3e8d1a24469278dbb9efbee1d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x25cb15e93df806710f599409a4d04fe43cf45d5e850a48bd8c0dd162644327a8",
+        "lastblockhash" : "0xe14c777d5e9a157b8e8a79aa150c6ae68166228b834308522a87c9e740f2c2bb",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d12g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g2v0Filler.json",
+            "sourceHash" : "bd9f10a4f1bc236b8a55e145a6a307c13ec35c0ec9259f6629cea0a68bcc365d"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x2799ab51c409deaf0945a8094db5c6e8ed67acc4468889d17ebf970052218ef8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
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+                "uncleHeaders" : [
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+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x2799ab51c409deaf0945a8094db5c6e8ed67acc4468889d17ebf970052218ef8",
+        "network" : "Constantinople",
+        "postState" : {
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+                "nonce" : "0x00",
+                "storage" : {
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+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d12g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g2v0Filler.json",
-            "sourceHash" : "208c6d5757d59438a1ced782fb0e5543060680e558412a6d2c4941351e8b23ad"
+            "sourceHash" : "bd9f10a4f1bc236b8a55e145a6a307c13ec35c0ec9259f6629cea0a68bcc365d"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x83ae1a24f729aa9aff51fb66a422607982c0614c7c9507e961bdb6b0bb2b17f8",
-                    "mixHash" : "0x066f967d6be13ec3ba979c34e74d73c5e9509a88e2702ee255e8e2a8967b06e3",
-                    "nonce" : "0xdfca09a7f77fc755",
+                    "hash" : "0x14725b11a8dc983943ca2364be7fac0de8c2f1867b5413037e9931d0d762cadd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xa4de65749b3dc2bbb75bcfa8e49521d16f85b5e3e8d1a24469278dbb9efbee1d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa02c32e61701383faa3e439268fbd2a4aacdd140fe280a6d35f252e63a851b05b6a0a4de65749b3dc2bbb75bcfa8e49521d16f85b5e3e8d1a24469278dbb9efbee1da0911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83dfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d38203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018301adb094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010203001ca0036a6b050dd184a908eb93a39dcdb4ff09e053d0ff92fba001df220447288b1fa05941a9d341983da9e7057073a0f7f5154eadabc69a995b9f2a72ef39d9111b44c0",
                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x83ae1a24f729aa9aff51fb66a422607982c0614c7c9507e961bdb6b0bb2b17f8",
+        "lastblockhash" : "0x14725b11a8dc983943ca2364be7fac0de8c2f1867b5413037e9931d0d762cadd",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d12g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g2v0Filler.json",
-            "sourceHash" : "208c6d5757d59438a1ced782fb0e5543060680e558412a6d2c4941351e8b23ad"
+            "sourceHash" : "bd9f10a4f1bc236b8a55e145a6a307c13ec35c0ec9259f6629cea0a68bcc365d"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xe91474ce631bc65342b40212af87fbe5078d0bc63e4b53c5a3e50f2d19b8abfd",
-                    "mixHash" : "0x597a0826043b77b3f4a140436f8f68a3c024c181955c320c80e93ebcf8836e87",
-                    "nonce" : "0xc880a3f192c7b641",
+                    "hash" : "0x14725b11a8dc983943ca2364be7fac0de8c2f1867b5413037e9931d0d762cadd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xa4de65749b3dc2bbb75bcfa8e49521d16f85b5e3e8d1a24469278dbb9efbee1d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa02c32e61701383faa3e439268fbd2a4aacdd140fe280a6d35f252e63a851b05b6a0a4de65749b3dc2bbb75bcfa8e49521d16f85b5e3e8d1a24469278dbb9efbee1da0911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83dfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d38203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018301adb094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010203001ca0036a6b050dd184a908eb93a39dcdb4ff09e053d0ff92fba001df220447288b1fa05941a9d341983da9e7057073a0f7f5154eadabc69a995b9f2a72ef39d9111b44c0",
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                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe91474ce631bc65342b40212af87fbe5078d0bc63e4b53c5a3e50f2d19b8abfd",
+        "lastblockhash" : "0x14725b11a8dc983943ca2364be7fac0de8c2f1867b5413037e9931d0d762cadd",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g3v0.json
index 90aa7dd74..618f9fc22 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d12g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d12g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g3v0Filler.json",
-            "sourceHash" : "72b9f21d53a0aaefbc82fb87a86e932fc2ec9654a30a4357d2c10fe8b681e0d8"
+            "sourceHash" : "f7b69b87a0e3db332cd254f87d4d01f07d82f785c8da304f01a488910cd0df8b"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xe761aec172d37d00c796ca8ba8125722e369a89f490ad6e8db40a2e5224f6ac2",
-                    "mixHash" : "0xf9f7f65c162bfb9d640df42c995f8cd79ddacd92749c0d89290d5e02df71cc45",
-                    "nonce" : "0xfcca56637ff58359",
+                    "hash" : "0x7f26fb35f47b47e01307c68fec0b397395848bb88122d1e56695ba3dee209882",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbb9002711a476673841ec55e5237a5625a80749b5bdbadba621dffdcf5fadf26",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe761aec172d37d00c796ca8ba8125722e369a89f490ad6e8db40a2e5224f6ac2",
+        "lastblockhash" : "0x7f26fb35f47b47e01307c68fec0b397395848bb88122d1e56695ba3dee209882",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d12g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g3v0Filler.json",
+            "sourceHash" : "f7b69b87a0e3db332cd254f87d4d01f07d82f785c8da304f01a488910cd0df8b"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x4d4b85420b9bdc6310560fe180e1129631ede09a8960d9a6a4ec4ee059095886",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbb9002711a476673841ec55e5237a5625a80749b5bdbadba621dffdcf5fadf26",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x1c970b4d753de0ff42c4ae644c80fa39fd658cc3ae4bf3f315388fe12716be5f",
+                        "s" : "0x76f2b86622b1b8f82e02861c6efeb9dd4bb15f08911c467b1f141aa2802d8b03",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x4d4b85420b9bdc6310560fe180e1129631ede09a8960d9a6a4ec4ee059095886",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d12g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g3v0Filler.json",
-            "sourceHash" : "72b9f21d53a0aaefbc82fb87a86e932fc2ec9654a30a4357d2c10fe8b681e0d8"
+            "sourceHash" : "f7b69b87a0e3db332cd254f87d4d01f07d82f785c8da304f01a488910cd0df8b"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x72360101a4631525b397151a16303915fff7d0b28ddf6d741515be40b1c9a0bf",
-                    "mixHash" : "0xdd692997664d14a1bfc02697ff96af9d68b6d0c5444763ee51e91492a1c0ac9c",
-                    "nonce" : "0x4ff4897ecb6fb90c",
+                    "hash" : "0xd639c877b35c92ac705042a6b9e8b35fabbd1e9483901c8b71c02a810f140b5e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xbb9002711a476673841ec55e5237a5625a80749b5bdbadba621dffdcf5fadf26",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x72360101a4631525b397151a16303915fff7d0b28ddf6d741515be40b1c9a0bf",
+        "lastblockhash" : "0xd639c877b35c92ac705042a6b9e8b35fabbd1e9483901c8b71c02a810f140b5e",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d12g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d12g3v0Filler.json",
-            "sourceHash" : "72b9f21d53a0aaefbc82fb87a86e932fc2ec9654a30a4357d2c10fe8b681e0d8"
+            "sourceHash" : "f7b69b87a0e3db332cd254f87d4d01f07d82f785c8da304f01a488910cd0df8b"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xd99a8d746fd3ea63e23276ee78dfdb02e95a14427659594d24065d4943a8c4d7",
-                    "mixHash" : "0x2a393d7bd3901483ffec08fa1c8ebf6441b1927da47367d8985213771b1fe605",
-                    "nonce" : "0xda284c55d821e2b4",
+                    "hash" : "0xd639c877b35c92ac705042a6b9e8b35fabbd1e9483901c8b71c02a810f140b5e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xbb9002711a476673841ec55e5237a5625a80749b5bdbadba621dffdcf5fadf26",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020300",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd99a8d746fd3ea63e23276ee78dfdb02e95a14427659594d24065d4943a8c4d7",
+        "lastblockhash" : "0xd639c877b35c92ac705042a6b9e8b35fabbd1e9483901c8b71c02a810f140b5e",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g0v0.json
index a25b47799..85022d195 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d13g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g0v0Filler.json",
-            "sourceHash" : "ca58ade90fe21a99d4c616fda73a093db6e0a455fc63973b5e4c143ef48e9a7b"
+            "sourceHash" : "ece1b34e8045aa3dd1763b86da17dbe38cf714df3f29cb94bbf716903b80de11"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xcbbce8949009f4aa197ea1795b775c4f453e36eec90250333d7eeafdc4d52220",
-                    "mixHash" : "0xac6b9793a1c2497f4dbf639c4a6699d89eb688e469f76b4faa7206bd59b19a51",
-                    "nonce" : "0x6426caa0d23b7415",
+                    "hash" : "0x54cefc8bad52eea5da7158de39d5f5fb99e2e6c087eceac426389875f953a6ce",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x50e2720609b92062784c73b86355c3b3072d36250096048dd7a7ed7be9ba0f67",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcbbce8949009f4aa197ea1795b775c4f453e36eec90250333d7eeafdc4d52220",
+        "lastblockhash" : "0x54cefc8bad52eea5da7158de39d5f5fb99e2e6c087eceac426389875f953a6ce",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d13g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g0v0Filler.json",
+            "sourceHash" : "ece1b34e8045aa3dd1763b86da17dbe38cf714df3f29cb94bbf716903b80de11"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0x0258792151f3a0df39d3f2f1ae4cdc3da9d3da73bfd9ce2a04a86df8a1fe051a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x50e2720609b92062784c73b86355c3b3072d36250096048dd7a7ed7be9ba0f67",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc63f8b5f7d5e1e3459f59a51f6629ced07fc7187e89a188a79898bce7735bddc",
+                        "s" : "0x6c7af8f8201e61f4be63daf898a716f8cb9f75191d9c0208ca7f6195b58ad966",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0258792151f3a0df39d3f2f1ae4cdc3da9d3da73bfd9ce2a04a86df8a1fe051a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d13g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g0v0Filler.json",
-            "sourceHash" : "ca58ade90fe21a99d4c616fda73a093db6e0a455fc63973b5e4c143ef48e9a7b"
+            "sourceHash" : "ece1b34e8045aa3dd1763b86da17dbe38cf714df3f29cb94bbf716903b80de11"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x51028edbe232be9a5379e5e46ca2fbdfc840b79eeeba0a01a8da3233c0d7011a",
-                    "mixHash" : "0x0747c2a6d9f34f64bc8319fcf07a04356f429e2336dd172a57d71d64ba78f988",
-                    "nonce" : "0x5409928b2adca657",
+                    "hash" : "0x85badd5b77ceb5721c3fae5c27fd786a9b551765280680e8763dbe2f04e35f0c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x50e2720609b92062784c73b86355c3b3072d36250096048dd7a7ed7be9ba0f67",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x51028edbe232be9a5379e5e46ca2fbdfc840b79eeeba0a01a8da3233c0d7011a",
+        "lastblockhash" : "0x85badd5b77ceb5721c3fae5c27fd786a9b551765280680e8763dbe2f04e35f0c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d13g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g0v0Filler.json",
-            "sourceHash" : "ca58ade90fe21a99d4c616fda73a093db6e0a455fc63973b5e4c143ef48e9a7b"
+            "sourceHash" : "ece1b34e8045aa3dd1763b86da17dbe38cf714df3f29cb94bbf716903b80de11"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xcc488a9a91a32d29ceea4759548481eb4dc627f6cd897552cca183117bd64c87",
-                    "mixHash" : "0xa18aef7ff1bd412fe0aa0f3b54aa6ea6b1bbbdd9750c51d1879493efde5b0a60",
-                    "nonce" : "0x66acae94fadc7b13",
+                    "hash" : "0x85badd5b77ceb5721c3fae5c27fd786a9b551765280680e8763dbe2f04e35f0c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x50e2720609b92062784c73b86355c3b3072d36250096048dd7a7ed7be9ba0f67",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcc488a9a91a32d29ceea4759548481eb4dc627f6cd897552cca183117bd64c87",
+        "lastblockhash" : "0x85badd5b77ceb5721c3fae5c27fd786a9b551765280680e8763dbe2f04e35f0c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g1v0.json
index b6098f0e1..51fee3028 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d13g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g1v0Filler.json",
-            "sourceHash" : "17531571d6e1d2039b32604c0d85669c1cc2afb2aadb6471ccb25ae3664aa652"
+            "sourceHash" : "7a36baa6e8d0917f5808005f2aea50591742d443b41968723ba2357aea0d64b3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x29c095583ed3060b6221bbebbf7bebf7c8d52dfd4f1d5f9d4143ca413532b268",
-                    "mixHash" : "0x833e562bdf3d00079fc7933e363c8b96bd13a22faa001563e5ab836ab96bb4fc",
-                    "nonce" : "0x2e0721fa0f8c17be",
+                    "hash" : "0x78e6546c523668082c688dc16ca252a37ab66f6526453acd9fb5352f27b81726",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9e140ccf77cd783b96d5b763cd153baa083655e2552d0c4a194ff00e5e554534",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x29c095583ed3060b6221bbebbf7bebf7c8d52dfd4f1d5f9d4143ca413532b268",
+        "lastblockhash" : "0x78e6546c523668082c688dc16ca252a37ab66f6526453acd9fb5352f27b81726",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d13g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g1v0Filler.json",
+            "sourceHash" : "7a36baa6e8d0917f5808005f2aea50591742d443b41968723ba2357aea0d64b3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0x23a11baa892acb510dbf3eafeaa785549ea506179c097bdd4cc3a741fd94b5ae",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9e140ccf77cd783b96d5b763cd153baa083655e2552d0c4a194ff00e5e554534",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xf81e1fb33bcb808b9b57591434955af1db3699298282685c29f605c9c2161ca6",
+                        "s" : "0x477c55de99e70fb4f296573188dbd388cfa19cb767d45885484dd13dec1e2724",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x23a11baa892acb510dbf3eafeaa785549ea506179c097bdd4cc3a741fd94b5ae",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d13g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g1v0Filler.json",
-            "sourceHash" : "17531571d6e1d2039b32604c0d85669c1cc2afb2aadb6471ccb25ae3664aa652"
+            "sourceHash" : "7a36baa6e8d0917f5808005f2aea50591742d443b41968723ba2357aea0d64b3"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x4386214247914103b2fb6770cc2427d81c09b3497a59dcb0c00a9d4f5115f296",
-                    "mixHash" : "0x2a4f2a811e6985228dc08933b671e954459904006a448dd37129344c3477f93e",
-                    "nonce" : "0xe0a8c40455e2fe8c",
+                    "hash" : "0x4df60282b23736f6fab69ac9d0c8e6432128847c46287fbdd0911ad4f8096b57",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x9e140ccf77cd783b96d5b763cd153baa083655e2552d0c4a194ff00e5e554534",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4386214247914103b2fb6770cc2427d81c09b3497a59dcb0c00a9d4f5115f296",
+        "lastblockhash" : "0x4df60282b23736f6fab69ac9d0c8e6432128847c46287fbdd0911ad4f8096b57",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d13g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g1v0Filler.json",
-            "sourceHash" : "17531571d6e1d2039b32604c0d85669c1cc2afb2aadb6471ccb25ae3664aa652"
+            "sourceHash" : "7a36baa6e8d0917f5808005f2aea50591742d443b41968723ba2357aea0d64b3"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x68457f34dda6fedc15cf0f4d708ace9f39c699d616f60c83d4bcafeb4ea0c058",
-                    "mixHash" : "0x0fb18086de28aab87dfdbbfb0d8b113463c7c60afe9db63b7277e3391bc5ad3f",
-                    "nonce" : "0xfc154cbca51f0ddb",
+                    "hash" : "0x4df60282b23736f6fab69ac9d0c8e6432128847c46287fbdd0911ad4f8096b57",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x9e140ccf77cd783b96d5b763cd153baa083655e2552d0c4a194ff00e5e554534",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x68457f34dda6fedc15cf0f4d708ace9f39c699d616f60c83d4bcafeb4ea0c058",
+        "lastblockhash" : "0x4df60282b23736f6fab69ac9d0c8e6432128847c46287fbdd0911ad4f8096b57",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g2v0.json
index 73da1aa04..a0a9549f1 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d13g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g2v0Filler.json",
-            "sourceHash" : "d9cd7b57432178636c905f5002478a290467ecb941d0a5baac3522d3167f73f1"
+            "sourceHash" : "2177e026df009740f2133bc87a76612bd44cff41fd1a82446197fb853a6aff80"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x679db9c13e70bf56f12582851a2581731284a058a9c75780b9ee78282a7d3f72",
-                    "mixHash" : "0x77d2844de8a7d23ec5fac1f6cea7db31e0770cb7b8e4f4d5e89d7f41e4b47df7",
-                    "nonce" : "0xef88c236f80c19e2",
+                    "hash" : "0x4f3886d25d00e3436064bb92ac2f8124a4215f0e2d8fba91d48ddc4331b69ee5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf60e6fa15b2ba7373fe5f3f30b29053d3d84cd51f533a22a7af0da718cb140d3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x679db9c13e70bf56f12582851a2581731284a058a9c75780b9ee78282a7d3f72",
+        "lastblockhash" : "0x4f3886d25d00e3436064bb92ac2f8124a4215f0e2d8fba91d48ddc4331b69ee5",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d13g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g2v0Filler.json",
+            "sourceHash" : "2177e026df009740f2133bc87a76612bd44cff41fd1a82446197fb853a6aff80"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0xd086746424d17ff66b9c498bbc63997c9a22ced80cdf56515fa0fc3c6599a557",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf60e6fa15b2ba7373fe5f3f30b29053d3d84cd51f533a22a7af0da718cb140d3",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x2d8dcf7048f1614f795503732f8b48fb924c02d80fec98b362a1757f642a8729",
+                        "s" : "0x105bbff57a0588d9cbdc7b032981fa35e17a8c4ab5dbae7af94b41d36a0d37b2",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd086746424d17ff66b9c498bbc63997c9a22ced80cdf56515fa0fc3c6599a557",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d13g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g2v0Filler.json",
-            "sourceHash" : "d9cd7b57432178636c905f5002478a290467ecb941d0a5baac3522d3167f73f1"
+            "sourceHash" : "2177e026df009740f2133bc87a76612bd44cff41fd1a82446197fb853a6aff80"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xe4168ea84bd54190e8f9be5823b5dea4e6780f694f90d5e94fd8c1bae51a8417",
-                    "mixHash" : "0x5034ece97a5f2d4b95d33b4cb8265ccb44651aeae05ed8793b5c1e6547a68270",
-                    "nonce" : "0x5a53af7d21b8281e",
+                    "hash" : "0xace4f25e4115176366d71232abbcde401481e616f06e01c5eb80aecf9886241f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xf60e6fa15b2ba7373fe5f3f30b29053d3d84cd51f533a22a7af0da718cb140d3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe4168ea84bd54190e8f9be5823b5dea4e6780f694f90d5e94fd8c1bae51a8417",
+        "lastblockhash" : "0xace4f25e4115176366d71232abbcde401481e616f06e01c5eb80aecf9886241f",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d13g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g2v0Filler.json",
-            "sourceHash" : "d9cd7b57432178636c905f5002478a290467ecb941d0a5baac3522d3167f73f1"
+            "sourceHash" : "2177e026df009740f2133bc87a76612bd44cff41fd1a82446197fb853a6aff80"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xadb273d6ae7779b6d89fcf4775183c22384f81d1cf4796c3c84a17a442a176ee",
-                    "mixHash" : "0xb33ed799ee8898581cc4b1e0d0202f9d6a3c88b145d29cbdd61d962ce2db4416",
-                    "nonce" : "0xad556a37aab93f82",
+                    "hash" : "0xace4f25e4115176366d71232abbcde401481e616f06e01c5eb80aecf9886241f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xf60e6fa15b2ba7373fe5f3f30b29053d3d84cd51f533a22a7af0da718cb140d3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa07dfc0ada51723b091e36015148efda8c903c62236d59dbce85c3d354e4afa4fea0f60e6fa15b2ba7373fe5f3f30b29053d3d84cd51f533a22a7af0da718cb140d3a07fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bddab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98f8203e880a0b33ed799ee8898581cc4b1e0d0202f9d6a3c88b145d29cbdd61d962ce2db441688ad556a37aab93f82f8c5f8c380018301adb094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000103041ba02d8dcf7048f1614f795503732f8b48fb924c02d80fec98b362a1757f642a8729a0105bbff57a0588d9cbdc7b032981fa35e17a8c4ab5dbae7af94b41d36a0d37b2c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xadb273d6ae7779b6d89fcf4775183c22384f81d1cf4796c3c84a17a442a176ee",
+        "lastblockhash" : "0xace4f25e4115176366d71232abbcde401481e616f06e01c5eb80aecf9886241f",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g3v0.json
index c5b73c6ee..3f47c49d3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d13g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d13g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g3v0Filler.json",
-            "sourceHash" : "0e65e9773938e788722457ab7bf946ecc4a75e5e7c4bcdabe3e58478b80e6da3"
+            "sourceHash" : "eb5ef588338fc410160ecfa75aa4be6b863b2376f81eae2c3c50dfdd6f50d97e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x5ce412de24525c80c148a6a3c368bf62c0abc0311db4d3d39150ca079fece2aa",
-                    "mixHash" : "0x30bfb0bb0c22069ad52ec3612dc765e1428cc191b0a22494a36371d4ad10f4e3",
-                    "nonce" : "0xac2228bed70a681b",
+                    "hash" : "0xe48324ac7168da0a05c4d5e0be319f936a54098bf7f0f2cfcec8121398451727",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe468f84c605b046c41e638bacc2906201449e87f05730bd90d5e30a97be26d56",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5ce412de24525c80c148a6a3c368bf62c0abc0311db4d3d39150ca079fece2aa",
+        "lastblockhash" : "0xe48324ac7168da0a05c4d5e0be319f936a54098bf7f0f2cfcec8121398451727",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d13g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g3v0Filler.json",
+            "sourceHash" : "eb5ef588338fc410160ecfa75aa4be6b863b2376f81eae2c3c50dfdd6f50d97e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0x1576114708ee008fedb206a3b1981ff740d712d9bb4985dc4baef64aa0bf280f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe468f84c605b046c41e638bacc2906201449e87f05730bd90d5e30a97be26d56",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
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+                    {
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+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc2157d9a52936da97011acfd541827725ba96963d460aa118dcd20a5a3118508",
+                        "s" : "0x68035120f96bd72dd5001bc7f2fa91aa455a4fb63f923a7bd8e9e6139ba2f498",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x1576114708ee008fedb206a3b1981ff740d712d9bb4985dc4baef64aa0bf280f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d13g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g3v0Filler.json",
-            "sourceHash" : "0e65e9773938e788722457ab7bf946ecc4a75e5e7c4bcdabe3e58478b80e6da3"
+            "sourceHash" : "eb5ef588338fc410160ecfa75aa4be6b863b2376f81eae2c3c50dfdd6f50d97e"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x0cf08262baf74f71b1853c871d456e30dcc6c06226fdea3f80be0ddf8c9d43fb",
-                    "mixHash" : "0xc3722880f48e400de378b157617fe1f5ab77d4858d782bad6f60b879e2615f38",
-                    "nonce" : "0x18eefcef06bb7fae",
+                    "hash" : "0xf35d458da54e7c0836663043ad85d4f81d2a29b2e9d39bdd710f2eee3212694e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xe468f84c605b046c41e638bacc2906201449e87f05730bd90d5e30a97be26d56",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0cf08262baf74f71b1853c871d456e30dcc6c06226fdea3f80be0ddf8c9d43fb",
+        "lastblockhash" : "0xf35d458da54e7c0836663043ad85d4f81d2a29b2e9d39bdd710f2eee3212694e",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d13g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d13g3v0Filler.json",
-            "sourceHash" : "0e65e9773938e788722457ab7bf946ecc4a75e5e7c4bcdabe3e58478b80e6da3"
+            "sourceHash" : "eb5ef588338fc410160ecfa75aa4be6b863b2376f81eae2c3c50dfdd6f50d97e"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x9de31a772650e96c51c22ed64d4e4eb901b12aa99c4cd7d6189df4f55b6151f3",
-                    "mixHash" : "0xe85e160e01e1084808b0ba1875fdb1638c273fd9337f95891fe34129b105eb25",
-                    "nonce" : "0xb155c6d64cba4f1d",
+                    "hash" : "0xf35d458da54e7c0836663043ad85d4f81d2a29b2e9d39bdd710f2eee3212694e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xe468f84c605b046c41e638bacc2906201449e87f05730bd90d5e30a97be26d56",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010304",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9de31a772650e96c51c22ed64d4e4eb901b12aa99c4cd7d6189df4f55b6151f3",
+        "lastblockhash" : "0xf35d458da54e7c0836663043ad85d4f81d2a29b2e9d39bdd710f2eee3212694e",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g0v0.json
index 45815cf8d..228beb264 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d14g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g0v0Filler.json",
-            "sourceHash" : "6c465800c33fa9cdf02394c2b7f1412dde6244fca0d75c1fba7efaefae9f2d26"
+            "sourceHash" : "29b30aed91d4ffe4c7639c1468a8f7c0b3e1dfe2ff3b9469f4a91147820a134d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf427",
-                    "hash" : "0x68adfa86aec00c208e4c42f7eb95bb6fb0852da3080b98d7117fc3bd2cd3f5e7",
-                    "mixHash" : "0x4080e2831fed4a4e6d3c439c6be0bee8766bbd7de8f41381c9b5d2675500520c",
-                    "nonce" : "0xfa1d2a9baeb8b2b6",
+                    "hash" : "0xf7873336110218ded4b8ce4af687caa2e7e64377dafa327262269b28ef05ae64",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1d71e45e8328d053fa750edf1fc09480b7333b1a6c242db8fd120a527383e44a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x39bbb90f4eba6a03f1a9b3ba2a085b7f1a46e3c38696bab916e3120fd537ad49",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x68adfa86aec00c208e4c42f7eb95bb6fb0852da3080b98d7117fc3bd2cd3f5e7",
+        "lastblockhash" : "0xf7873336110218ded4b8ce4af687caa2e7e64377dafa327262269b28ef05ae64",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d14g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g0v0Filler.json",
+            "sourceHash" : "29b30aed91d4ffe4c7639c1468a8f7c0b3e1dfe2ff3b9469f4a91147820a134d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf427",
+                    "hash" : "0xc92cf2a6b3b0d94ebaabfab42b430cb685c8f1c162c9dce022e77234672cd17c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1d71e45e8328d053fa750edf1fc09480b7333b1a6c242db8fd120a527383e44a",
+                    "stateRoot" : "0xf474a5d4904eb0420c6faf22fa375bebf10b1c8663eafaa3339617c71a351fa4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x39bbb90f4eba6a03f1a9b3ba2a085b7f1a46e3c38696bab916e3120fd537ad49",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x935fbe0bfd2fdb48bdddea87d7f9bdbdeb4cc39ba48873c27eb15b32afed0e33",
+                        "s" : "0x72950bb7403880cab0413a479701957c24a301b788731c26a8cb95600cc79e4c",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc92cf2a6b3b0d94ebaabfab42b430cb685c8f1c162c9dce022e77234672cd17c",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f427",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0bd9",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d14g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g0v0Filler.json",
-            "sourceHash" : "6c465800c33fa9cdf02394c2b7f1412dde6244fca0d75c1fba7efaefae9f2d26"
+            "sourceHash" : "29b30aed91d4ffe4c7639c1468a8f7c0b3e1dfe2ff3b9469f4a91147820a134d"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xcaeca9a8bdd59d9d88392ac1b5d0d0d54664973c1449e23ba820214c72262808",
-                    "mixHash" : "0xcd4ce878e1bae07c63f477e12778dbbf16851e668c41a58e6d470053aa4ab370",
-                    "nonce" : "0x12455879c944139e",
+                    "hash" : "0x00ae443b243dd78f29ffbc09bd7934aee25239042be95c5639b13ccdd00e6210",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x39bbb90f4eba6a03f1a9b3ba2a085b7f1a46e3c38696bab916e3120fd537ad49",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa07dfc0ada51723b091e36015148efda8c903c62236d59dbce85c3d354e4afa4fea039bbb90f4eba6a03f1a9b3ba2a085b7f1a46e3c38696bab916e3120fd537ad49a07fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bddab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98f8203e880a0cd4ce878e1bae07c63f477e12778dbbf16851e668c41a58e6d470053aa4ab3708812455879c944139ef8c6f8c480018405f5e10094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000102041ca0935fbe0bfd2fdb48bdddea87d7f9bdbdeb4cc39ba48873c27eb15b32afed0e33a072950bb7403880cab0413a479701957c24a301b788731c26a8cb95600cc79e4cc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcaeca9a8bdd59d9d88392ac1b5d0d0d54664973c1449e23ba820214c72262808",
+        "lastblockhash" : "0x00ae443b243dd78f29ffbc09bd7934aee25239042be95c5639b13ccdd00e6210",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d14g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g0v0Filler.json",
-            "sourceHash" : "6c465800c33fa9cdf02394c2b7f1412dde6244fca0d75c1fba7efaefae9f2d26"
+            "sourceHash" : "29b30aed91d4ffe4c7639c1468a8f7c0b3e1dfe2ff3b9469f4a91147820a134d"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x8319bc9396fa14ac018e59fbcca1ae76c2305e309589aad897a5954721bcf31e",
-                    "mixHash" : "0xa54a0f1a41b96d5ab8dcdf4b59247da7f50e4f7d05c4411537bc8526b4a638ab",
-                    "nonce" : "0xaa587a4709fa1575",
+                    "hash" : "0x00ae443b243dd78f29ffbc09bd7934aee25239042be95c5639b13ccdd00e6210",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x39bbb90f4eba6a03f1a9b3ba2a085b7f1a46e3c38696bab916e3120fd537ad49",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8319bc9396fa14ac018e59fbcca1ae76c2305e309589aad897a5954721bcf31e",
+        "lastblockhash" : "0x00ae443b243dd78f29ffbc09bd7934aee25239042be95c5639b13ccdd00e6210",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g1v0.json
index 272012d57..1f6848478 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d14g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g1v0Filler.json",
-            "sourceHash" : "7240ab974e12c7f61fd8c8bbe5c80db7477ce974ef8db1f981f09d55df61d0e3"
+            "sourceHash" : "1e108a683d6b22a17a7f4717a03212fbb19018895cb485367a4d2f5272bd983d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf427",
-                    "hash" : "0x3c890eeb5dd68a5c5eea54ca4c0c3b7337e62547e8f4523f2e47cd58104a941b",
-                    "mixHash" : "0xb496805c10e8da8de5c5ff63580fc4a154605d108ec4b27d901b74026e57ae79",
-                    "nonce" : "0xb2c048da3290f8dc",
+                    "hash" : "0x1c28ebccf4b7455bede393d5f5fd448974d560d4e5d61575a408b52cbb287fba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1d71e45e8328d053fa750edf1fc09480b7333b1a6c242db8fd120a527383e44a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0ce03a3b34ebfce2ab44b89e2a47ec374d0d69ab42fd513ccd7b1f9190be76d8",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3c890eeb5dd68a5c5eea54ca4c0c3b7337e62547e8f4523f2e47cd58104a941b",
+        "lastblockhash" : "0x1c28ebccf4b7455bede393d5f5fd448974d560d4e5d61575a408b52cbb287fba",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d14g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g1v0Filler.json",
+            "sourceHash" : "1e108a683d6b22a17a7f4717a03212fbb19018895cb485367a4d2f5272bd983d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf427",
+                    "hash" : "0x9a36b35c32413c60a469072eee6db18142779f4d91f01f8d526fc000c42fc41f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1d71e45e8328d053fa750edf1fc09480b7333b1a6c242db8fd120a527383e44a",
+                    "stateRoot" : "0xf474a5d4904eb0420c6faf22fa375bebf10b1c8663eafaa3339617c71a351fa4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0ce03a3b34ebfce2ab44b89e2a47ec374d0d69ab42fd513ccd7b1f9190be76d8",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xf68deeb9738c6a93033104833ed1687c3d7efdf4b03783782fa1905894c568f2",
+                        "s" : "0x52b55297142bf355554e0d452f031b614949a10d54058f528d5df0f4314960ad",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9a36b35c32413c60a469072eee6db18142779f4d91f01f8d526fc000c42fc41f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f427",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0bd9",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d14g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g1v0Filler.json",
-            "sourceHash" : "7240ab974e12c7f61fd8c8bbe5c80db7477ce974ef8db1f981f09d55df61d0e3"
+            "sourceHash" : "1e108a683d6b22a17a7f4717a03212fbb19018895cb485367a4d2f5272bd983d"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xcb8833aa19346fb2d81f355a1e53808d4eabe8a04a15e1d9ad2427d8234507ce",
-                    "mixHash" : "0xd107abb36a526c46b393b16fa47a884b842d6100781279aad6a4739491c0380c",
-                    "nonce" : "0x83b7c675c4e2fb1e",
+                    "hash" : "0x115aba8ff43f49459dd4eb6755beabf28aaea2aef60a5b4f3e7ab1674ce94b0d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x0ce03a3b34ebfce2ab44b89e2a47ec374d0d69ab42fd513ccd7b1f9190be76d8",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcb8833aa19346fb2d81f355a1e53808d4eabe8a04a15e1d9ad2427d8234507ce",
+        "lastblockhash" : "0x115aba8ff43f49459dd4eb6755beabf28aaea2aef60a5b4f3e7ab1674ce94b0d",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d14g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g1v0Filler.json",
-            "sourceHash" : "7240ab974e12c7f61fd8c8bbe5c80db7477ce974ef8db1f981f09d55df61d0e3"
+            "sourceHash" : "1e108a683d6b22a17a7f4717a03212fbb19018895cb485367a4d2f5272bd983d"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x40e1a46f379aea185032fe597d3edcc8eb209f78eee818fa034f6b6cbf30808a",
-                    "mixHash" : "0x947ffb87e409b31440d1457146eea48fbedd77e42f095bc476bc45663905d810",
-                    "nonce" : "0xdb56d30d2c33b544",
+                    "hash" : "0x115aba8ff43f49459dd4eb6755beabf28aaea2aef60a5b4f3e7ab1674ce94b0d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x0ce03a3b34ebfce2ab44b89e2a47ec374d0d69ab42fd513ccd7b1f9190be76d8",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x40e1a46f379aea185032fe597d3edcc8eb209f78eee818fa034f6b6cbf30808a",
+        "lastblockhash" : "0x115aba8ff43f49459dd4eb6755beabf28aaea2aef60a5b4f3e7ab1674ce94b0d",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g2v0.json
index 851110904..702c15281 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d14g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g2v0Filler.json",
-            "sourceHash" : "d73b617a81de8eabda64cf86d3971f34707fd95ce971c6e832bdbabe02f5afe3"
+            "sourceHash" : "6aead46057ff4dbe696dc58bb55463d487d97cac89b1ce8dce51919006483b67"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf427",
-                    "hash" : "0x038e01a3bc4eaef2e29c93c3a28dea0736c9467345b47f946dfd442a06e6a0df",
-                    "mixHash" : "0xbbbf414f9adb3eed3cae0445a3275f0cc9c3fb0045980d3c37510627e59d4f17",
-                    "nonce" : "0x2b1dae9e1c06a1b4",
+                    "hash" : "0x44722ba4dfe7d3cd13980292e8d963cbae95cbfd64f2065a2b2f3ec4d2b87960",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1d71e45e8328d053fa750edf1fc09480b7333b1a6c242db8fd120a527383e44a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x45ca964e262ba5b217a8d4bd7f196ee807ff60cc0a6e28bb635f13edda1fa53f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x038e01a3bc4eaef2e29c93c3a28dea0736c9467345b47f946dfd442a06e6a0df",
+        "lastblockhash" : "0x44722ba4dfe7d3cd13980292e8d963cbae95cbfd64f2065a2b2f3ec4d2b87960",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d14g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g2v0Filler.json",
+            "sourceHash" : "6aead46057ff4dbe696dc58bb55463d487d97cac89b1ce8dce51919006483b67"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf427",
+                    "hash" : "0xfd8ba00f5f967e2c4b22b2703da89182319f8820f747fa948b02f20832d32592",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1d71e45e8328d053fa750edf1fc09480b7333b1a6c242db8fd120a527383e44a",
+                    "stateRoot" : "0xf474a5d4904eb0420c6faf22fa375bebf10b1c8663eafaa3339617c71a351fa4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x45ca964e262ba5b217a8d4bd7f196ee807ff60cc0a6e28bb635f13edda1fa53f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x854867bdccf468bda2310850104be09724695e458ab4e86f0cf9cb4169fa6b41",
+                        "s" : "0x2f7a75c4efe36e939179756680a47ca3fdd150606a207c6ec5a9c7aaa26cd2d7",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xfd8ba00f5f967e2c4b22b2703da89182319f8820f747fa948b02f20832d32592",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f427",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0bd9",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d14g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g2v0Filler.json",
-            "sourceHash" : "d73b617a81de8eabda64cf86d3971f34707fd95ce971c6e832bdbabe02f5afe3"
+            "sourceHash" : "6aead46057ff4dbe696dc58bb55463d487d97cac89b1ce8dce51919006483b67"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xb0c3a1a738de16568f454ca3bc688338e2d0e2c2b62b5a5a52baddc499cd6099",
-                    "mixHash" : "0xaa207e46819362a631033728ab77ee47f25af48af0b80151ae2ff99a263dc6dd",
-                    "nonce" : "0xb160e42cabbd141c",
+                    "hash" : "0x70dab29e4a885d8c7bd372041adf201908f4a764b04e618f9c1f5fc92cc5512c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x45ca964e262ba5b217a8d4bd7f196ee807ff60cc0a6e28bb635f13edda1fa53f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb0c3a1a738de16568f454ca3bc688338e2d0e2c2b62b5a5a52baddc499cd6099",
+        "lastblockhash" : "0x70dab29e4a885d8c7bd372041adf201908f4a764b04e618f9c1f5fc92cc5512c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d14g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g2v0Filler.json",
-            "sourceHash" : "d73b617a81de8eabda64cf86d3971f34707fd95ce971c6e832bdbabe02f5afe3"
+            "sourceHash" : "6aead46057ff4dbe696dc58bb55463d487d97cac89b1ce8dce51919006483b67"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xb765c1f0dcfb1cf195667244633183f671e49a410293df712e0507f6338f82ba",
-                    "mixHash" : "0xf2398b8263fe08d5618cc91b16c5ba003ccb25ae903a0cc6e76e28e1efcf9b22",
-                    "nonce" : "0xda6fa9544df02452",
+                    "hash" : "0x70dab29e4a885d8c7bd372041adf201908f4a764b04e618f9c1f5fc92cc5512c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x45ca964e262ba5b217a8d4bd7f196ee807ff60cc0a6e28bb635f13edda1fa53f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xb765c1f0dcfb1cf195667244633183f671e49a410293df712e0507f6338f82ba",
+        "lastblockhash" : "0x70dab29e4a885d8c7bd372041adf201908f4a764b04e618f9c1f5fc92cc5512c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g3v0.json
index be3f50fc9..0391310eb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d14g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d14g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g3v0Filler.json",
-            "sourceHash" : "049606ca0c87c25fbe37eb87eeeee4b651248ff9dea5d01b7c0e094e17186f18"
+            "sourceHash" : "e214f63240d21b0f741526b6aded1c35f798fd0d4bf1656956028c3b662c6ce3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf427",
-                    "hash" : "0x67051008358a727a034cff58b24d3299427d33b4e067373df3de20c942ea7886",
-                    "mixHash" : "0x0d95bd924c0e4a50a18895483a6c3162f9a97d88debc3541aff332895b6435a1",
-                    "nonce" : "0x7717955077e7a641",
+                    "hash" : "0xfdce1a86b776652a3eb98ae3730438face37b2ecbde00ccbc5be79e84192597c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1d71e45e8328d053fa750edf1fc09480b7333b1a6c242db8fd120a527383e44a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe90a42a8bc12e87722f431f4158074446a4c0bce3389aa71189766aeba5f2440",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x67051008358a727a034cff58b24d3299427d33b4e067373df3de20c942ea7886",
+        "lastblockhash" : "0xfdce1a86b776652a3eb98ae3730438face37b2ecbde00ccbc5be79e84192597c",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d14g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g3v0Filler.json",
+            "sourceHash" : "e214f63240d21b0f741526b6aded1c35f798fd0d4bf1656956028c3b662c6ce3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf427",
+                    "hash" : "0xad8136deae15b65d0f0619dd4f74567b881e730e27231f127a9c24a3f130ae4f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1d71e45e8328d053fa750edf1fc09480b7333b1a6c242db8fd120a527383e44a",
+                    "stateRoot" : "0xf474a5d4904eb0420c6faf22fa375bebf10b1c8663eafaa3339617c71a351fa4",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe90a42a8bc12e87722f431f4158074446a4c0bce3389aa71189766aeba5f2440",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x7739bcad138184db7b90f233800ee74e4396b6d3c19d518fd6367c823b92e9b0",
+                        "s" : "0x29f4fc0402250eaf8203e1be1d8729e03bdc5add119f53fcf65a5ec38db003e7",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xad8136deae15b65d0f0619dd4f74567b881e730e27231f127a9c24a3f130ae4f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f427",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0bd9",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d14g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g3v0Filler.json",
-            "sourceHash" : "049606ca0c87c25fbe37eb87eeeee4b651248ff9dea5d01b7c0e094e17186f18"
+            "sourceHash" : "e214f63240d21b0f741526b6aded1c35f798fd0d4bf1656956028c3b662c6ce3"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x91d2c0a762bd70b1469823c22f553a54e34cbb07e5338862c11fb9b00cf60faf",
-                    "mixHash" : "0xf47d6d11db9fd669614a503279e1338b41ecdbf5aabae92ff147069ec32879a7",
-                    "nonce" : "0xad7f63027c61c0bd",
+                    "hash" : "0xc73e5fd8232ccead7ea6f135746a1dfe07489d27953874a677a43ab3d7a6f2bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xe90a42a8bc12e87722f431f4158074446a4c0bce3389aa71189766aeba5f2440",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x91d2c0a762bd70b1469823c22f553a54e34cbb07e5338862c11fb9b00cf60faf",
+        "lastblockhash" : "0xc73e5fd8232ccead7ea6f135746a1dfe07489d27953874a677a43ab3d7a6f2bf",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d14g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d14g3v0Filler.json",
-            "sourceHash" : "049606ca0c87c25fbe37eb87eeeee4b651248ff9dea5d01b7c0e094e17186f18"
+            "sourceHash" : "e214f63240d21b0f741526b6aded1c35f798fd0d4bf1656956028c3b662c6ce3"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x6c408962b310d3c5a89cc464021167c9a9c47a84947918032f52f6d19a2d2a19",
-                    "mixHash" : "0x4d7df1c19f7c7d6361d1d9046ab3767314a4750a57aa5e0981f8df958ad439f9",
-                    "nonce" : "0x13c0b90eafa60152",
+                    "hash" : "0xc73e5fd8232ccead7ea6f135746a1dfe07489d27953874a677a43ab3d7a6f2bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xe90a42a8bc12e87722f431f4158074446a4c0bce3389aa71189766aeba5f2440",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010204",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6c408962b310d3c5a89cc464021167c9a9c47a84947918032f52f6d19a2d2a19",
+        "lastblockhash" : "0xc73e5fd8232ccead7ea6f135746a1dfe07489d27953874a677a43ab3d7a6f2bf",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g0v0.json
index b0caa8d03..ee8b09daf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d15g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g0v0Filler.json",
-            "sourceHash" : "8b61844302eea918ac1e7531b0b29468afab3c073a0bd07845f4092973dcb2b2"
+            "sourceHash" : "255b0cf048631ff1c9ef4b3736814324ec6adfd6eeb16e947d61e46aa34e0d17"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x6cbe9064e60efac20d422f060dff4846463506d0364fad65c671096f9d8ad05b",
-                    "mixHash" : "0x96f8ff14e129e3fbb7329a3cab212d48c15790739a7b9ee286a24166cb587cad",
-                    "nonce" : "0xba2a955c1d0c29e6",
+                    "hash" : "0x320b499f46cdc719e2e2f364a40a434f2d6027646a11bc930ab2b1c6451c1648",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x54d4b64517de294b22787f27c348cad61d3ff4880f58afc2d075efaae8e3f36a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa04a1b85c572e3f22580c49dc5103f9ad8fac11e25b174ca4da5027bd62df6e788a054d4b64517de294b22787f27c348cad61d3ff4880f58afc2d075efaae8e3f36aa0c403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98f8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018405f5e10094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000002031ba091df3d008f238890dd852fc9b397c9a9927865f6cb98be9b58f359d4de569987a063acf84b4e6359d5a9f69c2936e9d7d9c652b1c5e710be91849915fe4920adcac0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x6cbe9064e60efac20d422f060dff4846463506d0364fad65c671096f9d8ad05b",
+        "lastblockhash" : "0x320b499f46cdc719e2e2f364a40a434f2d6027646a11bc930ab2b1c6451c1648",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d15g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g0v0Filler.json",
+            "sourceHash" : "255b0cf048631ff1c9ef4b3736814324ec6adfd6eeb16e947d61e46aa34e0d17"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0x59459703f05bcafa63ad7ef54da68a35978471ce01cd1f15cd27aa831b64a91e",
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+                "uncleHeaders" : [
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+            }
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+        "genesisBlockHeader" : {
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
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+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x59459703f05bcafa63ad7ef54da68a35978471ce01cd1f15cd27aa831b64a91e",
+        "network" : "Constantinople",
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+                "nonce" : "0x00",
+                "storage" : {
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+                }
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d15g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g0v0Filler.json",
-            "sourceHash" : "8b61844302eea918ac1e7531b0b29468afab3c073a0bd07845f4092973dcb2b2"
+            "sourceHash" : "255b0cf048631ff1c9ef4b3736814324ec6adfd6eeb16e947d61e46aa34e0d17"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xb35771fb2493b7e374a01ffede3f6bfb8ff3b56ac22176f4bf5971e88c482917",
-                    "mixHash" : "0x59aacfde8713543ff406b58cc2576416720a840375c8a548b622cec9943b3a51",
-                    "nonce" : "0x500721d74bc32628",
+                    "hash" : "0x3995fe8e28ddd54a476ccd4998679f51e4ea5d19065f6735cb6fd26213d613c8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x54d4b64517de294b22787f27c348cad61d3ff4880f58afc2d075efaae8e3f36a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xb35771fb2493b7e374a01ffede3f6bfb8ff3b56ac22176f4bf5971e88c482917",
+        "lastblockhash" : "0x3995fe8e28ddd54a476ccd4998679f51e4ea5d19065f6735cb6fd26213d613c8",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d15g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g0v0Filler.json",
-            "sourceHash" : "8b61844302eea918ac1e7531b0b29468afab3c073a0bd07845f4092973dcb2b2"
+            "sourceHash" : "255b0cf048631ff1c9ef4b3736814324ec6adfd6eeb16e947d61e46aa34e0d17"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xbf1c8a98ed99f7a948d44dbbd88c5944fa9b5afec3d95c9b2b3582bdc2bf4c11",
-                    "mixHash" : "0x946ad780968b349d3bd06d457c7f1028d87f320d76e9f5e7788542c8c921a4ee",
-                    "nonce" : "0xfe709b630a0b2dc7",
+                    "hash" : "0x3995fe8e28ddd54a476ccd4998679f51e4ea5d19065f6735cb6fd26213d613c8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
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                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbf1c8a98ed99f7a948d44dbbd88c5944fa9b5afec3d95c9b2b3582bdc2bf4c11",
+        "lastblockhash" : "0x3995fe8e28ddd54a476ccd4998679f51e4ea5d19065f6735cb6fd26213d613c8",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g1v0.json
index fb414168f..51f430931 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d15g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g1v0Filler.json",
-            "sourceHash" : "ed7d7e21478ad44b57ba32606575aa895893b50f938b857021863a42b4b71885"
+            "sourceHash" : "bfffeea27f03b12e028f1dd4fb869a6961609909ed602705a4ecf5eb9c817e8e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xab5a8c12550916360a529eb0f4c20bbf184a1997c69b50fe558c83371bd3ae50",
-                    "mixHash" : "0x4d80c489db582b036cd66e0668978ae8427012f49b84e1cc8f1514304cc724fc",
-                    "nonce" : "0xe099556a98341bf7",
+                    "hash" : "0xe7edcbc7bf30c7529fddb272ca57814b6b78851164985d3a80d5260b805f1c98",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3f586c7526c77f6331d7a21ae4baf7d14c08aaa6120dd23a5611faa7177fa852",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa04a1b85c572e3f22580c49dc5103f9ad8fac11e25b174ca4da5027bd62df6e788a03f586c7526c77f6331d7a21ae4baf7d14c08aaa6120dd23a5611faa7177fa852a0c403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98f8203e880a04d80c489db582b036cd66e0668978ae8427012f49b84e1cc8f1514304cc724fc88e099556a98341bf7f8c5f8c3800183015f9094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000002031ba0296a8eb47ccb08b32a7f3c0410161eb4a74e069cc4a5afa383e2e2b00e9cda1aa00a2b5c4e328a36f28b37ad775646170270c5b3be891cfbe5a934e8bc02f568a0c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xab5a8c12550916360a529eb0f4c20bbf184a1997c69b50fe558c83371bd3ae50",
+        "lastblockhash" : "0xe7edcbc7bf30c7529fddb272ca57814b6b78851164985d3a80d5260b805f1c98",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d15g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g1v0Filler.json",
+            "sourceHash" : "bfffeea27f03b12e028f1dd4fb869a6961609909ed602705a4ecf5eb9c817e8e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0x57eb4bd014e6187f5af124f5d6084a48a23c462e5669f44123784dde7f178f0c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3f586c7526c77f6331d7a21ae4baf7d14c08aaa6120dd23a5611faa7177fa852",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x296a8eb47ccb08b32a7f3c0410161eb4a74e069cc4a5afa383e2e2b00e9cda1a",
+                        "s" : "0x0a2b5c4e328a36f28b37ad775646170270c5b3be891cfbe5a934e8bc02f568a0",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x57eb4bd014e6187f5af124f5d6084a48a23c462e5669f44123784dde7f178f0c",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d15g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g1v0Filler.json",
-            "sourceHash" : "ed7d7e21478ad44b57ba32606575aa895893b50f938b857021863a42b4b71885"
+            "sourceHash" : "bfffeea27f03b12e028f1dd4fb869a6961609909ed602705a4ecf5eb9c817e8e"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xd088265014b52eb23a0b623850e067191040d9361c4796d1fcfac686d3613ddb",
-                    "mixHash" : "0xde537e1b64d7458f564b514aa9ebcd6d8bda25bc6f2f0ed414806d30f2623803",
-                    "nonce" : "0x00739537efabcd90",
+                    "hash" : "0x69718a0ab099c35f76007447a5730bd0e2912a9cd2cbe2057637b81b47eb59cb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x3f586c7526c77f6331d7a21ae4baf7d14c08aaa6120dd23a5611faa7177fa852",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa07dfc0ada51723b091e36015148efda8c903c62236d59dbce85c3d354e4afa4fea03f586c7526c77f6331d7a21ae4baf7d14c08aaa6120dd23a5611faa7177fa852a07fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bddab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98f8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c5f8c3800183015f9094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000002031ba0296a8eb47ccb08b32a7f3c0410161eb4a74e069cc4a5afa383e2e2b00e9cda1aa00a2b5c4e328a36f28b37ad775646170270c5b3be891cfbe5a934e8bc02f568a0c0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd088265014b52eb23a0b623850e067191040d9361c4796d1fcfac686d3613ddb",
+        "lastblockhash" : "0x69718a0ab099c35f76007447a5730bd0e2912a9cd2cbe2057637b81b47eb59cb",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d15g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g1v0Filler.json",
-            "sourceHash" : "ed7d7e21478ad44b57ba32606575aa895893b50f938b857021863a42b4b71885"
+            "sourceHash" : "bfffeea27f03b12e028f1dd4fb869a6961609909ed602705a4ecf5eb9c817e8e"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x091bc4d4e4b9cba8208ca700c9f5581eb5c077c67f568d0efb47d295a1680efe",
-                    "mixHash" : "0xe4819b60ed59afe13830b92d1adc3629b6e1f789d4d3c431fe779261f32eeb76",
-                    "nonce" : "0x2a10ed4d1be75376",
+                    "hash" : "0x69718a0ab099c35f76007447a5730bd0e2912a9cd2cbe2057637b81b47eb59cb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x3f586c7526c77f6331d7a21ae4baf7d14c08aaa6120dd23a5611faa7177fa852",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x091bc4d4e4b9cba8208ca700c9f5581eb5c077c67f568d0efb47d295a1680efe",
+        "lastblockhash" : "0x69718a0ab099c35f76007447a5730bd0e2912a9cd2cbe2057637b81b47eb59cb",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g2v0.json
index 8032a0f33..20abec254 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d15g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g2v0Filler.json",
-            "sourceHash" : "17fa133f69423451ed6a27074ce5cddd41958cf821c2a669ec4a1c2c3f2475c9"
+            "sourceHash" : "eb83bbd683c28a6fe67f17581b3751f98daa431f8be276e2fededa379fbfa377"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x9117b3930021ae5b4bcb403f0e5e00df62d248c075c77af41d773c33647d494f",
-                    "mixHash" : "0x5b34028eb2b25f6b4761fce66f65dee55a6612fd257cc3a27eb1642e4294f858",
-                    "nonce" : "0x11e7aadf51abf0bd",
+                    "hash" : "0x525d1608ac0f020211282b6dcf90862e8e5229ff23f4dd866f454920be09a096",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x2d5597797a41d3b4bb434699b0d6352a3aebd9ecf97e6c9c8b65bf14825a5290",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9117b3930021ae5b4bcb403f0e5e00df62d248c075c77af41d773c33647d494f",
+        "lastblockhash" : "0x525d1608ac0f020211282b6dcf90862e8e5229ff23f4dd866f454920be09a096",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d15g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g2v0Filler.json",
+            "sourceHash" : "eb83bbd683c28a6fe67f17581b3751f98daa431f8be276e2fededa379fbfa377"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0xca8700a628e2f6720a6c5ee5a846a38eaf0b41275221bbcedc2b753fefd02dcc",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x2d5597797a41d3b4bb434699b0d6352a3aebd9ecf97e6c9c8b65bf14825a5290",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x578a0307926878378a8e2dda6d684487eeb3dad5f855ae9d6618329e2254b349",
+                        "s" : "0x0f87fdd6311b5ec4a17b8c39467dc5e84b3bb6b2a1bb00bdae1aa33d3018b2c7",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xca8700a628e2f6720a6c5ee5a846a38eaf0b41275221bbcedc2b753fefd02dcc",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d15g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g2v0Filler.json",
-            "sourceHash" : "17fa133f69423451ed6a27074ce5cddd41958cf821c2a669ec4a1c2c3f2475c9"
+            "sourceHash" : "eb83bbd683c28a6fe67f17581b3751f98daa431f8be276e2fededa379fbfa377"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x4e00a44bf0783f5ef4d70ceddb7f49c311129ec4b0530bde829438e8344dcfe5",
-                    "mixHash" : "0x776dbba41b1d2790ba4919bdf069ef94c21986d0cfeb239efc21eedd418cb9ee",
-                    "nonce" : "0xced13d2dab5c869b",
+                    "hash" : "0x8f368ac3ab21328db664048a2f5072fef54152458e761428b0cafb98c19b5a22",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x2d5597797a41d3b4bb434699b0d6352a3aebd9ecf97e6c9c8b65bf14825a5290",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4e00a44bf0783f5ef4d70ceddb7f49c311129ec4b0530bde829438e8344dcfe5",
+        "lastblockhash" : "0x8f368ac3ab21328db664048a2f5072fef54152458e761428b0cafb98c19b5a22",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d15g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g2v0Filler.json",
-            "sourceHash" : "17fa133f69423451ed6a27074ce5cddd41958cf821c2a669ec4a1c2c3f2475c9"
+            "sourceHash" : "eb83bbd683c28a6fe67f17581b3751f98daa431f8be276e2fededa379fbfa377"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x85bcd72fff8ff4eb38a9facd7af7b51bd53399a872ae9d831f7efcb4ae637c0f",
-                    "mixHash" : "0xabd8c6aae3bb7569053aab277b1fe7a921461bb35e67b46e39345f3bc88853c8",
-                    "nonce" : "0x9f076dc397cd5025",
+                    "hash" : "0x8f368ac3ab21328db664048a2f5072fef54152458e761428b0cafb98c19b5a22",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x2d5597797a41d3b4bb434699b0d6352a3aebd9ecf97e6c9c8b65bf14825a5290",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x85bcd72fff8ff4eb38a9facd7af7b51bd53399a872ae9d831f7efcb4ae637c0f",
+        "lastblockhash" : "0x8f368ac3ab21328db664048a2f5072fef54152458e761428b0cafb98c19b5a22",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g3v0.json
index 3dae71817..0be0f9a8c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d15g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d15g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g3v0Filler.json",
-            "sourceHash" : "f977d221dcf029e59a05af18e05e3537eb533ff2b88284e28be55611adf5d108"
+            "sourceHash" : "7a19f1864e23e156030ff396e15aa4087c49c943601b954d32f92ba90e7fcb6e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x2af58648e5681f73e64b0e5dbca23453ded262f149dd0181f5e6d46bdc2177ea",
-                    "mixHash" : "0x45adc2f1e3f10587aab56ec6725a3acc28b79fedba02e833d818b9a01cb4c003",
-                    "nonce" : "0x4f06e42426249778",
+                    "hash" : "0x35113d2858c664f818e590e6bf9b9d30e338191ce6999b02c4cf8e3be8215077",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x00d89e0412bdb9656fa74d647c76d8ad04897b204bbdd234b954ad357b7a24fd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2af58648e5681f73e64b0e5dbca23453ded262f149dd0181f5e6d46bdc2177ea",
+        "lastblockhash" : "0x35113d2858c664f818e590e6bf9b9d30e338191ce6999b02c4cf8e3be8215077",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d15g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g3v0Filler.json",
+            "sourceHash" : "7a19f1864e23e156030ff396e15aa4087c49c943601b954d32f92ba90e7fcb6e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0x446924b6d73da17c0b63d6800bab4f975b1dda3132b6927bfb8a3a9bfb040665",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x00d89e0412bdb9656fa74d647c76d8ad04897b204bbdd234b954ad357b7a24fd",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x9438e267b872e93ce209802ad035dbdd556917b0a1ae16b63fb2a1c1094c8928",
+                        "s" : "0x6863153a24a2c0d710b1c4dae18cebca04dc1348d4775659f5efa42ff5c7cf62",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x446924b6d73da17c0b63d6800bab4f975b1dda3132b6927bfb8a3a9bfb040665",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d15g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g3v0Filler.json",
-            "sourceHash" : "f977d221dcf029e59a05af18e05e3537eb533ff2b88284e28be55611adf5d108"
+            "sourceHash" : "7a19f1864e23e156030ff396e15aa4087c49c943601b954d32f92ba90e7fcb6e"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xe5a0d464a137776be4132ef3eb3a34a3ba430d671647b70e96196c1825e68bb1",
-                    "mixHash" : "0x31ef2634c705e3f18ff2925eaf6ab259a36e4c37587dcd4f6f5816e6ee177fbb",
-                    "nonce" : "0x9067bad6299b7004",
+                    "hash" : "0x82220a51f2938f488e408f2762b10a49e509f049cdc50f16bc4e30d6ed7025ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x00d89e0412bdb9656fa74d647c76d8ad04897b204bbdd234b954ad357b7a24fd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe5a0d464a137776be4132ef3eb3a34a3ba430d671647b70e96196c1825e68bb1",
+        "lastblockhash" : "0x82220a51f2938f488e408f2762b10a49e509f049cdc50f16bc4e30d6ed7025ed",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d15g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d15g3v0Filler.json",
-            "sourceHash" : "f977d221dcf029e59a05af18e05e3537eb533ff2b88284e28be55611adf5d108"
+            "sourceHash" : "7a19f1864e23e156030ff396e15aa4087c49c943601b954d32f92ba90e7fcb6e"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x9851ce83d746e48b86c1f0bad99695d44367e68a36d50c7d5f35612b96b08c5e",
-                    "mixHash" : "0x070950e858be18ae433cf95986e3485472727ba99140f0ffc2d4027859d953f4",
-                    "nonce" : "0x6d4a4fe792b4483d",
+                    "hash" : "0x82220a51f2938f488e408f2762b10a49e509f049cdc50f16bc4e30d6ed7025ed",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x00d89e0412bdb9656fa74d647c76d8ad04897b204bbdd234b954ad357b7a24fd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000203",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9851ce83d746e48b86c1f0bad99695d44367e68a36d50c7d5f35612b96b08c5e",
+        "lastblockhash" : "0x82220a51f2938f488e408f2762b10a49e509f049cdc50f16bc4e30d6ed7025ed",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g0v0.json
index be3b3bb88..746b1f0a5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d16g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g0v0Filler.json",
-            "sourceHash" : "39b7874a173114bc0370a543adbdeb76b92953566b40b6cf98de9d2781308a88"
+            "sourceHash" : "d06a731a6c76e2f90b05fedcfe079e7eae0efa767e7014966780a56eba28f3cf"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4af",
-                    "hash" : "0x4fc0ce18839e3341d4f152fe78ef8037dc28dbb909310c087713eeab7e5cc033",
-                    "mixHash" : "0x108b90cacd9c01d7b5b49839a713528fcce1014a3aed1113f56b41127f6a802a",
-                    "nonce" : "0x9c37c5687f35e3cc",
+                    "hash" : "0xe92f18956884bdb1aad90affe8b7e16ffe0b0d8695c87075b90ec950b68c0d23",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x510427ec9203e63cec9cdfb3c726f83e65bdfb5be4883b0ec012991a0242cc97",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x669dc8b979df559f38bc885b1170b6ea4ac758197d195efef8ab7713a6682343",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4fc0ce18839e3341d4f152fe78ef8037dc28dbb909310c087713eeab7e5cc033",
+        "lastblockhash" : "0xe92f18956884bdb1aad90affe8b7e16ffe0b0d8695c87075b90ec950b68c0d23",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d16g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g0v0Filler.json",
+            "sourceHash" : "d06a731a6c76e2f90b05fedcfe079e7eae0efa767e7014966780a56eba28f3cf"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4af",
+                    "hash" : "0x43d7aa94c6b1e8c6ddf5c96d1a4128e2cda86c72a85b4d18353c0c840c505c1f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x510427ec9203e63cec9cdfb3c726f83e65bdfb5be4883b0ec012991a0242cc97",
+                    "stateRoot" : "0xf93d062b7f23e9d87cbecaf1b449907ba25c25c9764efbb670e5fe42e27d0064",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x669dc8b979df559f38bc885b1170b6ea4ac758197d195efef8ab7713a6682343",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xf6348eb978e3af5d693d74763946c7b820c1d8e7eb9074813dc04738f4916437",
+                        "s" : "0x4109bb14a67e2e89de0d45a9e25b8357ddceefd6fc2d0510011662ed786cf2d9",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x43d7aa94c6b1e8c6ddf5c96d1a4128e2cda86c72a85b4d18353c0c840c505c1f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x02000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4af",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b51",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d16g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g0v0Filler.json",
-            "sourceHash" : "39b7874a173114bc0370a543adbdeb76b92953566b40b6cf98de9d2781308a88"
+            "sourceHash" : "d06a731a6c76e2f90b05fedcfe079e7eae0efa767e7014966780a56eba28f3cf"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba17",
-                    "hash" : "0x50339c5447aeae1b89bb2e14cce523759315dd82c58152b007ccf4d454047f86",
-                    "mixHash" : "0x461e37d4b002cc48ed7af7eb0786875b466571008155e58c9966ed63c486be59",
-                    "nonce" : "0x3ffe64d6c060adef",
+                    "hash" : "0x89a99951408b32451c8835de3693ca85f52b2c34116c091cb1d656a05ccce8e0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x8341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x669dc8b979df559f38bc885b1170b6ea4ac758197d195efef8ab7713a6682343",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x50339c5447aeae1b89bb2e14cce523759315dd82c58152b007ccf4d454047f86",
+        "lastblockhash" : "0x89a99951408b32451c8835de3693ca85f52b2c34116c091cb1d656a05ccce8e0",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d16g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g0v0Filler.json",
-            "sourceHash" : "39b7874a173114bc0370a543adbdeb76b92953566b40b6cf98de9d2781308a88"
+            "sourceHash" : "d06a731a6c76e2f90b05fedcfe079e7eae0efa767e7014966780a56eba28f3cf"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba17",
-                    "hash" : "0x1bf741522fff1a1f3326d76496e72ea0e3b5b5b9739fb336de0b4c0b405dcff2",
-                    "mixHash" : "0xbaf9656d9a078c9d5bb0834c4392f06b18f06d422ec2771be0ac9276a02609f9",
-                    "nonce" : "0xf057e35cd3ff7d84",
+                    "hash" : "0x89a99951408b32451c8835de3693ca85f52b2c34116c091cb1d656a05ccce8e0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x8341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x669dc8b979df559f38bc885b1170b6ea4ac758197d195efef8ab7713a6682343",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c7f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa03654989f29451551c530c60d2668f158ee75a487dd0ab30dfc3a696bd248ba67a0669dc8b979df559f38bc885b1170b6ea4ac758197d195efef8ab7713a6682343a08341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba178203e880a0baf9656d9a078c9d5bb0834c4392f06b18f06d422ec2771be0ac9276a02609f988f057e35cd3ff7d84f8c8f8c680018405f5e10094100000000000000000000000000000000000000080b864000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300061ba0f6348eb978e3af5d693d74763946c7b820c1d8e7eb9074813dc04738f4916437a04109bb14a67e2e89de0d45a9e25b8357ddceefd6fc2d0510011662ed786cf2d9c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1bf741522fff1a1f3326d76496e72ea0e3b5b5b9739fb336de0b4c0b405dcff2",
+        "lastblockhash" : "0x89a99951408b32451c8835de3693ca85f52b2c34116c091cb1d656a05ccce8e0",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g1v0.json
index 1186f85d6..9c2d132b5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d16g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g1v0Filler.json",
-            "sourceHash" : "f684a090f54900cdf1ab5e79c3dbba76e777b72f33d65692907488805e743837"
+            "sourceHash" : "c1343b6c4e90fe7f05b3c01318616afef7c2f5a6a9dbba8cddc32273891f21da"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4af",
-                    "hash" : "0x7479ff5907fcdcd71000d0b3305775607f9c5b1253771f787008613939ebe2c4",
-                    "mixHash" : "0x8ee6ac58850c15e9064383bbbccbf2f0e418028f52272c5a0ff94a65ef1cb3b7",
-                    "nonce" : "0x8f1222989b68d941",
+                    "hash" : "0xef73a46b807e732f97564f9e1c2677eb7df0fac2ddb2bd49672d2473749577e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x510427ec9203e63cec9cdfb3c726f83e65bdfb5be4883b0ec012991a0242cc97",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6ce5e1058639b2933e5ea29304473b051919fc8ed6237893d0e0d88e95784318",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0x7479ff5907fcdcd71000d0b3305775607f9c5b1253771f787008613939ebe2c4",
+        "lastblockhash" : "0xef73a46b807e732f97564f9e1c2677eb7df0fac2ddb2bd49672d2473749577e1",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d16g1v0_Constantinople" : {
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+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+        "lastblockhash" : "0xeb93e1dba82d4f6897cc3700313411ccb9dffcbac764d7ae72ab2b4cb0bad349",
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4af",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b51",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
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+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d16g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g1v0Filler.json",
-            "sourceHash" : "f684a090f54900cdf1ab5e79c3dbba76e777b72f33d65692907488805e743837"
+            "sourceHash" : "c1343b6c4e90fe7f05b3c01318616afef7c2f5a6a9dbba8cddc32273891f21da"
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         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba17",
-                    "hash" : "0xcce7f1689dbd69b7cc17b83aa5630e4b85d190463aaa53d45f479ecbc24684ee",
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-                    "nonce" : "0xff315014ba1e7d5c",
+                    "hash" : "0x9a3398821528d68618c97c5d1f6b3c08bc3754da33c97f4d09fb93dfc953c1a7",
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@@ -136,7 +247,7 @@
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0xcce7f1689dbd69b7cc17b83aa5630e4b85d190463aaa53d45f479ecbc24684ee",
+        "lastblockhash" : "0x9a3398821528d68618c97c5d1f6b3c08bc3754da33c97f4d09fb93dfc953c1a7",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d16g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g1v0Filler.json",
-            "sourceHash" : "f684a090f54900cdf1ab5e79c3dbba76e777b72f33d65692907488805e743837"
+            "sourceHash" : "c1343b6c4e90fe7f05b3c01318616afef7c2f5a6a9dbba8cddc32273891f21da"
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         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba17",
-                    "hash" : "0x5888ec4fada7d1e95db4bb57234d9f6a8841a8183f80cc89327694d5c223a041",
-                    "mixHash" : "0x7b7e68c1434d422b409a51df180518ef74b3827b18c43e5f1f367a8c667ff6d2",
-                    "nonce" : "0x2e62b67995399f88",
+                    "hash" : "0x9a3398821528d68618c97c5d1f6b3c08bc3754da33c97f4d09fb93dfc953c1a7",
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@@ -244,7 +356,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x5888ec4fada7d1e95db4bb57234d9f6a8841a8183f80cc89327694d5c223a041",
+        "lastblockhash" : "0x9a3398821528d68618c97c5d1f6b3c08bc3754da33c97f4d09fb93dfc953c1a7",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g2v0.json
index 4762c7de9..e1af13243 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d16g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g2v0Filler.json",
-            "sourceHash" : "1f9f19b670425839beb78ebc0741d7edd17c97703be4ea9412682da400086b75"
+            "sourceHash" : "a30f3a175541efad1a69ecede53f5712c7fa0eff6af04c694b23e8896258d811"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4af",
-                    "hash" : "0x9f3fc5fbfb8051042fa3b539058cf6c5da11325a65ae826fb5b9bf6798cd7524",
-                    "mixHash" : "0x71bb24e67ff7c716df34e8579b93d1ceb4511f290dc9c2c0a1054d7475ac5f4f",
-                    "nonce" : "0x481f33b95e651843",
+                    "hash" : "0x185e4cd11ac8444b1217e24dd6415caccfa167291e175a2dabf672d35fff7da5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x510427ec9203e63cec9cdfb3c726f83e65bdfb5be4883b0ec012991a0242cc97",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3716d0e466b87a0f24339470a22684b16130eac4688140cbd4e2fc6a849489dc",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9f3fc5fbfb8051042fa3b539058cf6c5da11325a65ae826fb5b9bf6798cd7524",
+        "lastblockhash" : "0x185e4cd11ac8444b1217e24dd6415caccfa167291e175a2dabf672d35fff7da5",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d16g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g2v0Filler.json",
+            "sourceHash" : "a30f3a175541efad1a69ecede53f5712c7fa0eff6af04c694b23e8896258d811"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4af",
+                    "hash" : "0xe4aec61df2b1b4deaa885c05357b2c65be6c3a475fccb192a9446c5800677cfe",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x510427ec9203e63cec9cdfb3c726f83e65bdfb5be4883b0ec012991a0242cc97",
+                    "stateRoot" : "0xf93d062b7f23e9d87cbecaf1b449907ba25c25c9764efbb670e5fe42e27d0064",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3716d0e466b87a0f24339470a22684b16130eac4688140cbd4e2fc6a849489dc",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x7222787ab89b03edac4f16e79db532a6cdcb2689a853b133a91c3b7400827c20",
+                        "s" : "0x51e12e2724bf657605743fc94c20626fdfc66b4298d0ccac69cd6a49a7925ed5",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xe4aec61df2b1b4deaa885c05357b2c65be6c3a475fccb192a9446c5800677cfe",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x02000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4af",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b51",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d16g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g2v0Filler.json",
-            "sourceHash" : "1f9f19b670425839beb78ebc0741d7edd17c97703be4ea9412682da400086b75"
+            "sourceHash" : "a30f3a175541efad1a69ecede53f5712c7fa0eff6af04c694b23e8896258d811"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba17",
-                    "hash" : "0x2ce3b3addb0ce33a2278fce4ac48f2d6a9025d4f6c476efb917fb9b6fbb815ac",
-                    "mixHash" : "0x73a04e7e50a4852ceb1cc1bc139b4a2e4bb441ab3ec3850ad345e4829a1e6f82",
-                    "nonce" : "0x2fac214c15a2173f",
+                    "hash" : "0x8e80a63ff76d35e0f0b53a06524b25da8f11f815b9f7bbe216ff7d1449820880",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x8341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x3716d0e466b87a0f24339470a22684b16130eac4688140cbd4e2fc6a849489dc",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2ce3b3addb0ce33a2278fce4ac48f2d6a9025d4f6c476efb917fb9b6fbb815ac",
+        "lastblockhash" : "0x8e80a63ff76d35e0f0b53a06524b25da8f11f815b9f7bbe216ff7d1449820880",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d16g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g2v0Filler.json",
-            "sourceHash" : "1f9f19b670425839beb78ebc0741d7edd17c97703be4ea9412682da400086b75"
+            "sourceHash" : "a30f3a175541efad1a69ecede53f5712c7fa0eff6af04c694b23e8896258d811"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba17",
-                    "hash" : "0xf81739d4a5aed57bd790bf436cc77c768ab7e67655a754255e1ecd38ebd2c25b",
-                    "mixHash" : "0x47ca965d6df069669074e25451271b514134b8d55940d82aedf7bbde4b53eeb3",
-                    "nonce" : "0xc1598e14d55fbef8",
+                    "hash" : "0x8e80a63ff76d35e0f0b53a06524b25da8f11f815b9f7bbe216ff7d1449820880",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x8341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x3716d0e466b87a0f24339470a22684b16130eac4688140cbd4e2fc6a849489dc",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa03654989f29451551c530c60d2668f158ee75a487dd0ab30dfc3a696bd248ba67a03716d0e466b87a0f24339470a22684b16130eac4688140cbd4e2fc6a849489dca08341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba178203e880a047ca965d6df069669074e25451271b514134b8d55940d82aedf7bbde4b53eeb388c1598e14d55fbef8f8c7f8c580018301adb094100000000000000000000000000000000000000080b864000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300061ba07222787ab89b03edac4f16e79db532a6cdcb2689a853b133a91c3b7400827c20a051e12e2724bf657605743fc94c20626fdfc66b4298d0ccac69cd6a49a7925ed5c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xf81739d4a5aed57bd790bf436cc77c768ab7e67655a754255e1ecd38ebd2c25b",
+        "lastblockhash" : "0x8e80a63ff76d35e0f0b53a06524b25da8f11f815b9f7bbe216ff7d1449820880",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g3v0.json
index 1d6223844..27c5fbc32 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d16g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d16g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g3v0Filler.json",
-            "sourceHash" : "918e9aac1e85810e26c0e0e3ddce480340a273d1389782b508666c696a46f909"
+            "sourceHash" : "6781c1c5fc8a99342277e1ad77e368aeae760ddecc4f9d3917a22aaf2cbe82ed"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4af",
-                    "hash" : "0x683c1abbd40a33620b8fffb003a97064b9b797a7caeb52e71a8b10ec8844f110",
-                    "mixHash" : "0xa29c6fa5bf26a5d365dd69528a58822226e832c72c1f3d57936bb7e8ad9a17c8",
-                    "nonce" : "0xb158f6e4b827b0a6",
+                    "hash" : "0x926b971f8d42a26616b1e832af7ed42d63803b0dd978c377a3f7c5ba59ac11f9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x510427ec9203e63cec9cdfb3c726f83e65bdfb5be4883b0ec012991a0242cc97",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x738ed07bdcc71fc84c881605409ab076be3a35bafe0eb8058c2ec008c5ce2d2c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x683c1abbd40a33620b8fffb003a97064b9b797a7caeb52e71a8b10ec8844f110",
+        "lastblockhash" : "0x926b971f8d42a26616b1e832af7ed42d63803b0dd978c377a3f7c5ba59ac11f9",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d16g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g3v0Filler.json",
+            "sourceHash" : "6781c1c5fc8a99342277e1ad77e368aeae760ddecc4f9d3917a22aaf2cbe82ed"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4af",
+                    "hash" : "0xe7085f7dd9858b343c0de94b37d62c8eab9ef6ff47780224dbdb1934039215e5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x510427ec9203e63cec9cdfb3c726f83e65bdfb5be4883b0ec012991a0242cc97",
+                    "stateRoot" : "0xf93d062b7f23e9d87cbecaf1b449907ba25c25c9764efbb670e5fe42e27d0064",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x738ed07bdcc71fc84c881605409ab076be3a35bafe0eb8058c2ec008c5ce2d2c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xcfab2b5083579508a47773de8bbcec3a44714fc770161f0d2a136a3f1ec9846e",
+                        "s" : "0x2bb5787e3105a17bdfad147d4a122092c5782be5d69f27e62e96e79b2537f9de",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xe7085f7dd9858b343c0de94b37d62c8eab9ef6ff47780224dbdb1934039215e5",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x02000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4af",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b51",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d16g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g3v0Filler.json",
-            "sourceHash" : "918e9aac1e85810e26c0e0e3ddce480340a273d1389782b508666c696a46f909"
+            "sourceHash" : "6781c1c5fc8a99342277e1ad77e368aeae760ddecc4f9d3917a22aaf2cbe82ed"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba17",
-                    "hash" : "0x032af82cc464ae3eb2daab555576449a372108540c501c6fb521700720aa0e7c",
-                    "mixHash" : "0x5f072b143e14a8c783944a5af25eecc4641da73cf0ef852e3d1816a73ee6268e",
-                    "nonce" : "0x9f134478ae5dc4cc",
+                    "hash" : "0x5d890ee08a3b6952539053b0c3de9f8840b2115f124972797f72b2a54b070c6c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x8341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x738ed07bdcc71fc84c881605409ab076be3a35bafe0eb8058c2ec008c5ce2d2c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa03654989f29451551c530c60d2668f158ee75a487dd0ab30dfc3a696bd248ba67a0738ed07bdcc71fc84c881605409ab076be3a35bafe0eb8058c2ec008c5ce2d2ca08341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba178203e880a05f072b143e14a8c783944a5af25eecc4641da73cf0ef852e3d1816a73ee6268e889f134478ae5dc4ccf8c7f8c5800183030d4094100000000000000000000000000000000000000080b864000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300061ba0cfab2b5083579508a47773de8bbcec3a44714fc770161f0d2a136a3f1ec9846ea02bb5787e3105a17bdfad147d4a122092c5782be5d69f27e62e96e79b2537f9dec0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x032af82cc464ae3eb2daab555576449a372108540c501c6fb521700720aa0e7c",
+        "lastblockhash" : "0x5d890ee08a3b6952539053b0c3de9f8840b2115f124972797f72b2a54b070c6c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d16g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d16g3v0Filler.json",
-            "sourceHash" : "918e9aac1e85810e26c0e0e3ddce480340a273d1389782b508666c696a46f909"
+            "sourceHash" : "6781c1c5fc8a99342277e1ad77e368aeae760ddecc4f9d3917a22aaf2cbe82ed"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba17",
-                    "hash" : "0xe26e84d2a90ee3170efa0abf648696da3c65d42740e690f54be5ae3389a9e68f",
-                    "mixHash" : "0x0a4948a541aa5f2d1e30192dd0c19b69ccd461dbe3add1b8c6eaf9b64fa9fa82",
-                    "nonce" : "0xb432293098f4a08d",
+                    "hash" : "0x5d890ee08a3b6952539053b0c3de9f8840b2115f124972797f72b2a54b070c6c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x8341316329073e46e71ec9ae3303968a7a961dfab1c18a57e9b82be86759da71",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x738ed07bdcc71fc84c881605409ab076be3a35bafe0eb8058c2ec008c5ce2d2c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030006",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe26e84d2a90ee3170efa0abf648696da3c65d42740e690f54be5ae3389a9e68f",
+        "lastblockhash" : "0x5d890ee08a3b6952539053b0c3de9f8840b2115f124972797f72b2a54b070c6c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g0v0.json
index f3b677cae..84fb7609c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d17g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g0v0Filler.json",
-            "sourceHash" : "6c119475fbd7cb0ac3de6e315244ef94a91a1a7e1f45a6084db2dcbd79eaf446"
+            "sourceHash" : "cfdb821fa3b091f1d81ebc8c45c7d4b4d7bf0b7940995ff8a7d3d092e05b565b"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4ab",
-                    "hash" : "0x2930b8e6a190fcda1879e68d2602af83f1cbf2d7912ed5c47348838093b8bf9c",
-                    "mixHash" : "0x80e7ebdb40ee8d39ae8783116bd8a2fed9358f8328671386e452e4b02aec5378",
-                    "nonce" : "0xcd1c0515e0e6f471",
+                    "hash" : "0xdc7f5185433481e98387a4baefe90a7e5fc5c5d7b1f163fa4dca4b096c726d4d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf17896ecba716a51cb8eab11c83e2b6c5b7f610c5528caba9991276c5fdce080",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa020cfa3eb229dd081b22df1167b3a01b8481f478cebb07b4a997079f42ef8686da0f17896ecba716a51cb8eab11c83e2b6c5b7f610c5528caba9991276c5fdce080a05ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082f4ab8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c580018405f5e10094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010203061ca043c46823137cf3565913c93574607efd52b2ebe4806965e2a88777bb846a1339a059fa8b39c5ba4136e7bb8271c2692854256ce956f5155581ad2066ec0b1555c5c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2930b8e6a190fcda1879e68d2602af83f1cbf2d7912ed5c47348838093b8bf9c",
+        "lastblockhash" : "0xdc7f5185433481e98387a4baefe90a7e5fc5c5d7b1f163fa4dca4b096c726d4d",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d17g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g0v0Filler.json",
+            "sourceHash" : "cfdb821fa3b091f1d81ebc8c45c7d4b4d7bf0b7940995ff8a7d3d092e05b565b"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4ab",
+                    "hash" : "0x4acd652fdd841c708af2c8e15aa85e4e2cf881407838abbf25b6e10e958746df",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x5ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9",
+                    "stateRoot" : "0xde2ddfb1db6a1bb7e5fad605ed49adca17c9769e94e2189d8cd65faffc53a5b7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf17896ecba716a51cb8eab11c83e2b6c5b7f610c5528caba9991276c5fdce080",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x43c46823137cf3565913c93574607efd52b2ebe4806965e2a88777bb846a1339",
+                        "s" : "0x59fa8b39c5ba4136e7bb8271c2692854256ce956f5155581ad2066ec0b1555c5",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4acd652fdd841c708af2c8e15aa85e4e2cf881407838abbf25b6e10e958746df",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0200000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4ab",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b55",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d17g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g0v0Filler.json",
-            "sourceHash" : "6c119475fbd7cb0ac3de6e315244ef94a91a1a7e1f45a6084db2dcbd79eaf446"
+            "sourceHash" : "cfdb821fa3b091f1d81ebc8c45c7d4b4d7bf0b7940995ff8a7d3d092e05b565b"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0xd4e0dd7493bf7cc2782d8991a3c8a8c6c864502496ddd5a75ec42e7c1b22f719",
-                    "mixHash" : "0xe27aab4261ffbcdd21d4b917818b3df9b57b7839c83874655b62aa729a017273",
-                    "nonce" : "0xe26550db1432a2df",
+                    "hash" : "0x1c3f2594b39a7477b17d10b623e6a1c2b1d051eedc1bb5eecc6b0c55b2a831f2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xf17896ecba716a51cb8eab11c83e2b6c5b7f610c5528caba9991276c5fdce080",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd4e0dd7493bf7cc2782d8991a3c8a8c6c864502496ddd5a75ec42e7c1b22f719",
+        "lastblockhash" : "0x1c3f2594b39a7477b17d10b623e6a1c2b1d051eedc1bb5eecc6b0c55b2a831f2",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d17g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g0v0Filler.json",
-            "sourceHash" : "6c119475fbd7cb0ac3de6e315244ef94a91a1a7e1f45a6084db2dcbd79eaf446"
+            "sourceHash" : "cfdb821fa3b091f1d81ebc8c45c7d4b4d7bf0b7940995ff8a7d3d092e05b565b"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0xfef5fd54f5c5f76bfad22799e56a8da183212822ddc3f6a0e3f338d2d8cf9452",
-                    "mixHash" : "0x1e4a1959d507f7623c1ee3b8981d70f9f0662c23953b5d27418eeb8445cb5c80",
-                    "nonce" : "0x66e188e99b72bcb7",
+                    "hash" : "0x1c3f2594b39a7477b17d10b623e6a1c2b1d051eedc1bb5eecc6b0c55b2a831f2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xf17896ecba716a51cb8eab11c83e2b6c5b7f610c5528caba9991276c5fdce080",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa077ff40814f6141aa095928824cc7b49d75ea86790b6dcd12162c2d6647e37ff3a0f17896ecba716a51cb8eab11c83e2b6c5b7f610c5528caba9991276c5fdce080a09155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba138203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c580018405f5e10094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010203061ca043c46823137cf3565913c93574607efd52b2ebe4806965e2a88777bb846a1339a059fa8b39c5ba4136e7bb8271c2692854256ce956f5155581ad2066ec0b1555c5c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xfef5fd54f5c5f76bfad22799e56a8da183212822ddc3f6a0e3f338d2d8cf9452",
+        "lastblockhash" : "0x1c3f2594b39a7477b17d10b623e6a1c2b1d051eedc1bb5eecc6b0c55b2a831f2",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g1v0.json
index 91a7d4aad..eb61e5af0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d17g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g1v0Filler.json",
-            "sourceHash" : "26bb24fa6abb285e52ad140bd08d5cef48c209524b5ba571d43e2a2e222ee762"
+            "sourceHash" : "467e12d5a25803bb86447e9229e32c5e380fc5576f1f676be2d86671c73c68d3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4ab",
-                    "hash" : "0xd109f9e5f00060b0eea9e37e1e889aa1e84195e0f33c57966df14869117e5864",
-                    "mixHash" : "0x3ac3c35663ae57ed408d841dbe365e7435c2fc05812117251ebeeccf31d86a61",
-                    "nonce" : "0xa4cda3448eedeca9",
+                    "hash" : "0x7170ca97fecf18c7500ff6dc529dbce470632c5032de37413e278d8e539fe217",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5adb9079e066ccc89d14c35a1dbf22f6d2a88d5d8beebce78b258c534cbf6cae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd109f9e5f00060b0eea9e37e1e889aa1e84195e0f33c57966df14869117e5864",
+        "lastblockhash" : "0x7170ca97fecf18c7500ff6dc529dbce470632c5032de37413e278d8e539fe217",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d17g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g1v0Filler.json",
+            "sourceHash" : "467e12d5a25803bb86447e9229e32c5e380fc5576f1f676be2d86671c73c68d3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4ab",
+                    "hash" : "0x298de8d589b7a69fa2d26dbc95d5c509e6bf329370ea6689f3bf2caaefc4b855",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x5ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9",
+                    "stateRoot" : "0xde2ddfb1db6a1bb7e5fad605ed49adca17c9769e94e2189d8cd65faffc53a5b7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x5adb9079e066ccc89d14c35a1dbf22f6d2a88d5d8beebce78b258c534cbf6cae",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x851ea664bcf44d5e398a7ba342da95777dd3ddf899f2438c63b977483c1f47f8",
+                        "s" : "0x376af45b9796ee873fccaa1a6983e9dea555fd5c8a3a91ddb67a7e7404624921",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x298de8d589b7a69fa2d26dbc95d5c509e6bf329370ea6689f3bf2caaefc4b855",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0200000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4ab",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b55",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d17g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g1v0Filler.json",
-            "sourceHash" : "26bb24fa6abb285e52ad140bd08d5cef48c209524b5ba571d43e2a2e222ee762"
+            "sourceHash" : "467e12d5a25803bb86447e9229e32c5e380fc5576f1f676be2d86671c73c68d3"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x0951cbd1c28881a053987b1097073a62fa70063e51ad96d13efa9442e18fbfca",
-                    "mixHash" : "0x8161c971d74db4222a7fc603ec9ea924acbfbef80353c4c28da07557f66f0ad7",
-                    "nonce" : "0x362af72f08e42e8c",
+                    "hash" : "0x52ea2827d25d01e3270b280b3934e6a042c921498668d750bc12342f72b00146",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x5adb9079e066ccc89d14c35a1dbf22f6d2a88d5d8beebce78b258c534cbf6cae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa077ff40814f6141aa095928824cc7b49d75ea86790b6dcd12162c2d6647e37ff3a05adb9079e066ccc89d14c35a1dbf22f6d2a88d5d8beebce78b258c534cbf6caea09155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba138203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c4800183015f9094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010203061ca0851ea664bcf44d5e398a7ba342da95777dd3ddf899f2438c63b977483c1f47f8a0376af45b9796ee873fccaa1a6983e9dea555fd5c8a3a91ddb67a7e7404624921c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0951cbd1c28881a053987b1097073a62fa70063e51ad96d13efa9442e18fbfca",
+        "lastblockhash" : "0x52ea2827d25d01e3270b280b3934e6a042c921498668d750bc12342f72b00146",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d17g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g1v0Filler.json",
-            "sourceHash" : "26bb24fa6abb285e52ad140bd08d5cef48c209524b5ba571d43e2a2e222ee762"
+            "sourceHash" : "467e12d5a25803bb86447e9229e32c5e380fc5576f1f676be2d86671c73c68d3"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0xbd1276eea95e4a92b05b94fc29c57ea0ef77d5b612bf7901279228e1e61ba0ff",
-                    "mixHash" : "0xb42e56b4e6d1dea29291ba0ccb9644b72cf53f0627a358123ddc845359385c92",
-                    "nonce" : "0x555825600940bd5d",
+                    "hash" : "0x52ea2827d25d01e3270b280b3934e6a042c921498668d750bc12342f72b00146",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x5adb9079e066ccc89d14c35a1dbf22f6d2a88d5d8beebce78b258c534cbf6cae",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbd1276eea95e4a92b05b94fc29c57ea0ef77d5b612bf7901279228e1e61ba0ff",
+        "lastblockhash" : "0x52ea2827d25d01e3270b280b3934e6a042c921498668d750bc12342f72b00146",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g2v0.json
index 94375716d..f79fe3ebd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d17g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g2v0Filler.json",
-            "sourceHash" : "d5e9f68df7b45b6b3e4145e2bb066196122af5f623a1f13b6a5c3f553c0efeb0"
+            "sourceHash" : "e84f785e6b3ffcdd7d653338ff3822279c2a04696a1e1d96b27ec31c69ea27a0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4ab",
-                    "hash" : "0xacc6219a9746dce81c9d64f1feac0833f10376c6639de9e126e31ffa81673217",
-                    "mixHash" : "0x01b4b2d8f2b66ca005b57ee3596392487b69e229baca21fd10fbb7bbbea65efa",
-                    "nonce" : "0x5182fde7fd5476a3",
+                    "hash" : "0xb491ce8e271b5e33b7ecd0ab0620332ef9f9a8e7b9a3f7fe3c5e4382146ca031",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe8a06a1ea2afa4c90b4692701212959c4dc629a0fbad641c72d8e05fa7d23d66",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa020cfa3eb229dd081b22df1167b3a01b8481f478cebb07b4a997079f42ef8686da0e8a06a1ea2afa4c90b4692701212959c4dc629a0fbad641c72d8e05fa7d23d66a05ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082f4ab8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018301adb094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010203061ba02f396ad8fa1616803615c7adb9006d863f19fe11894362165b01ce1fce6f4e8ea038fb93840ae063ba56693c1099bd546b94bbc3fb0e07c885c351cca8772b039dc0",
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                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xacc6219a9746dce81c9d64f1feac0833f10376c6639de9e126e31ffa81673217",
+        "lastblockhash" : "0xb491ce8e271b5e33b7ecd0ab0620332ef9f9a8e7b9a3f7fe3c5e4382146ca031",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d17g2v0_Constantinople" : {
+        "_info" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+            "nonce" : "0x0102030405060708",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x32e755e9a7ed3f891207a489b5b1c78d2068dc352b1729d6a43c23a3dc9c5aa8",
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+                "nonce" : "0x00",
+                "storage" : {
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+                }
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4ab",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b55",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d17g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g2v0Filler.json",
-            "sourceHash" : "d5e9f68df7b45b6b3e4145e2bb066196122af5f623a1f13b6a5c3f553c0efeb0"
+            "sourceHash" : "e84f785e6b3ffcdd7d653338ff3822279c2a04696a1e1d96b27ec31c69ea27a0"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x5cc6d9f258f5bd8311a28d1697c010f020a4f1bf1e878247b714681a812394b3",
-                    "mixHash" : "0xba0a05a9adc038548163d4ced120fa8433ecf48ff4eb752ea5c32f50ef6503de",
-                    "nonce" : "0xc559a26834c31e2e",
+                    "hash" : "0x544122c77f6358c4db810eb4965ec30556afbebecc143386d3aeaab79a2588e3",
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@@ -136,7 +247,7 @@
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0x5cc6d9f258f5bd8311a28d1697c010f020a4f1bf1e878247b714681a812394b3",
+        "lastblockhash" : "0x544122c77f6358c4db810eb4965ec30556afbebecc143386d3aeaab79a2588e3",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d17g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g2v0Filler.json",
-            "sourceHash" : "d5e9f68df7b45b6b3e4145e2bb066196122af5f623a1f13b6a5c3f553c0efeb0"
+            "sourceHash" : "e84f785e6b3ffcdd7d653338ff3822279c2a04696a1e1d96b27ec31c69ea27a0"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0xf20111eb104af6d5cca09096bec40315435a0dce3230316eb354b4af0db3dfc4",
-                    "mixHash" : "0x26e3a89ce7a907e54547ac188218d4a85924ca59817354c7f2ed84c812fdc99d",
-                    "nonce" : "0x4694667288008cb8",
+                    "hash" : "0x544122c77f6358c4db810eb4965ec30556afbebecc143386d3aeaab79a2588e3",
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@@ -244,7 +356,7 @@
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+                "rlp" : "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",
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                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xf20111eb104af6d5cca09096bec40315435a0dce3230316eb354b4af0db3dfc4",
+        "lastblockhash" : "0x544122c77f6358c4db810eb4965ec30556afbebecc143386d3aeaab79a2588e3",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g3v0.json
index 973109527..d658797b0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d17g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d17g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g3v0Filler.json",
-            "sourceHash" : "614abbf3a9b9bedce484e863487df1e46ad0a4ebb4f9a8133ed5ec21daf16c60"
+            "sourceHash" : "88ab5c92cdd5105e04ca270377d404e8cff99f0ba65b7eb457aeca660c01fd9c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4ab",
-                    "hash" : "0x15ceae713f67a77d0c346e6a13ed0524d049a768001d3a5eb631b6980997ebdf",
-                    "mixHash" : "0x9d0c78a83a318b3ea6292b02c8006f6e4e2cd2d12de054777610779b2b82ddd2",
-                    "nonce" : "0xba5f6f174dc8a2b7",
+                    "hash" : "0x08fa0e6efc06e36a9787c0cc0804ecde75c6532c150706fe73d60a0e977a8459",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x363f2bfe796b93a0441868e8e66f54a1e65f92a96ce4478bc40cb934797414d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x15ceae713f67a77d0c346e6a13ed0524d049a768001d3a5eb631b6980997ebdf",
+        "lastblockhash" : "0x08fa0e6efc06e36a9787c0cc0804ecde75c6532c150706fe73d60a0e977a8459",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d17g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g3v0Filler.json",
+            "sourceHash" : "88ab5c92cdd5105e04ca270377d404e8cff99f0ba65b7eb457aeca660c01fd9c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4ab",
+                    "hash" : "0x6ac4e2ae7cfe740b411d9275c2735a795e19ad921d1c5711da7328a31ca8fabc",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x5ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9",
+                    "stateRoot" : "0xde2ddfb1db6a1bb7e5fad605ed49adca17c9769e94e2189d8cd65faffc53a5b7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x363f2bfe796b93a0441868e8e66f54a1e65f92a96ce4478bc40cb934797414d9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0de2ddfb1db6a1bb7e5fad605ed49adca17c9769e94e2189d8cd65faffc53a5b7a0363f2bfe796b93a0441868e8e66f54a1e65f92a96ce4478bc40cb934797414d9a05ae4a8fdb97f548157a17a06af567dad59cbc6321651c09ab707c9a74c17ebc9b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082f4ab8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c4800183030d4094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010203061ca0c3d123e2ac4b7bdfb7a209c5c45a34e6dbc388eb5e35c6c7401d9be0f1a65149a00cd4cc59ca80475ab244a6386f0843df2b32195bedfbb7556d470101f0394165c0",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc3d123e2ac4b7bdfb7a209c5c45a34e6dbc388eb5e35c6c7401d9be0f1a65149",
+                        "s" : "0x0cd4cc59ca80475ab244a6386f0843df2b32195bedfbb7556d470101f0394165",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6ac4e2ae7cfe740b411d9275c2735a795e19ad921d1c5711da7328a31ca8fabc",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0200000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4ab",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b55",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d17g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g3v0Filler.json",
-            "sourceHash" : "614abbf3a9b9bedce484e863487df1e46ad0a4ebb4f9a8133ed5ec21daf16c60"
+            "sourceHash" : "88ab5c92cdd5105e04ca270377d404e8cff99f0ba65b7eb457aeca660c01fd9c"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x9dd98c84c632d8eb91eccf72035af2ee1ad9bd0e69a71842b6dedd295fcb3817",
-                    "mixHash" : "0x0317dbcc9d0350590cf4d16e5708e6b02747a804ac88f31e619e9dd3c06de465",
-                    "nonce" : "0xbbed67d588d8e832",
+                    "hash" : "0x9196aadede50f6034edb4237bc6c2152c7dc674ad706f505067590ae412bb253",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x363f2bfe796b93a0441868e8e66f54a1e65f92a96ce4478bc40cb934797414d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9dd98c84c632d8eb91eccf72035af2ee1ad9bd0e69a71842b6dedd295fcb3817",
+        "lastblockhash" : "0x9196aadede50f6034edb4237bc6c2152c7dc674ad706f505067590ae412bb253",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d17g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d17g3v0Filler.json",
-            "sourceHash" : "614abbf3a9b9bedce484e863487df1e46ad0a4ebb4f9a8133ed5ec21daf16c60"
+            "sourceHash" : "88ab5c92cdd5105e04ca270377d404e8cff99f0ba65b7eb457aeca660c01fd9c"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x4e03c39596d401f520524b32f26fed4cbac4f4b6870649ed088d791988a07af9",
-                    "mixHash" : "0x8e123ece193f9aa183fc6a11bed22c27542ee10d80c0f84cd2caa13323786daf",
-                    "nonce" : "0x494c27da4aadef1a",
+                    "hash" : "0x9196aadede50f6034edb4237bc6c2152c7dc674ad706f505067590ae412bb253",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x363f2bfe796b93a0441868e8e66f54a1e65f92a96ce4478bc40cb934797414d9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa077ff40814f6141aa095928824cc7b49d75ea86790b6dcd12162c2d6647e37ff3a0363f2bfe796b93a0441868e8e66f54a1e65f92a96ce4478bc40cb934797414d9a09155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba138203e880a08e123ece193f9aa183fc6a11bed22c27542ee10d80c0f84cd2caa13323786daf88494c27da4aadef1af8c6f8c4800183030d4094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010203061ca0c3d123e2ac4b7bdfb7a209c5c45a34e6dbc388eb5e35c6c7401d9be0f1a65149a00cd4cc59ca80475ab244a6386f0843df2b32195bedfbb7556d470101f0394165c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001020306",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4e03c39596d401f520524b32f26fed4cbac4f4b6870649ed088d791988a07af9",
+        "lastblockhash" : "0x9196aadede50f6034edb4237bc6c2152c7dc674ad706f505067590ae412bb253",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g0v0.json
index e6a81d01a..ed3cc3295 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d18g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g0v0Filler.json",
-            "sourceHash" : "4fd61dcadc5d2b6286e499d3701a1d78a9d633692ec33432772d24c7fd2832df"
+            "sourceHash" : "c0122a07506fd80b0a57fdbdb4ea382a63e85606f62d3ad6d89349aafaf2f990"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x8dcbb75dffb1df6462db9eae0296c2b6bebe4bf1d3f248dbce219bb668010589",
-                    "mixHash" : "0x9ba6a101c82fa631431e0ba7a1a4ea57e0f9c926bd8b8da467dedbd7612cbe56",
-                    "nonce" : "0xa06fa5d19759f2ad",
+                    "hash" : "0x203d5a16ab0cdb03f2514e8accedc8a2ba9ca8f0c74460b1dc234e956378b456",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5c9694fb0ac05572e26bc032fb331e47335f933cb964b1636ab653e4a050e588",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8dcbb75dffb1df6462db9eae0296c2b6bebe4bf1d3f248dbce219bb668010589",
+        "lastblockhash" : "0x203d5a16ab0cdb03f2514e8accedc8a2ba9ca8f0c74460b1dc234e956378b456",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d18g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g0v0Filler.json",
+            "sourceHash" : "c0122a07506fd80b0a57fdbdb4ea382a63e85606f62d3ad6d89349aafaf2f990"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0xe14d8c7e74e520e567226264e73b2e3b1ea23448d2ecf5d763af270e27ef4af9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x5c9694fb0ac05572e26bc032fb331e47335f933cb964b1636ab653e4a050e588",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x67ce0c885caab5c843928da798925ec2882cab9dad127e8987c91f5931894028",
+                        "s" : "0x3decc909aa3dc7c6ec3134cfdaecd9315fbe28d91684c416eb71c0684a166006",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xe14d8c7e74e520e567226264e73b2e3b1ea23448d2ecf5d763af270e27ef4af9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d18g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g0v0Filler.json",
-            "sourceHash" : "4fd61dcadc5d2b6286e499d3701a1d78a9d633692ec33432772d24c7fd2832df"
+            "sourceHash" : "c0122a07506fd80b0a57fdbdb4ea382a63e85606f62d3ad6d89349aafaf2f990"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x7694bc02a70f62ceaa7ae1374444d68c24d876b663bfcb1b0824ad33b05d5d1e",
-                    "mixHash" : "0xfbb9b131c6d299a22dab6ad7686e887534ff4ebe0632f2a21bf491863c02a81e",
-                    "nonce" : "0xc7a901b6c7e4b6bb",
+                    "hash" : "0xc8efec2e8903480155ccad6be4e079a8285e88e0f81fd08e08b6a8b618cb54e2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x5c9694fb0ac05572e26bc032fb331e47335f933cb964b1636ab653e4a050e588",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7694bc02a70f62ceaa7ae1374444d68c24d876b663bfcb1b0824ad33b05d5d1e",
+        "lastblockhash" : "0xc8efec2e8903480155ccad6be4e079a8285e88e0f81fd08e08b6a8b618cb54e2",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d18g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g0v0Filler.json",
-            "sourceHash" : "4fd61dcadc5d2b6286e499d3701a1d78a9d633692ec33432772d24c7fd2832df"
+            "sourceHash" : "c0122a07506fd80b0a57fdbdb4ea382a63e85606f62d3ad6d89349aafaf2f990"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x0b3c3f5c85872018d9da9531398f37f3c9c090b4085b3bf578370ece09835923",
-                    "mixHash" : "0x2de17e956f2f8ea41e34cd6103942fdc6433e43115b3ec5c09b28d1629d3294d",
-                    "nonce" : "0x331ffa26af73c2fb",
+                    "hash" : "0xc8efec2e8903480155ccad6be4e079a8285e88e0f81fd08e08b6a8b618cb54e2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x5c9694fb0ac05572e26bc032fb331e47335f933cb964b1636ab653e4a050e588",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0b3c3f5c85872018d9da9531398f37f3c9c090b4085b3bf578370ece09835923",
+        "lastblockhash" : "0xc8efec2e8903480155ccad6be4e079a8285e88e0f81fd08e08b6a8b618cb54e2",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g1v0.json
index df3fb2db2..fcbd28007 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d18g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g1v0Filler.json",
-            "sourceHash" : "de456422e98cfb681c18aa2db84bd009bd59b2878e082522768f77b63a923cf7"
+            "sourceHash" : "f95089a7eeb61daff1c37a59da1abd4ddba36c5b28935eb784587e77547b943e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x0939c0965c5fd643164731fd9ba08dad40bf6df5c3fe8d14d30f30931b6e8c99",
-                    "mixHash" : "0x1ac3e76e33a7644d9682725187e32639a6f4757d3041a6dafaea416f2e2eb16a",
-                    "nonce" : "0x194175d3554fd197",
+                    "hash" : "0xae9d3b1302e1e5bcb62a5a9e20707bcee1ff9a89e0d5c697b5cc919a8a33dbcb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc42c3c6c774481a3fa1a6f9e06677b33fb38cda001961f419619fd1c392321e4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0f3ea25326493a66734d45114dfdc835ecb5ae077f9d321a3a2c495bb8614d6ffa0c42c3c6c774481a3fa1a6f9e06677b33fb38cda001961f419619fd1c392321e4a052a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d38203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c4800183015f9094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203001ca09d4bf33ee0fb70fc1b3f3c6d4e215b3df601e1baaf5e1c5607729684fba07a50a01d58f58d90fc0553688105c4155e8fd5c812efe4c2bbad947d27ad1300fa94e9c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0939c0965c5fd643164731fd9ba08dad40bf6df5c3fe8d14d30f30931b6e8c99",
+        "lastblockhash" : "0xae9d3b1302e1e5bcb62a5a9e20707bcee1ff9a89e0d5c697b5cc919a8a33dbcb",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d18g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g1v0Filler.json",
+            "sourceHash" : "f95089a7eeb61daff1c37a59da1abd4ddba36c5b28935eb784587e77547b943e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x86ee7f8bf9eb0dfbb2f15cbcb0d2ce9be4c09b2a917eba4838ca8a874242a9c6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc42c3c6c774481a3fa1a6f9e06677b33fb38cda001961f419619fd1c392321e4",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x9d4bf33ee0fb70fc1b3f3c6d4e215b3df601e1baaf5e1c5607729684fba07a50",
+                        "s" : "0x1d58f58d90fc0553688105c4155e8fd5c812efe4c2bbad947d27ad1300fa94e9",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x86ee7f8bf9eb0dfbb2f15cbcb0d2ce9be4c09b2a917eba4838ca8a874242a9c6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d18g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g1v0Filler.json",
-            "sourceHash" : "de456422e98cfb681c18aa2db84bd009bd59b2878e082522768f77b63a923cf7"
+            "sourceHash" : "f95089a7eeb61daff1c37a59da1abd4ddba36c5b28935eb784587e77547b943e"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x748f10965a187361af23488b93148e4b7da72217df91ab9e8af826f35e3a7b82",
-                    "mixHash" : "0x7db86a5a47aca77bd0cda2794a0393676037db8ca22a0599dfbcced4d41b9e07",
-                    "nonce" : "0xf8a3e8ef5d2029ab",
+                    "hash" : "0x5cf6c6cef7e12b9642ed2c0fba73e9cc0dcb9cc1cdc535e561e859806fba0b99",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xc42c3c6c774481a3fa1a6f9e06677b33fb38cda001961f419619fd1c392321e4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x748f10965a187361af23488b93148e4b7da72217df91ab9e8af826f35e3a7b82",
+        "lastblockhash" : "0x5cf6c6cef7e12b9642ed2c0fba73e9cc0dcb9cc1cdc535e561e859806fba0b99",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d18g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g1v0Filler.json",
-            "sourceHash" : "de456422e98cfb681c18aa2db84bd009bd59b2878e082522768f77b63a923cf7"
+            "sourceHash" : "f95089a7eeb61daff1c37a59da1abd4ddba36c5b28935eb784587e77547b943e"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x8c8f5ae276d59d79fe3621a0113258fc77db798dfbe57a9452f2d87c9a6c06c3",
-                    "mixHash" : "0x89bdaa2be980468d1a670ae00044e42ed0a176eef3472e27c3ffbc396f8dcaf6",
-                    "nonce" : "0x9fa74d56456e1b92",
+                    "hash" : "0x5cf6c6cef7e12b9642ed2c0fba73e9cc0dcb9cc1cdc535e561e859806fba0b99",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xc42c3c6c774481a3fa1a6f9e06677b33fb38cda001961f419619fd1c392321e4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8c8f5ae276d59d79fe3621a0113258fc77db798dfbe57a9452f2d87c9a6c06c3",
+        "lastblockhash" : "0x5cf6c6cef7e12b9642ed2c0fba73e9cc0dcb9cc1cdc535e561e859806fba0b99",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g2v0.json
index 721b4d6be..9872ee7e5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d18g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g2v0Filler.json",
-            "sourceHash" : "758b72a2d22428aca755b238868c377239c2deb4f3166775a85d164f574b7e3f"
+            "sourceHash" : "0ecc6157d5ce29a582163c1c64319030cf253a918ea72f1bc02595c06f3a31b9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0x1bf531b00824e3ba3ea3dff32f77fdfa332b460f833aa06f4b7aec1d0a795c14",
-                    "mixHash" : "0xf9bc2f15761e3ce5a5a0bc4bf44a8811d5f3f5a7e536169f40310232a47c2ce1",
-                    "nonce" : "0xe9971e9faf417da7",
+                    "hash" : "0xd801efafe551bfbcdb4b95e9c0df10e7a6882ed9fd56d62df86305db18447462",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdd32fd225d62c80ec710b42c78c14c55ccaafbeeb50586deeba8786565974f54",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1bf531b00824e3ba3ea3dff32f77fdfa332b460f833aa06f4b7aec1d0a795c14",
+        "lastblockhash" : "0xd801efafe551bfbcdb4b95e9c0df10e7a6882ed9fd56d62df86305db18447462",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d18g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g2v0Filler.json",
+            "sourceHash" : "0ecc6157d5ce29a582163c1c64319030cf253a918ea72f1bc02595c06f3a31b9"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x43974d70f5d648ea0e6bb3ccfcf26600f2f2ff0c870174eb6e08d4b5437ec1a2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdd32fd225d62c80ec710b42c78c14c55ccaafbeeb50586deeba8786565974f54",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xf68bc20ebde4c30b902d1d26d1277ae36f802aaeac78940d81842bc101a361c8",
+                        "s" : "0x78d53657b18bc9f294dc75cbaa15ce9a9cf000bf881a606fe3110fac551c578a",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x43974d70f5d648ea0e6bb3ccfcf26600f2f2ff0c870174eb6e08d4b5437ec1a2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d18g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g2v0Filler.json",
-            "sourceHash" : "758b72a2d22428aca755b238868c377239c2deb4f3166775a85d164f574b7e3f"
+            "sourceHash" : "0ecc6157d5ce29a582163c1c64319030cf253a918ea72f1bc02595c06f3a31b9"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xec51cc13799c8cb7a0f4ea44c44cb085f07e55b7ab3ff3649ff20ff56f8b1683",
-                    "mixHash" : "0xa381cfef4cd8c417d1d589ac2e88d85dc3f9b493fface0b6b1e6c94d59d59d71",
-                    "nonce" : "0xd9ef290987bbd152",
+                    "hash" : "0xf8fac95c8d27c4b7cc70d08792b9c640d119ab58b2b54d86e6ac49ce031aea30",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xdd32fd225d62c80ec710b42c78c14c55ccaafbeeb50586deeba8786565974f54",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xec51cc13799c8cb7a0f4ea44c44cb085f07e55b7ab3ff3649ff20ff56f8b1683",
+        "lastblockhash" : "0xf8fac95c8d27c4b7cc70d08792b9c640d119ab58b2b54d86e6ac49ce031aea30",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d18g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g2v0Filler.json",
-            "sourceHash" : "758b72a2d22428aca755b238868c377239c2deb4f3166775a85d164f574b7e3f"
+            "sourceHash" : "0ecc6157d5ce29a582163c1c64319030cf253a918ea72f1bc02595c06f3a31b9"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xdf13a9517463a48c35e623eb3cfd5c1fb7ade629503029e73a721fb3cc4d97ad",
-                    "mixHash" : "0xd992650143ed4b6f58fd2a1ede21a6038b72747a9a7b21347227a03d939a5ace",
-                    "nonce" : "0x53dca74c24ce45be",
+                    "hash" : "0xf8fac95c8d27c4b7cc70d08792b9c640d119ab58b2b54d86e6ac49ce031aea30",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xdd32fd225d62c80ec710b42c78c14c55ccaafbeeb50586deeba8786565974f54",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdf13a9517463a48c35e623eb3cfd5c1fb7ade629503029e73a721fb3cc4d97ad",
+        "lastblockhash" : "0xf8fac95c8d27c4b7cc70d08792b9c640d119ab58b2b54d86e6ac49ce031aea30",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g3v0.json
index 621c4cf5c..deb39e935 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d18g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d18g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g3v0Filler.json",
-            "sourceHash" : "978a7194818aa2c86784744292a8e3845525c1d096cf8a3007a7bcba696311bd"
+            "sourceHash" : "46975e172e64a4e767b80a7ae53d7b84f7182878945c47ae9ba70019e1a28b13"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xe622ae7a92492ece8ee5788acfa38cda90d1653a8ee6921fac37fccb2f19c5d5",
-                    "mixHash" : "0x71ed3fbd4ad3ab7f7f475c3e1ad5298a0d63037afdfd632d4d9786f483358740",
-                    "nonce" : "0x33ca83cf9eba0e6d",
+                    "hash" : "0x9a4cecf6b6bf2001eafa9246bfe33a027dae4099ad78263aad431795d3cf13c3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x52a880139992d9beda254e496000e9759c33aca910ed71cc378957f728231eaa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf4d4898eebbd724bfd13d946dfe376b6bfe24998b6b3367e8af06bfe266c59e0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe622ae7a92492ece8ee5788acfa38cda90d1653a8ee6921fac37fccb2f19c5d5",
+        "lastblockhash" : "0x9a4cecf6b6bf2001eafa9246bfe33a027dae4099ad78263aad431795d3cf13c3",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d18g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g3v0Filler.json",
+            "sourceHash" : "46975e172e64a4e767b80a7ae53d7b84f7182878945c47ae9ba70019e1a28b13"
+        },
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+            {
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa713",
+                    "hash" : "0x1e5880839e02912721acc4fbf44b69b677749b912481be34567f93b7f0e92ce2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xc661ff8831e1a01931068ad693d1cca4b2d3c465b5cf4d18da423e28f057c9b3",
+                    "stateRoot" : "0x76aef4ab5e8979064d4dc52f3ea8f1b98369c7297890609578827401c47cca42",
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+                    "transactionsTrie" : "0xf4d4898eebbd724bfd13d946dfe376b6bfe24998b6b3367e8af06bfe266c59e0",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
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+                    {
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+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
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+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
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+                "uncleHeaders" : [
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+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1e5880839e02912721acc4fbf44b69b677749b912481be34567f93b7f0e92ce2",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a713",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ed",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d18g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g3v0Filler.json",
-            "sourceHash" : "978a7194818aa2c86784744292a8e3845525c1d096cf8a3007a7bcba696311bd"
+            "sourceHash" : "46975e172e64a4e767b80a7ae53d7b84f7182878945c47ae9ba70019e1a28b13"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xc56c2c65b12222cc421fbaa91cccfb949528c7d69498486917b3838d898b1307",
-                    "mixHash" : "0x3db16401be9f756086925ff0c09e7ec565dc174165677480022b5eeb7e2c5137",
-                    "nonce" : "0x7e83d033676bb636",
+                    "hash" : "0xfec4fdeb9c2e2eaf6c1ad904c0e80508b65bea282990229d5195f863013f24b7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xf4d4898eebbd724bfd13d946dfe376b6bfe24998b6b3367e8af06bfe266c59e0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc56c2c65b12222cc421fbaa91cccfb949528c7d69498486917b3838d898b1307",
+        "lastblockhash" : "0xfec4fdeb9c2e2eaf6c1ad904c0e80508b65bea282990229d5195f863013f24b7",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d18g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d18g3v0Filler.json",
-            "sourceHash" : "978a7194818aa2c86784744292a8e3845525c1d096cf8a3007a7bcba696311bd"
+            "sourceHash" : "46975e172e64a4e767b80a7ae53d7b84f7182878945c47ae9ba70019e1a28b13"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d3",
-                    "hash" : "0xc971a2ed515a246b2d074c34217418ed26b4655aee7fa067d20bfcb3eab4ea5c",
-                    "mixHash" : "0x8bb9998bbb8123446b4d5e3d602748aa3b0273136093c13d377e4648eda0b790",
-                    "nonce" : "0x9c33f11c370a3429",
+                    "hash" : "0xfec4fdeb9c2e2eaf6c1ad904c0e80508b65bea282990229d5195f863013f24b7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x911513d533cf50d16a0e79a9d08443e4a5b4dd928618d8f4dca6bbe02d9e83df",
@@ -243,7 +354,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc971a2ed515a246b2d074c34217418ed26b4655aee7fa067d20bfcb3eab4ea5c",
+        "lastblockhash" : "0xfec4fdeb9c2e2eaf6c1ad904c0e80508b65bea282990229d5195f863013f24b7",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g0v0.json
index fed7f5888..f5e8f385f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d19g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g0v0Filler.json",
-            "sourceHash" : "a272f0a4541d200e381e5dad245cea035967e9e300b7069b82fcf0d7eef07555"
+            "sourceHash" : "557f09866d37e51e3a8463165ed679b01ec5bdb34f5944eb68ff8fa762dbf063"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0x9a354d5832cdd992a9d2e288633ffbe4b97ae042d762eb73a6366f877d9ee7de",
-                    "mixHash" : "0x0102cc983e156b6ad27fe6483cc6c6c67fbd58f6301379ef3cc269f74d90d593",
-                    "nonce" : "0x441ed62a02c0957d",
+                    "hash" : "0x844807a47aaa56b96bff55ed8a196af1cca1e03b0d04d65c29285c0fc54bbe60",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x541727270700037846b39df3b9a62bfaa32c06e5eabbf1c83d6516097b6636ae",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc503f537e1dddb6da82b2f2294a4c8edd46f3f43c9c08d660bb41d8a81f41935",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x9a354d5832cdd992a9d2e288633ffbe4b97ae042d762eb73a6366f877d9ee7de",
+        "lastblockhash" : "0x844807a47aaa56b96bff55ed8a196af1cca1e03b0d04d65c29285c0fc54bbe60",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d19g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g0v0Filler.json",
+            "sourceHash" : "557f09866d37e51e3a8463165ed679b01ec5bdb34f5944eb68ff8fa762dbf063"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa717",
+                    "hash" : "0x8b5c77424e6574c8089c940536c3d6df9365651ba076dc43aa186e1aee44b648",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x95a527ab69114fc76046c03f45b562dbe7daba73e06251a4bbb57e791e21acb0",
+                    "stateRoot" : "0x075a3181f2cf8ce80d9626e50d0cd7500471a051f7f9c9e9d55490c6767026da",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc503f537e1dddb6da82b2f2294a4c8edd46f3f43c9c08d660bb41d8a81f41935",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xa6502a7dce37a22ffd76f12d6514b6ca6c9ffd7827abcc0e73c5335a46bd7fa4",
+                        "s" : "0x707ecaca70caf847647a6e39ee9e5d35682e97376f51564d6f385b4dc4bb7a4f",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8b5c77424e6574c8089c940536c3d6df9365651ba076dc43aa186e1aee44b648",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a717",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58e9",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d19g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g0v0Filler.json",
-            "sourceHash" : "a272f0a4541d200e381e5dad245cea035967e9e300b7069b82fcf0d7eef07555"
+            "sourceHash" : "557f09866d37e51e3a8463165ed679b01ec5bdb34f5944eb68ff8fa762dbf063"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0xdf7abb913224f7e3cf7c8edbe9ca1084282eeb981fbe320499a884257d5770d4",
-                    "mixHash" : "0x4cef9c86017856a5ff00e4e05290a291a75c929c85967d85d72a783a934786c7",
-                    "nonce" : "0xb3871e1e353a58d8",
+                    "hash" : "0x9f9f78454328466f4f559cdfcf7d0a9a54787520c6d73d802f5eba846dac134a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceaf",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xc503f537e1dddb6da82b2f2294a4c8edd46f3f43c9c08d660bb41d8a81f41935",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c7f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0a7037e2752d1ae8c183e36bb014e128a05b8c562046429ff4d91962850e04796a0c503f537e1dddb6da82b2f2294a4c8edd46f3f43c9c08d660bb41d8a81f41935a054726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceafb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d78203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c8f8c680018405f5e10094100000000000000000000000000000000000000080b864000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300001ca0a6502a7dce37a22ffd76f12d6514b6ca6c9ffd7827abcc0e73c5335a46bd7fa4a0707ecaca70caf847647a6e39ee9e5d35682e97376f51564d6f385b4dc4bb7a4fc0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdf7abb913224f7e3cf7c8edbe9ca1084282eeb981fbe320499a884257d5770d4",
+        "lastblockhash" : "0x9f9f78454328466f4f559cdfcf7d0a9a54787520c6d73d802f5eba846dac134a",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d19g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g0v0Filler.json",
-            "sourceHash" : "a272f0a4541d200e381e5dad245cea035967e9e300b7069b82fcf0d7eef07555"
+            "sourceHash" : "557f09866d37e51e3a8463165ed679b01ec5bdb34f5944eb68ff8fa762dbf063"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0x24f1d50ca05b4a012bddbd71837325a87da8cd0fb702d5884cc1bbdb9897d019",
-                    "mixHash" : "0xbd4902a009b8dd1cb6bc09be8e66a39fe39bda12dfadfd37382defe30ca8e431",
-                    "nonce" : "0xa1d2f80828ec09ab",
+                    "hash" : "0x9f9f78454328466f4f559cdfcf7d0a9a54787520c6d73d802f5eba846dac134a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceaf",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xc503f537e1dddb6da82b2f2294a4c8edd46f3f43c9c08d660bb41d8a81f41935",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x24f1d50ca05b4a012bddbd71837325a87da8cd0fb702d5884cc1bbdb9897d019",
+        "lastblockhash" : "0x9f9f78454328466f4f559cdfcf7d0a9a54787520c6d73d802f5eba846dac134a",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g1v0.json
index 4beb5428c..c380fce16 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d19g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g1v0Filler.json",
-            "sourceHash" : "17b705c81749cdff3f3f83bed0d03b0a5ac2e77765c24364fe79aed7dbf02299"
+            "sourceHash" : "b9094a694d308e86b1604bce78a5df9edf59ba95044cfe717fdda5d3e5a4203c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0x5b476e0e5dc99a9aad572031b68cd7a6f9c6db9c4ff5c572b297ba60b5b250f0",
-                    "mixHash" : "0x1a13da096961a4fa2c8ec9f30622ef0120b8b6ecf74c13446ed7800e981c38a8",
-                    "nonce" : "0x94c42a6894b493fe",
+                    "hash" : "0x2e63bc095e654cc50acda2969e50462cabe78f430200cb26fed940c6d2d59f27",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x541727270700037846b39df3b9a62bfaa32c06e5eabbf1c83d6516097b6636ae",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa31e90a7a1e192b30bfc66e027afc8c8df6707236f4ca8daad30e8ef105f6143",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x5b476e0e5dc99a9aad572031b68cd7a6f9c6db9c4ff5c572b297ba60b5b250f0",
+        "lastblockhash" : "0x2e63bc095e654cc50acda2969e50462cabe78f430200cb26fed940c6d2d59f27",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d19g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g1v0Filler.json",
+            "sourceHash" : "b9094a694d308e86b1604bce78a5df9edf59ba95044cfe717fdda5d3e5a4203c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa717",
+                    "hash" : "0x30fdc1b4e2189260c6e095feaa8ed8cd09d89af415813d493160cfe94c99b39d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x95a527ab69114fc76046c03f45b562dbe7daba73e06251a4bbb57e791e21acb0",
+                    "stateRoot" : "0x075a3181f2cf8ce80d9626e50d0cd7500471a051f7f9c9e9d55490c6767026da",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa31e90a7a1e192b30bfc66e027afc8c8df6707236f4ca8daad30e8ef105f6143",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x87a0621df1748376cd5f22fa7e1cf0d736355b773dfc57e919be047842abbfa5",
+                        "s" : "0x6d7e46642a1446fe146530d584180b4cf9e931166daa796043ce468d7915a6d7",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x30fdc1b4e2189260c6e095feaa8ed8cd09d89af415813d493160cfe94c99b39d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a717",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58e9",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d19g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g1v0Filler.json",
-            "sourceHash" : "17b705c81749cdff3f3f83bed0d03b0a5ac2e77765c24364fe79aed7dbf02299"
+            "sourceHash" : "b9094a694d308e86b1604bce78a5df9edf59ba95044cfe717fdda5d3e5a4203c"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0xd604fa832d700111fd8571b7864478ff167dacd7ec55a6961f884feb182202a9",
-                    "mixHash" : "0x61234319e08b86309edf3061f8441aca77edb6af107621f716297c94328befa0",
-                    "nonce" : "0x08dfcc0463b4b22e",
+                    "hash" : "0xca3335a9d70f4ad6a0a1854b8c99d9e80a9110886bc30a1ab8bae7dcbbe16659",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceaf",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xa31e90a7a1e192b30bfc66e027afc8c8df6707236f4ca8daad30e8ef105f6143",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0a7037e2752d1ae8c183e36bb014e128a05b8c562046429ff4d91962850e04796a0a31e90a7a1e192b30bfc66e027afc8c8df6707236f4ca8daad30e8ef105f6143a054726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceafb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d78203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c5800183015f9094100000000000000000000000000000000000000080b864000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300001ca087a0621df1748376cd5f22fa7e1cf0d736355b773dfc57e919be047842abbfa5a06d7e46642a1446fe146530d584180b4cf9e931166daa796043ce468d7915a6d7c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd604fa832d700111fd8571b7864478ff167dacd7ec55a6961f884feb182202a9",
+        "lastblockhash" : "0xca3335a9d70f4ad6a0a1854b8c99d9e80a9110886bc30a1ab8bae7dcbbe16659",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d19g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g1v0Filler.json",
-            "sourceHash" : "17b705c81749cdff3f3f83bed0d03b0a5ac2e77765c24364fe79aed7dbf02299"
+            "sourceHash" : "b9094a694d308e86b1604bce78a5df9edf59ba95044cfe717fdda5d3e5a4203c"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0x70d8983264bc548c9c3cfa93b93512e3c9d2693ef70cf9d35ff1cec3e34d55cc",
-                    "mixHash" : "0x629b63610fa7e65a74cc60285221d03683eb855f49e57073e48e5b8196fdf8b0",
-                    "nonce" : "0x550a887f3af6e7ea",
+                    "hash" : "0xca3335a9d70f4ad6a0a1854b8c99d9e80a9110886bc30a1ab8bae7dcbbe16659",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceaf",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xa31e90a7a1e192b30bfc66e027afc8c8df6707236f4ca8daad30e8ef105f6143",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x70d8983264bc548c9c3cfa93b93512e3c9d2693ef70cf9d35ff1cec3e34d55cc",
+        "lastblockhash" : "0xca3335a9d70f4ad6a0a1854b8c99d9e80a9110886bc30a1ab8bae7dcbbe16659",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g2v0.json
index b0741e781..f3150a1b5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d19g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g2v0Filler.json",
-            "sourceHash" : "08f768c3ef24a8a1e0597b0bec7076e17f4e6501167e27d852ed3be635ce24f9"
+            "sourceHash" : "fd4a638ba822b2433baeb4d5fd45d86ca0cda0d2717c81ac9fbdb3ae06792641"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0x9d3b53a65ddcca2cfe623788f6f1ee18e9f4f170a598db9117c2d1f71eb75871",
-                    "mixHash" : "0x13472375a77319724d7286ac1feeb8c15770bfcc5e154d3010ff31786cdf3334",
-                    "nonce" : "0x82ef8e6f0843fb0a",
+                    "hash" : "0x6531faa4d87847387ea3457b5ce8f9057713e266f240ee6a3db1f3fb74d6da21",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x541727270700037846b39df3b9a62bfaa32c06e5eabbf1c83d6516097b6636ae",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xb132c042c78e278d10df6ce81148564581a54f922b3a883ae3e41db0a1d2471e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x9d3b53a65ddcca2cfe623788f6f1ee18e9f4f170a598db9117c2d1f71eb75871",
+        "lastblockhash" : "0x6531faa4d87847387ea3457b5ce8f9057713e266f240ee6a3db1f3fb74d6da21",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d19g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g2v0Filler.json",
+            "sourceHash" : "fd4a638ba822b2433baeb4d5fd45d86ca0cda0d2717c81ac9fbdb3ae06792641"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa717",
+                    "hash" : "0x667b5037dd12cc208df59f1a171a029f2c993319c10c49252a8f9cc84a00e96c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x95a527ab69114fc76046c03f45b562dbe7daba73e06251a4bbb57e791e21acb0",
+                    "stateRoot" : "0x075a3181f2cf8ce80d9626e50d0cd7500471a051f7f9c9e9d55490c6767026da",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xb132c042c78e278d10df6ce81148564581a54f922b3a883ae3e41db0a1d2471e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xd42d5d6ca5e01fb5fd84e86087bdb97396cf8118090cb0f95de98c8aeec9c36c",
+                        "s" : "0x6fe3fb41ef4da142f8c7d508fde2cd85455bded8431d6d13b4338f80253acab6",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x667b5037dd12cc208df59f1a171a029f2c993319c10c49252a8f9cc84a00e96c",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a717",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58e9",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d19g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g2v0Filler.json",
-            "sourceHash" : "08f768c3ef24a8a1e0597b0bec7076e17f4e6501167e27d852ed3be635ce24f9"
+            "sourceHash" : "fd4a638ba822b2433baeb4d5fd45d86ca0cda0d2717c81ac9fbdb3ae06792641"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0xf02035869c2bee8984da548e18fa686d540a087216227ae49bd0753e71876f8e",
-                    "mixHash" : "0xc8ab458471758c1286bdcdba28064a3ebc9b0e731282e90ae8dc0c868e2fcc03",
-                    "nonce" : "0x1eec0aa084a2f677",
+                    "hash" : "0x5d1419f46f79af74cdcaeb1d34d6ac252531b056e9d02410e4a8aefba8214a25",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceaf",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xb132c042c78e278d10df6ce81148564581a54f922b3a883ae3e41db0a1d2471e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0a7037e2752d1ae8c183e36bb014e128a05b8c562046429ff4d91962850e04796a0b132c042c78e278d10df6ce81148564581a54f922b3a883ae3e41db0a1d2471ea054726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceafb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9d78203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c580018301adb094100000000000000000000000000000000000000080b864000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002020300001ca0d42d5d6ca5e01fb5fd84e86087bdb97396cf8118090cb0f95de98c8aeec9c36ca06fe3fb41ef4da142f8c7d508fde2cd85455bded8431d6d13b4338f80253acab6c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf02035869c2bee8984da548e18fa686d540a087216227ae49bd0753e71876f8e",
+        "lastblockhash" : "0x5d1419f46f79af74cdcaeb1d34d6ac252531b056e9d02410e4a8aefba8214a25",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d19g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g2v0Filler.json",
-            "sourceHash" : "08f768c3ef24a8a1e0597b0bec7076e17f4e6501167e27d852ed3be635ce24f9"
+            "sourceHash" : "fd4a638ba822b2433baeb4d5fd45d86ca0cda0d2717c81ac9fbdb3ae06792641"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0x2ce8193b95b6b9ba42d44a10a02ac0dbb71def2583e7136e2be2f5c675394af0",
-                    "mixHash" : "0x4705f9324c1d25bc4d66c4d3ed8ef173bf053055083b993b3813409d919ea3c7",
-                    "nonce" : "0xbe8a7561c578e3ea",
+                    "hash" : "0x5d1419f46f79af74cdcaeb1d34d6ac252531b056e9d02410e4a8aefba8214a25",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceaf",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xb132c042c78e278d10df6ce81148564581a54f922b3a883ae3e41db0a1d2471e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2ce8193b95b6b9ba42d44a10a02ac0dbb71def2583e7136e2be2f5c675394af0",
+        "lastblockhash" : "0x5d1419f46f79af74cdcaeb1d34d6ac252531b056e9d02410e4a8aefba8214a25",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g3v0.json
index 91f610e9d..18d90c1c0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d19g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d19g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g3v0Filler.json",
-            "sourceHash" : "29ffd5916917246c9c50ca738131bcf71e4e8562e377fba65cc7d6193f7d2953"
+            "sourceHash" : "a924cc351f8815ca5498023db4e08435fcabd48b8a8cb4b53782c8742236bfe0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0xe2e9de7b78fdd3bec883603603e9015f137badb530123e23176abca84abb35ab",
-                    "mixHash" : "0x9ddb7e6441a29d02c8b557a75daa65fd4172543b921e5c23e065ea66fb79f356",
-                    "nonce" : "0xbcab31184de9bfbd",
+                    "hash" : "0x0a85cd9b8628befe0a5685408cfa615ee89a8dcbd518639875c75044e653575b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x541727270700037846b39df3b9a62bfaa32c06e5eabbf1c83d6516097b6636ae",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf5b9c69908ac8cae26ab8a9e5c32b91bbbac888441f8a0bb21f6f048a22e9042",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe2e9de7b78fdd3bec883603603e9015f137badb530123e23176abca84abb35ab",
+        "lastblockhash" : "0x0a85cd9b8628befe0a5685408cfa615ee89a8dcbd518639875c75044e653575b",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d19g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g3v0Filler.json",
+            "sourceHash" : "a924cc351f8815ca5498023db4e08435fcabd48b8a8cb4b53782c8742236bfe0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa717",
+                    "hash" : "0x6792677e6870b6bd57bf36ad75e46fd3b632601f9b9a5b61f65e27d966c73a82",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x95a527ab69114fc76046c03f45b562dbe7daba73e06251a4bbb57e791e21acb0",
+                    "stateRoot" : "0x075a3181f2cf8ce80d9626e50d0cd7500471a051f7f9c9e9d55490c6767026da",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf5b9c69908ac8cae26ab8a9e5c32b91bbbac888441f8a0bb21f6f048a22e9042",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x39c8fbce82d9f556592f57e9a0b06b31ae44882b8212ed3112732262f76a65d5",
+                        "s" : "0x0f3b9f6f2e719b9d43411170fcc472c776569f9e52ebc9b4728a07b9b46a4cde",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6792677e6870b6bd57bf36ad75e46fd3b632601f9b9a5b61f65e27d966c73a82",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a717",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58e9",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d19g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g3v0Filler.json",
-            "sourceHash" : "29ffd5916917246c9c50ca738131bcf71e4e8562e377fba65cc7d6193f7d2953"
+            "sourceHash" : "a924cc351f8815ca5498023db4e08435fcabd48b8a8cb4b53782c8742236bfe0"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0x8541432c6f2456ed73c62cd06ecb295aa1c0833a19d91031d7270662b78231a4",
-                    "mixHash" : "0x388dc7e388b171e4c2b1f9f30b594577064f0e24bf37aefea0d6b73b45bf4a28",
-                    "nonce" : "0x95958cf9e5e2c354",
+                    "hash" : "0x0946adb9759fa30001af5a3642cebc9d4712d2eba5b38f6699eeda8fb9356b3f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceaf",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xf5b9c69908ac8cae26ab8a9e5c32b91bbbac888441f8a0bb21f6f048a22e9042",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8541432c6f2456ed73c62cd06ecb295aa1c0833a19d91031d7270662b78231a4",
+        "lastblockhash" : "0x0946adb9759fa30001af5a3642cebc9d4712d2eba5b38f6699eeda8fb9356b3f",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d19g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d19g3v0Filler.json",
-            "sourceHash" : "29ffd5916917246c9c50ca738131bcf71e4e8562e377fba65cc7d6193f7d2953"
+            "sourceHash" : "a924cc351f8815ca5498023db4e08435fcabd48b8a8cb4b53782c8742236bfe0"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d7",
-                    "hash" : "0x13c12797bbbc9249dcdf8c9e5d01f6ce9b611243745fdd53a761599bd3084d39",
-                    "mixHash" : "0x6e04c7a63f483d355dea31652037ba23727d5a94f687bf5f53649be2dead64de",
-                    "nonce" : "0x7d41fe486a440e26",
+                    "hash" : "0x0946adb9759fa30001af5a3642cebc9d4712d2eba5b38f6699eeda8fb9356b3f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54726bf38ddf89fb56fa7a29ae4b101e1de19f31f616045beb3411b2f133ceaf",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xf5b9c69908ac8cae26ab8a9e5c32b91bbbac888441f8a0bb21f6f048a22e9042",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202030000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x13c12797bbbc9249dcdf8c9e5d01f6ce9b611243745fdd53a761599bd3084d39",
+        "lastblockhash" : "0x0946adb9759fa30001af5a3642cebc9d4712d2eba5b38f6699eeda8fb9356b3f",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g0v0.json
index dfab9672d..20505abb7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d1g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g0v0Filler.json",
-            "sourceHash" : "00b931b3bb147ce843c31b47282977c73c2644cd58f75fd2e1dff2d6214a2c1f"
+            "sourceHash" : "69315c05f553087dafa7b7d72c9030db349c047a67cd6f0ddc5cf0200f357a79"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfd0a",
-                    "hash" : "0x39bfd6f681d26327ef79cea05e4902eecd3be1862277c77c0ff0168baacdd0ab",
-                    "mixHash" : "0xc9cddca643440fd439532a4e00f48ce6acb822b7b610c6cdedbd56f8e0fd9bc9",
-                    "nonce" : "0x252dae61f46fcffd",
+                    "hash" : "0xa93d0da8a13f01e9f87c25829808342f64a9b9e85655c011b9f8ce6f938ad10b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe1f20f5f5099b2ad06e03c9619c575c7db2fefeb4d80f0cb103224f59c65a3e0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xb34d942cc39b2202b860146b49c1a5d038ee348e7f5871d4294fb3a7aa3a7fd4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x39bfd6f681d26327ef79cea05e4902eecd3be1862277c77c0ff0168baacdd0ab",
+        "lastblockhash" : "0xa93d0da8a13f01e9f87c25829808342f64a9b9e85655c011b9f8ce6f938ad10b",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d1g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g0v0Filler.json",
+            "sourceHash" : "69315c05f553087dafa7b7d72c9030db349c047a67cd6f0ddc5cf0200f357a79"
+        },
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+            {
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xea4a",
+                    "hash" : "0x41b68e4e0f49a8522d8ecf57fa2d55bb45a807278d51e38eac417feae36850bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xb973a1e3f00ab130fd41d9da0058736515ece7591dd6834bde1420760534bd8b",
+                    "stateRoot" : "0xe6ef46dd83a4eb6f9b3f5d239a3c3d21eb423e1a3c1394016b6cbc3809b48ed9",
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+                    "transactionsTrie" : "0xb34d942cc39b2202b860146b49c1a5d038ee348e7f5871d4294fb3a7aa3a7fd4",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
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+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x46cbcd6fce1ea976e64ac5b3ad08048d9b7039d87731a6fb634482310b482f44",
+                        "s" : "0x57c2a7f523f05e13181c8f912fa4d345110c08d3798d2e331b5d6cd2cb533c8f",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x41b68e4e0f49a8522d8ecf57fa2d55bb45a807278d51e38eac417feae36850bf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8ea4a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f15b6",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d1g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g0v0Filler.json",
-            "sourceHash" : "00b931b3bb147ce843c31b47282977c73c2644cd58f75fd2e1dff2d6214a2c1f"
+            "sourceHash" : "69315c05f553087dafa7b7d72c9030db349c047a67cd6f0ddc5cf0200f357a79"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca0a",
-                    "hash" : "0x7cc58362ffed475fe636ecb5283ae3a0cc004c3f34f442ec48e7b44263778fa7",
-                    "mixHash" : "0xf1047db93bffb6fe1f6f7fe8590632e5cf43ad7b6ef130f8c147172215784e9e",
-                    "nonce" : "0xb9a20cabd3e75f65",
+                    "hash" : "0xb46d83c9db4101cd94b6ae83c2dc204ba4bc299df3e2edb55fc38e3bfa3de108",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcd",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xb34d942cc39b2202b860146b49c1a5d038ee348e7f5871d4294fb3a7aa3a7fd4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90305f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa00dfb58c06c432b240c9d1de2c3a0acaf8ede493cd0c2a674083bed81bd22cdd5a0b34d942cc39b2202b860146b49c1a5d038ee348e7f5871d4294fb3a7aa3a7fd4a06579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcdb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ca0a8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90105f9010280018405f5e10094100000000000000000000000000000000000000080b8a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f1ba046cbcd6fce1ea976e64ac5b3ad08048d9b7039d87731a6fb634482310b482f44a057c2a7f523f05e13181c8f912fa4d345110c08d3798d2e331b5d6cd2cb533c8fc0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7cc58362ffed475fe636ecb5283ae3a0cc004c3f34f442ec48e7b44263778fa7",
+        "lastblockhash" : "0xb46d83c9db4101cd94b6ae83c2dc204ba4bc299df3e2edb55fc38e3bfa3de108",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d1g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g0v0Filler.json",
-            "sourceHash" : "00b931b3bb147ce843c31b47282977c73c2644cd58f75fd2e1dff2d6214a2c1f"
+            "sourceHash" : "69315c05f553087dafa7b7d72c9030db349c047a67cd6f0ddc5cf0200f357a79"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca0a",
-                    "hash" : "0x2f296fd816f4b109c0fad1131ef416f659b7b449c01bb3b0456c0d85e8d5e81f",
-                    "mixHash" : "0x103b9979881a141eeb727214c6b32cf891214f7f14c4117105a020303fcbb986",
-                    "nonce" : "0x1b2a133f9cdcc892",
+                    "hash" : "0xb46d83c9db4101cd94b6ae83c2dc204ba4bc299df3e2edb55fc38e3bfa3de108",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcd",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xb34d942cc39b2202b860146b49c1a5d038ee348e7f5871d4294fb3a7aa3a7fd4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2f296fd816f4b109c0fad1131ef416f659b7b449c01bb3b0456c0d85e8d5e81f",
+        "lastblockhash" : "0xb46d83c9db4101cd94b6ae83c2dc204ba4bc299df3e2edb55fc38e3bfa3de108",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g1v0.json
index a7bdd1775..fc6a08f5e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d1g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g1v0Filler.json",
-            "sourceHash" : "e7189705d59feb90f4000d952c71bae2a54b0bb5f3dc12ab4d3a7f5f4158c382"
+            "sourceHash" : "ea43dfd03cea1b9e93ecf4f65fe9cabaeeea8428684ebff1cac7ca1a52033459"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfd0a",
-                    "hash" : "0x1e1d4cf0994ce034f6cc59924a3cd171c2c28b6cb8315bb8aded6e39c67254a5",
-                    "mixHash" : "0x840b3f44671c18785212353e888669d63fe46f8c5495bae850c02c14d84286eb",
-                    "nonce" : "0x2fa176b4f9f3cea9",
+                    "hash" : "0xe9d4114b966448ff2157d6e0670ee867eba2ea39a0cf8a9d565f25fd3325331d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe1f20f5f5099b2ad06e03c9619c575c7db2fefeb4d80f0cb103224f59c65a3e0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x25c728d3b4f4ee71f6b2c158441bc05ad06d023a5141613ea33e15f272a04e7a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90304f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0091ede07f617c91f5c64f68c15b467e91c9475707e8e63d8d1dc7b7602a9143ba025c728d3b4f4ee71f6b2c158441bc05ad06d023a5141613ea33e15f272a04e7aa0e1f20f5f5099b2ad06e03c9619c575c7db2fefeb4d80f0cb103224f59c65a3e0b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082fd0a8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90104f90101800183015f9094100000000000000000000000000000000000000080b8a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f1ca02d9f347821f0414bbb2a52fb8889731584fc69ece5bc20b0cd284b784c1746d5a00d3d15177ec1deaf5c7bb6968a43f180fd4e3faf6774f990d0a7fdecc81c433ac0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1e1d4cf0994ce034f6cc59924a3cd171c2c28b6cb8315bb8aded6e39c67254a5",
+        "lastblockhash" : "0xe9d4114b966448ff2157d6e0670ee867eba2ea39a0cf8a9d565f25fd3325331d",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d1g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g1v0Filler.json",
+            "sourceHash" : "ea43dfd03cea1b9e93ecf4f65fe9cabaeeea8428684ebff1cac7ca1a52033459"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xea4a",
+                    "hash" : "0x302f78055d2ffcdae0fa7528814744358b16554d30288b9601e619e24765ee5d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xb973a1e3f00ab130fd41d9da0058736515ece7591dd6834bde1420760534bd8b",
+                    "stateRoot" : "0xe6ef46dd83a4eb6f9b3f5d239a3c3d21eb423e1a3c1394016b6cbc3809b48ed9",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x25c728d3b4f4ee71f6b2c158441bc05ad06d023a5141613ea33e15f272a04e7a",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x2d9f347821f0414bbb2a52fb8889731584fc69ece5bc20b0cd284b784c1746d5",
+                        "s" : "0x0d3d15177ec1deaf5c7bb6968a43f180fd4e3faf6774f990d0a7fdecc81c433a",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x302f78055d2ffcdae0fa7528814744358b16554d30288b9601e619e24765ee5d",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8ea4a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f15b6",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d1g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g1v0Filler.json",
-            "sourceHash" : "e7189705d59feb90f4000d952c71bae2a54b0bb5f3dc12ab4d3a7f5f4158c382"
+            "sourceHash" : "ea43dfd03cea1b9e93ecf4f65fe9cabaeeea8428684ebff1cac7ca1a52033459"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca0a",
-                    "hash" : "0x21576b0837c4bedde7c073aad39546affb9203ceacc527e3c7ad72247b4d5ef1",
-                    "mixHash" : "0x782bae980e2dccff3718514581c29ad55bf9e24fcdea0bc7457d3a8242f7c847",
-                    "nonce" : "0x9b391e365337ae16",
+                    "hash" : "0xa57834618d382c6ffd6d50de779b72c4174b96f2c7d6cccb7946ef7eae378f44",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcd",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x25c728d3b4f4ee71f6b2c158441bc05ad06d023a5141613ea33e15f272a04e7a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x21576b0837c4bedde7c073aad39546affb9203ceacc527e3c7ad72247b4d5ef1",
+        "lastblockhash" : "0xa57834618d382c6ffd6d50de779b72c4174b96f2c7d6cccb7946ef7eae378f44",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d1g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g1v0Filler.json",
-            "sourceHash" : "e7189705d59feb90f4000d952c71bae2a54b0bb5f3dc12ab4d3a7f5f4158c382"
+            "sourceHash" : "ea43dfd03cea1b9e93ecf4f65fe9cabaeeea8428684ebff1cac7ca1a52033459"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca0a",
-                    "hash" : "0xd7c97ff2f8c062983ebcad3bf90f35a3ef72ec688c3bc8767f3ca30e4039e289",
-                    "mixHash" : "0xaca5ffdcb7600a9d70f30237b45a1a7885269e4d361ab7556ae7a6fa00b13932",
-                    "nonce" : "0xb2ab5f3f284b5084",
+                    "hash" : "0xa57834618d382c6ffd6d50de779b72c4174b96f2c7d6cccb7946ef7eae378f44",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcd",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x25c728d3b4f4ee71f6b2c158441bc05ad06d023a5141613ea33e15f272a04e7a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd7c97ff2f8c062983ebcad3bf90f35a3ef72ec688c3bc8767f3ca30e4039e289",
+        "lastblockhash" : "0xa57834618d382c6ffd6d50de779b72c4174b96f2c7d6cccb7946ef7eae378f44",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g2v0.json
index 24381d6cc..402da4925 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d1g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g2v0Filler.json",
-            "sourceHash" : "2c366dc7c3d119b2384998b9a733c83691d98925b0abf1de6646dfc6583ebba1"
+            "sourceHash" : "c3f76908ab83e424d26acbf852d5549ecd4cf2a63de3207bbcda9e9a611eade6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfd0a",
-                    "hash" : "0xc33874dff1eeb7af012778580b03d3a99a6022d3a051ea679e21e1e35377ff8a",
-                    "mixHash" : "0x0f50aeba9df838cb8154f0e2d45edfb2aca883a6075c69f337a15003ff26fee4",
-                    "nonce" : "0x771531fcd6ad6ddb",
+                    "hash" : "0x6598b4f546fd1d52088c6cc6c9e7844fc18bf0d09b8c6ad414378d1c87e5e55a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe1f20f5f5099b2ad06e03c9619c575c7db2fefeb4d80f0cb103224f59c65a3e0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa088632d47c29811dbeb7b91976002e490244fee6cc5eed77901362c312278a1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf90304f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0091ede07f617c91f5c64f68c15b467e91c9475707e8e63d8d1dc7b7602a9143ba0a088632d47c29811dbeb7b91976002e490244fee6cc5eed77901362c312278a1a0e1f20f5f5099b2ad06e03c9619c575c7db2fefeb4d80f0cb103224f59c65a3e0b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082fd0a8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90104f9010180018301adb094100000000000000000000000000000000000000080b8a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f1ca0619d0f3273b3a01af646904a8d8971532fd6afe47251843ce1bae6103b31a0bfa006d4749e4b1af4ed883ccc24dfb8027b4bc6a6cd592ca09787d3a718cdc4d0c9c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc33874dff1eeb7af012778580b03d3a99a6022d3a051ea679e21e1e35377ff8a",
+        "lastblockhash" : "0x6598b4f546fd1d52088c6cc6c9e7844fc18bf0d09b8c6ad414378d1c87e5e55a",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d1g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g2v0Filler.json",
+            "sourceHash" : "c3f76908ab83e424d26acbf852d5549ecd4cf2a63de3207bbcda9e9a611eade6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xea4a",
+                    "hash" : "0x4c2f5f597641fc05428a4d6ffe278bdab9ca651f3dd3d7ee05a4afb625e8fb4a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xb973a1e3f00ab130fd41d9da0058736515ece7591dd6834bde1420760534bd8b",
+                    "stateRoot" : "0xe6ef46dd83a4eb6f9b3f5d239a3c3d21eb423e1a3c1394016b6cbc3809b48ed9",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa088632d47c29811dbeb7b91976002e490244fee6cc5eed77901362c312278a1",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90304f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0e6ef46dd83a4eb6f9b3f5d239a3c3d21eb423e1a3c1394016b6cbc3809b48ed9a0a088632d47c29811dbeb7b91976002e490244fee6cc5eed77901362c312278a1a0b973a1e3f00ab130fd41d9da0058736515ece7591dd6834bde1420760534bd8bb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ea4a8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90104f9010180018301adb094100000000000000000000000000000000000000080b8a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f1ca0619d0f3273b3a01af646904a8d8971532fd6afe47251843ce1bae6103b31a0bfa006d4749e4b1af4ed883ccc24dfb8027b4bc6a6cd592ca09787d3a718cdc4d0c9c0",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x619d0f3273b3a01af646904a8d8971532fd6afe47251843ce1bae6103b31a0bf",
+                        "s" : "0x06d4749e4b1af4ed883ccc24dfb8027b4bc6a6cd592ca09787d3a718cdc4d0c9",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4c2f5f597641fc05428a4d6ffe278bdab9ca651f3dd3d7ee05a4afb625e8fb4a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8ea4a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f15b6",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d1g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g2v0Filler.json",
-            "sourceHash" : "2c366dc7c3d119b2384998b9a733c83691d98925b0abf1de6646dfc6583ebba1"
+            "sourceHash" : "c3f76908ab83e424d26acbf852d5549ecd4cf2a63de3207bbcda9e9a611eade6"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca0a",
-                    "hash" : "0x22f574ce7ea5104497a624220ceaafbdd4dceee7212c23de74a783ffaf995630",
-                    "mixHash" : "0xe110ea3acbdb79719da2d16ed70ced51ca832deeff4d12ca63cfe843ac990e7f",
-                    "nonce" : "0x46bf9beca33c6118",
+                    "hash" : "0xd92854090a05e939be5d6be354c8f9bb24df469bf16c4f5d2d4e460be11395c2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcd",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xa088632d47c29811dbeb7b91976002e490244fee6cc5eed77901362c312278a1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x22f574ce7ea5104497a624220ceaafbdd4dceee7212c23de74a783ffaf995630",
+        "lastblockhash" : "0xd92854090a05e939be5d6be354c8f9bb24df469bf16c4f5d2d4e460be11395c2",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d1g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g2v0Filler.json",
-            "sourceHash" : "2c366dc7c3d119b2384998b9a733c83691d98925b0abf1de6646dfc6583ebba1"
+            "sourceHash" : "c3f76908ab83e424d26acbf852d5549ecd4cf2a63de3207bbcda9e9a611eade6"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca0a",
-                    "hash" : "0x11d9905a7d2af0f1d8510ff8616df84e89058cc518adbeb929933d720d8b8e55",
-                    "mixHash" : "0x74c996e284200129a494f9e4c092d9dcc7c7e1f6abb15cc325241a507aecb521",
-                    "nonce" : "0xf29321ce5f2e6f1d",
+                    "hash" : "0xd92854090a05e939be5d6be354c8f9bb24df469bf16c4f5d2d4e460be11395c2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcd",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xa088632d47c29811dbeb7b91976002e490244fee6cc5eed77901362c312278a1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x11d9905a7d2af0f1d8510ff8616df84e89058cc518adbeb929933d720d8b8e55",
+        "lastblockhash" : "0xd92854090a05e939be5d6be354c8f9bb24df469bf16c4f5d2d4e460be11395c2",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g3v0.json
index 5b1e8d74e..a750cae50 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d1g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d1g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g3v0Filler.json",
-            "sourceHash" : "dfe31388a0debb42d177dedcbf5976f714eda217f4d4144ebf7b08d268f1f63d"
+            "sourceHash" : "0b5f359b2ca447f3990339c38689eb61193352961f4b7c8c5db5b93335e4d2a7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfd0a",
-                    "hash" : "0x964d531b09b1ad4dd2cc2ed107a6907522d5e6a131c8c27e8d2e79d9bd34b697",
-                    "mixHash" : "0xdc646e7d57a792febc70e060234f0b7f41cf659873c3acd0f0fffb5bc00b09ac",
-                    "nonce" : "0xc524de9cb0a8efe8",
+                    "hash" : "0x74e31658c6bf7e9bde0db1ccd07e663350ff19938cdd71cb04e057e76e2bc0b9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe1f20f5f5099b2ad06e03c9619c575c7db2fefeb4d80f0cb103224f59c65a3e0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf77d6883277a28a027eb98194942899ad9536b579dc2388863b49559de23122d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x964d531b09b1ad4dd2cc2ed107a6907522d5e6a131c8c27e8d2e79d9bd34b697",
+        "lastblockhash" : "0x74e31658c6bf7e9bde0db1ccd07e663350ff19938cdd71cb04e057e76e2bc0b9",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d1g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g3v0Filler.json",
+            "sourceHash" : "0b5f359b2ca447f3990339c38689eb61193352961f4b7c8c5db5b93335e4d2a7"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xea4a",
+                    "hash" : "0xa31cb3b1e12d885a06bffab3b4fc65ee72eae9c19663fb2a4e4a161bafaa2e24",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xb973a1e3f00ab130fd41d9da0058736515ece7591dd6834bde1420760534bd8b",
+                    "stateRoot" : "0xe6ef46dd83a4eb6f9b3f5d239a3c3d21eb423e1a3c1394016b6cbc3809b48ed9",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf77d6883277a28a027eb98194942899ad9536b579dc2388863b49559de23122d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x58242ad5d9a2baebb942199e3447250a8661261de23a047eed4d1feae4eeef84",
+                        "s" : "0x25995560c7ed24e341a3597626948a2c57788954b38b0f382be4916268a51053",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa31cb3b1e12d885a06bffab3b4fc65ee72eae9c19663fb2a4e4a161bafaa2e24",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8ea4a",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f15b6",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d1g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g3v0Filler.json",
-            "sourceHash" : "dfe31388a0debb42d177dedcbf5976f714eda217f4d4144ebf7b08d268f1f63d"
+            "sourceHash" : "0b5f359b2ca447f3990339c38689eb61193352961f4b7c8c5db5b93335e4d2a7"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca0a",
-                    "hash" : "0x25a2c03ae3fd7e4c803252139d89a9b6fe48b1bccf28c5b7045ae0f95bb87df2",
-                    "mixHash" : "0xf234afd6b792c4536ffe7141d76199ba9e3fd52f9f5731a9dbd0f09092616a64",
-                    "nonce" : "0x32ff64f6aef82ede",
+                    "hash" : "0xc46e3d7b6a48cdb9498e18aab2fe873c3da54d2c8dfa679c27dfe020649e9f2e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcd",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xf77d6883277a28a027eb98194942899ad9536b579dc2388863b49559de23122d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x25a2c03ae3fd7e4c803252139d89a9b6fe48b1bccf28c5b7045ae0f95bb87df2",
+        "lastblockhash" : "0xc46e3d7b6a48cdb9498e18aab2fe873c3da54d2c8dfa679c27dfe020649e9f2e",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d1g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d1g3v0Filler.json",
-            "sourceHash" : "dfe31388a0debb42d177dedcbf5976f714eda217f4d4144ebf7b08d268f1f63d"
+            "sourceHash" : "0b5f359b2ca447f3990339c38689eb61193352961f4b7c8c5db5b93335e4d2a7"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca0a",
-                    "hash" : "0x8da9bb614045324a45bdc82c5aab91c3bbe29f27f74e0f9de7d3c60cdf7a8999",
-                    "mixHash" : "0x7ed8723c62a2de6fef32d393cccd59ae77c8b124671fb6a59e2d9aaa7b96fead",
-                    "nonce" : "0x44548ceeaa78bfc3",
+                    "hash" : "0xc46e3d7b6a48cdb9498e18aab2fe873c3da54d2c8dfa679c27dfe020649e9f2e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6579a0d7bd16c2b74faa7881c7bb8221b36ba269b96e9d4803574ac566551fcd",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xf77d6883277a28a027eb98194942899ad9536b579dc2388863b49559de23122d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2efffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8da9bb614045324a45bdc82c5aab91c3bbe29f27f74e0f9de7d3c60cdf7a8999",
+        "lastblockhash" : "0xc46e3d7b6a48cdb9498e18aab2fe873c3da54d2c8dfa679c27dfe020649e9f2e",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g0v0.json
index 53efe664a..f7986b168 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d20g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g0v0Filler.json",
-            "sourceHash" : "e1b36d1975c76b775abb95d9f92517dcb6d8724971e47214f92a2d2cdae0d104"
+            "sourceHash" : "f9470c3fec0c23f1550f89404b435cfb6903595d2865f69b3032023f82bd4a4f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x7c0447c35f8139a3722b7d4b6a477339ca7a5bc9ce4a6631508a6794ccecac6f",
-                    "mixHash" : "0xbe54bee85fe02420a2148a96664ee5b766be578da8cd61916e36ab278a41fc63",
-                    "nonce" : "0xe5ebeba166ed80f3",
+                    "hash" : "0xd7880fe6fed9e3b233ca52c2712107ecbe401ba9bdad439983df6d6b9a5ed1f7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
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@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8847fb21b363f84660eea3b2dfad7d5e406c99a54ea525c79f9168896194d383",
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+                "rlp" : "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",
                 "transactions" : [
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                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x7c0447c35f8139a3722b7d4b6a477339ca7a5bc9ce4a6631508a6794ccecac6f",
+        "lastblockhash" : "0xd7880fe6fed9e3b233ca52c2712107ecbe401ba9bdad439983df6d6b9a5ed1f7",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d20g0v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
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+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x832258d8fa886f9ba831a675a26db6c2f78c82e84f41db01a3287b2c6eb69d0b",
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+                "nonce" : "0x00",
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+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a70f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58f1",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d20g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g0v0Filler.json",
-            "sourceHash" : "e1b36d1975c76b775abb95d9f92517dcb6d8724971e47214f92a2d2cdae0d104"
+            "sourceHash" : "f9470c3fec0c23f1550f89404b435cfb6903595d2865f69b3032023f82bd4a4f"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xd65d97cba0d6633db7bd52d6bc87fb9f16b40835c9ad1ac7945d98ea9fd86515",
-                    "mixHash" : "0xbfb01a71fad7178f20313dd639eaa9dbc2ed8e5030403eea05bd839e0a0041f0",
-                    "nonce" : "0x9c65f1917b5ca50c",
+                    "hash" : "0x74c4cbb85142740c6dc59731a98d71908cde77043d4ee88772dd028196e10c7e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
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@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x8847fb21b363f84660eea3b2dfad7d5e406c99a54ea525c79f9168896194d383",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0xd65d97cba0d6633db7bd52d6bc87fb9f16b40835c9ad1ac7945d98ea9fd86515",
+        "lastblockhash" : "0x74c4cbb85142740c6dc59731a98d71908cde77043d4ee88772dd028196e10c7e",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d20g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g0v0Filler.json",
-            "sourceHash" : "e1b36d1975c76b775abb95d9f92517dcb6d8724971e47214f92a2d2cdae0d104"
+            "sourceHash" : "f9470c3fec0c23f1550f89404b435cfb6903595d2865f69b3032023f82bd4a4f"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x900dbf908218e6d0ff41daeb78897eb2b9c6a9f0be16efcf74a19688bde6d8c4",
-                    "mixHash" : "0x558950d405355dc2e37705ab62bd303a4110c4fc54d1a058879e4ff5b783e59e",
-                    "nonce" : "0x4b0f577541a9bcba",
+                    "hash" : "0x74c4cbb85142740c6dc59731a98d71908cde77043d4ee88772dd028196e10c7e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -243,7 +354,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x900dbf908218e6d0ff41daeb78897eb2b9c6a9f0be16efcf74a19688bde6d8c4",
+        "lastblockhash" : "0x74c4cbb85142740c6dc59731a98d71908cde77043d4ee88772dd028196e10c7e",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g1v0.json
index a3be536c4..f8a0faf44 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d20g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g1v0Filler.json",
-            "sourceHash" : "7962cc3ff37d46828a161f02e79dc62633a3c245b632e17c8db99e031d997d6c"
+            "sourceHash" : "16c0cf2366c23dd2364d120a4a17673d8edef814a10c3fd0ccd330d48467740a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xf8cbdb8fb253fe24a7906405eb7fd2283935ca1ce5ae5c20389c80f61936e748",
-                    "mixHash" : "0x76cdec6d9c5f73765ce8cc258562124f7df94dfb76497fdaed41f91cf3787a91",
-                    "nonce" : "0x643d865ed5d9ff8e",
+                    "hash" : "0x1dda795c29640bb871526d23f8452e3d8c8408262c237f1f65e77b9fddeb6f29",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5a6c1cbd3d680cfbe466824d3560e277a278d4eeaabac1044fd8a91fe1287ae8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf057e7425aae37d14dd216fda98b441640631b08e91a74fc7e48ae9974398c8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf8cbdb8fb253fe24a7906405eb7fd2283935ca1ce5ae5c20389c80f61936e748",
+        "lastblockhash" : "0x1dda795c29640bb871526d23f8452e3d8c8408262c237f1f65e77b9fddeb6f29",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d20g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g1v0Filler.json",
+            "sourceHash" : "16c0cf2366c23dd2364d120a4a17673d8edef814a10c3fd0ccd330d48467740a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa70f",
+                    "hash" : "0x5d3aff8b067120a057fe91eef7bce0a084d0be76f2a8d1f7f5a9b5796e8c0174",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xa89e4d2e007b5c32dce55f3a32431c9c42366b44e5e7d5b68cd26a9a11b737fe",
+                    "stateRoot" : "0x21b4e37fbbc74ec20f29e5b1164c5987c020d6b737a883f930d7af34f0733277",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf057e7425aae37d14dd216fda98b441640631b08e91a74fc7e48ae9974398c8c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x5cac1506e4ba1cd064ffd78d38c39911d87443c384b38ae2f38a7c0a70a69a1c",
+                        "s" : "0x5cc8cf128affe11433668711864bb47d98576e4d3799b2d5007ce1f402015851",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x5d3aff8b067120a057fe91eef7bce0a084d0be76f2a8d1f7f5a9b5796e8c0174",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a70f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58f1",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d20g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g1v0Filler.json",
-            "sourceHash" : "7962cc3ff37d46828a161f02e79dc62633a3c245b632e17c8db99e031d997d6c"
+            "sourceHash" : "16c0cf2366c23dd2364d120a4a17673d8edef814a10c3fd0ccd330d48467740a"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xee9628d05a3208058147be87d7f441188615a2e0f467bd28be9fbbe40aacbaf8",
-                    "mixHash" : "0x732b82de34a06242631d3326b11fb7b59eeb7b053ab81cde6a12d595e3cb6c4a",
-                    "nonce" : "0x67467d5054b8293f",
+                    "hash" : "0x854d98b112b935626433c74b23f58a1cef042e50e720fed120bacdd59db04209",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xf057e7425aae37d14dd216fda98b441640631b08e91a74fc7e48ae9974398c8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0585a427f5b4f6cda866939c016c541f2a9220fa2c7aef429d22fe122b311f441a0f057e7425aae37d14dd216fda98b441640631b08e91a74fc7e48ae9974398c8ca01b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9cf8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c5f8c3800183015f9094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202031ba05cac1506e4ba1cd064ffd78d38c39911d87443c384b38ae2f38a7c0a70a69a1ca05cc8cf128affe11433668711864bb47d98576e4d3799b2d5007ce1f402015851c0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xee9628d05a3208058147be87d7f441188615a2e0f467bd28be9fbbe40aacbaf8",
+        "lastblockhash" : "0x854d98b112b935626433c74b23f58a1cef042e50e720fed120bacdd59db04209",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d20g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g1v0Filler.json",
-            "sourceHash" : "7962cc3ff37d46828a161f02e79dc62633a3c245b632e17c8db99e031d997d6c"
+            "sourceHash" : "16c0cf2366c23dd2364d120a4a17673d8edef814a10c3fd0ccd330d48467740a"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xeaf131038c335e311f303a00d3304f9f4e39717c7b294e2aea05beed6723b3a7",
-                    "mixHash" : "0xda147cc04df6982527705a68bf9a6e7975fb8a8f1ba8dc93453319ad600a52dd",
-                    "nonce" : "0x78b7d3c4c68d7fbf",
+                    "hash" : "0x854d98b112b935626433c74b23f58a1cef042e50e720fed120bacdd59db04209",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xf057e7425aae37d14dd216fda98b441640631b08e91a74fc7e48ae9974398c8c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0585a427f5b4f6cda866939c016c541f2a9220fa2c7aef429d22fe122b311f441a0f057e7425aae37d14dd216fda98b441640631b08e91a74fc7e48ae9974398c8ca01b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9cf8203e880a0da147cc04df6982527705a68bf9a6e7975fb8a8f1ba8dc93453319ad600a52dd8878b7d3c4c68d7fbff8c5f8c3800183015f9094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202031ba05cac1506e4ba1cd064ffd78d38c39911d87443c384b38ae2f38a7c0a70a69a1ca05cc8cf128affe11433668711864bb47d98576e4d3799b2d5007ce1f402015851c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xeaf131038c335e311f303a00d3304f9f4e39717c7b294e2aea05beed6723b3a7",
+        "lastblockhash" : "0x854d98b112b935626433c74b23f58a1cef042e50e720fed120bacdd59db04209",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g2v0.json
index a393b340e..1bbcf789b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d20g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g2v0Filler.json",
-            "sourceHash" : "149d986dd4b62ae69fd53a501367183fd73318e3a2c573f5770d665f80c8a88f"
+            "sourceHash" : "89b935ad8f887df760938a825e96a8f63b0ba22b5b7d7889f8f3ebba8dad23f1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x80d3d1ee3b7c37ba8883f61a768eff8cec0adc44f7b080337a039144c95f3781",
-                    "mixHash" : "0x095712393cb8220c3c52300dc3c9cf09b45d6294c5db795b86dcb2c715dc2131",
-                    "nonce" : "0x1a7d66aba85c4fac",
+                    "hash" : "0x7674ac2800b6c89fa49d07d2fb88392ac610c41272bba502dc6f7e1ee8a4b969",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5a6c1cbd3d680cfbe466824d3560e277a278d4eeaabac1044fd8a91fe1287ae8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x25f79b157042e63b12fecfb8fac3f0118f2b03f71d097c37dca9551253293904",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x80d3d1ee3b7c37ba8883f61a768eff8cec0adc44f7b080337a039144c95f3781",
+        "lastblockhash" : "0x7674ac2800b6c89fa49d07d2fb88392ac610c41272bba502dc6f7e1ee8a4b969",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d20g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g2v0Filler.json",
+            "sourceHash" : "89b935ad8f887df760938a825e96a8f63b0ba22b5b7d7889f8f3ebba8dad23f1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa70f",
+                    "hash" : "0x1a79c68245eb0ae10f791fa481984e630fc521abf3f5ad86f555144d079b4bdd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xa89e4d2e007b5c32dce55f3a32431c9c42366b44e5e7d5b68cd26a9a11b737fe",
+                    "stateRoot" : "0x21b4e37fbbc74ec20f29e5b1164c5987c020d6b737a883f930d7af34f0733277",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x25f79b157042e63b12fecfb8fac3f0118f2b03f71d097c37dca9551253293904",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x5e83d54f4e4c21e528bb30d242fe7eb5db5980f71cfb28c51c6ea86214040582",
+                        "s" : "0x52dcb150da6c008fb81f1f9c3cc1718549ac847687ebef344451c7c33376d835",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1a79c68245eb0ae10f791fa481984e630fc521abf3f5ad86f555144d079b4bdd",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a70f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58f1",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d20g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g2v0Filler.json",
-            "sourceHash" : "149d986dd4b62ae69fd53a501367183fd73318e3a2c573f5770d665f80c8a88f"
+            "sourceHash" : "89b935ad8f887df760938a825e96a8f63b0ba22b5b7d7889f8f3ebba8dad23f1"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xb64e7df6ddb5832a4e185a0fe36289c795d57e24e54b2265d4e220a1b5d001ee",
-                    "mixHash" : "0x5a46273831fde8844b62f1c953febd71e21f881451851c6d439d657e1eb362ff",
-                    "nonce" : "0x2bee81b55fae3946",
+                    "hash" : "0xfdcf0a32795ec9752d57600f4fd337e542eaefc0c893cd1e98d3b4d2557c1ab2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x25f79b157042e63b12fecfb8fac3f0118f2b03f71d097c37dca9551253293904",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb64e7df6ddb5832a4e185a0fe36289c795d57e24e54b2265d4e220a1b5d001ee",
+        "lastblockhash" : "0xfdcf0a32795ec9752d57600f4fd337e542eaefc0c893cd1e98d3b4d2557c1ab2",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d20g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g2v0Filler.json",
-            "sourceHash" : "149d986dd4b62ae69fd53a501367183fd73318e3a2c573f5770d665f80c8a88f"
+            "sourceHash" : "89b935ad8f887df760938a825e96a8f63b0ba22b5b7d7889f8f3ebba8dad23f1"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xc36bcfc3905ebba9c33fad6e4ae064ee8da6a25f679d38ce9ea4133e2c5b6bcd",
-                    "mixHash" : "0xd6630330d6c651cee3733eb4a17df69601e454c7174f347c504e72687abf2d49",
-                    "nonce" : "0xb9c12833ecedaa91",
+                    "hash" : "0xfdcf0a32795ec9752d57600f4fd337e542eaefc0c893cd1e98d3b4d2557c1ab2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x25f79b157042e63b12fecfb8fac3f0118f2b03f71d097c37dca9551253293904",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc36bcfc3905ebba9c33fad6e4ae064ee8da6a25f679d38ce9ea4133e2c5b6bcd",
+        "lastblockhash" : "0xfdcf0a32795ec9752d57600f4fd337e542eaefc0c893cd1e98d3b4d2557c1ab2",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g3v0.json
index d7573f8d0..064f78be0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d20g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d20g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g3v0Filler.json",
-            "sourceHash" : "d97831b41b322bcc4421486187e01e3dcd1bd821eeb64665c326c4a79b6aba8c"
+            "sourceHash" : "99560e9f504450c1fc3d7c9eb9ed9ea4669b0f90087bbe48992f497d3b60503a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x4d7d4ec44bf5c0d42b8d2b8bb9288df87ed3739651705616f71071c3f857030a",
-                    "mixHash" : "0xa60559e45829a333fa247a3b26a840d421c52019a33c7e74f58ad54c2db219ae",
-                    "nonce" : "0xde7e73e3a7edf3b4",
+                    "hash" : "0x3378005a8873789e5440de6b82d6a1e2cb464c6d0c535f4d829391f860955b5d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5a6c1cbd3d680cfbe466824d3560e277a278d4eeaabac1044fd8a91fe1287ae8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9983f9ad4ce2aa7db3c51f1db968ff067c8ba243beead53ee5fc94a750a6d7f5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa061c5e41a71b2559ddf70fba5a976c96b66e03fcfee8334b422c523463fe9f6daa09983f9ad4ce2aa7db3c51f1db968ff067c8ba243beead53ee5fc94a750a6d7f5a05a6c1cbd3d680cfbe466824d3560e277a278d4eeaabac1044fd8a91fe1287ae8b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9cf8203e880a0a60559e45829a333fa247a3b26a840d421c52019a33c7e74f58ad54c2db219ae88de7e73e3a7edf3b4f8c4f8c2800183030d4094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202031ca0d13da92268b8446227aa6190806114df4066a46482279046009545de258b0a639f9eb75b51dbf3ded5d8ffb30a4d44235ac3f10e4a41cd9e524ea83d24180b81c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4d7d4ec44bf5c0d42b8d2b8bb9288df87ed3739651705616f71071c3f857030a",
+        "lastblockhash" : "0x3378005a8873789e5440de6b82d6a1e2cb464c6d0c535f4d829391f860955b5d",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d20g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g3v0Filler.json",
+            "sourceHash" : "99560e9f504450c1fc3d7c9eb9ed9ea4669b0f90087bbe48992f497d3b60503a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa70f",
+                    "hash" : "0x862130de191cd825beb0fc305b05b8d2df4fc205d794cae47f56a52ccd95ad7e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xa89e4d2e007b5c32dce55f3a32431c9c42366b44e5e7d5b68cd26a9a11b737fe",
+                    "stateRoot" : "0x21b4e37fbbc74ec20f29e5b1164c5987c020d6b737a883f930d7af34f0733277",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9983f9ad4ce2aa7db3c51f1db968ff067c8ba243beead53ee5fc94a750a6d7f5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xd13da92268b8446227aa6190806114df4066a46482279046009545de258b0a63",
+                        "s" : "0x9eb75b51dbf3ded5d8ffb30a4d44235ac3f10e4a41cd9e524ea83d24180b81",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x862130de191cd825beb0fc305b05b8d2df4fc205d794cae47f56a52ccd95ad7e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a70f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58f1",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d20g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g3v0Filler.json",
-            "sourceHash" : "d97831b41b322bcc4421486187e01e3dcd1bd821eeb64665c326c4a79b6aba8c"
+            "sourceHash" : "99560e9f504450c1fc3d7c9eb9ed9ea4669b0f90087bbe48992f497d3b60503a"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x427875963c4f3dac913dafe3a52905dd925beede4d7cefe9c97afe6bb24abc12",
-                    "mixHash" : "0x9a46da93c417a640ba12cf429c2e72b32fdcce401c73eecce84c4ccc6d5640a2",
-                    "nonce" : "0xd462a168546e6df4",
+                    "hash" : "0x2f009fb9e3334632f1e5ae596f68fbe5b61cc11cca11bd77d50d7eb63fe3c31a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x9983f9ad4ce2aa7db3c51f1db968ff067c8ba243beead53ee5fc94a750a6d7f5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x427875963c4f3dac913dafe3a52905dd925beede4d7cefe9c97afe6bb24abc12",
+        "lastblockhash" : "0x2f009fb9e3334632f1e5ae596f68fbe5b61cc11cca11bd77d50d7eb63fe3c31a",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d20g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d20g3v0Filler.json",
-            "sourceHash" : "d97831b41b322bcc4421486187e01e3dcd1bd821eeb64665c326c4a79b6aba8c"
+            "sourceHash" : "99560e9f504450c1fc3d7c9eb9ed9ea4669b0f90087bbe48992f497d3b60503a"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x17da31408af41df8474c84ad8992e5f45db7bb7f3263cf1b0966db338caf3455",
-                    "mixHash" : "0x5a02e2b76d6cd2b2d3a3a67146e0a15eefd944370052828138a4beb983330199",
-                    "nonce" : "0x377ae6921e503456",
+                    "hash" : "0x2f009fb9e3334632f1e5ae596f68fbe5b61cc11cca11bd77d50d7eb63fe3c31a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x9983f9ad4ce2aa7db3c51f1db968ff067c8ba243beead53ee5fc94a750a6d7f5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0585a427f5b4f6cda866939c016c541f2a9220fa2c7aef429d22fe122b311f441a09983f9ad4ce2aa7db3c51f1db968ff067c8ba243beead53ee5fc94a750a6d7f5a01b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9cf8203e880a05a02e2b76d6cd2b2d3a3a67146e0a15eefd944370052828138a4beb98333019988377ae6921e503456f8c4f8c2800183030d4094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000202031ca0d13da92268b8446227aa6190806114df4066a46482279046009545de258b0a639f9eb75b51dbf3ded5d8ffb30a4d44235ac3f10e4a41cd9e524ea83d24180b81c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020203",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x17da31408af41df8474c84ad8992e5f45db7bb7f3263cf1b0966db338caf3455",
+        "lastblockhash" : "0x2f009fb9e3334632f1e5ae596f68fbe5b61cc11cca11bd77d50d7eb63fe3c31a",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g0v0.json
index c7648f5e1..29b7b3e8b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d21g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g0v0Filler.json",
-            "sourceHash" : "9c0a101ddb6948189cd3aba624acdd75319be68963d3c2300450b4d3df7e7e0d"
+            "sourceHash" : "77fc1ebd496c5327f15acc21af2aaf7b934cd9d37440742806b922db41b8f7fc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba15",
-                    "hash" : "0xd55d2cc8b9da111f63a1df3b2960e58fa1db1b23533d5fc15edc7aed05be31b5",
-                    "mixHash" : "0x4bdb8cf5829254194b09f58af87e4930eeed90cae69afc147e7ec478994ae5a5",
-                    "nonce" : "0x18d65619bda1ed03",
+                    "hash" : "0x6f4e7048feb60d56125c243821f7ce79132a41824faf1e73e2b8f60662e70b93",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9ecfab25aa38fb7f789a2e8cb97012a43380ff726c4ffaab5ac75a20939dbd8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5582db272a860615f103d01796d7fbc30e561c8680a83328e52fd80908b30fc1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xd55d2cc8b9da111f63a1df3b2960e58fa1db1b23533d5fc15edc7aed05be31b5",
+        "lastblockhash" : "0x6f4e7048feb60d56125c243821f7ce79132a41824faf1e73e2b8f60662e70b93",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d21g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g0v0Filler.json",
+            "sourceHash" : "77fc1ebd496c5327f15acc21af2aaf7b934cd9d37440742806b922db41b8f7fc"
+        },
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa755",
+                    "hash" : "0x78c7ef2af4d583ff433a4a20228e681b3268f5949b0bd922b46db0d779c591bf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
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+                "uncleHeaders" : [
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+            }
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+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x78c7ef2af4d583ff433a4a20228e681b3268f5949b0bd922b46db0d779c591bf",
+        "network" : "Constantinople",
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
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+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a755",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ab",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d21g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g0v0Filler.json",
-            "sourceHash" : "9c0a101ddb6948189cd3aba624acdd75319be68963d3c2300450b4d3df7e7e0d"
+            "sourceHash" : "77fc1ebd496c5327f15acc21af2aaf7b934cd9d37440742806b922db41b8f7fc"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x14d0a8ff1a64ce10021436ca28bd40dc3683b64a072be3d629e1f296776f53bd",
-                    "mixHash" : "0xa285e75aeb04cf87059269add019a5f4c1c692178bbccf2401e91633679cabb6",
-                    "nonce" : "0x585f82e4972f67bd",
+                    "hash" : "0xa5f11bb535a717e1e905e97707939a4756c6b20b0d9692f338c7086cb9c0fcfd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x5582db272a860615f103d01796d7fbc30e561c8680a83328e52fd80908b30fc1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x14d0a8ff1a64ce10021436ca28bd40dc3683b64a072be3d629e1f296776f53bd",
+        "lastblockhash" : "0xa5f11bb535a717e1e905e97707939a4756c6b20b0d9692f338c7086cb9c0fcfd",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d21g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g0v0Filler.json",
-            "sourceHash" : "9c0a101ddb6948189cd3aba624acdd75319be68963d3c2300450b4d3df7e7e0d"
+            "sourceHash" : "77fc1ebd496c5327f15acc21af2aaf7b934cd9d37440742806b922db41b8f7fc"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x0ec47f8c9ac04dbf04e1d1dddeebce8d36677eda4b7fc8c8c2f526727da7bc3c",
-                    "mixHash" : "0x869238a02e7a638e6016074c7e3a8238e2d11ad1c47785a2d9ce6cc572457750",
-                    "nonce" : "0xd7f4e2bddc1bba1b",
+                    "hash" : "0xa5f11bb535a717e1e905e97707939a4756c6b20b0d9692f338c7086cb9c0fcfd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x5582db272a860615f103d01796d7fbc30e561c8680a83328e52fd80908b30fc1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
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                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x0ec47f8c9ac04dbf04e1d1dddeebce8d36677eda4b7fc8c8c2f526727da7bc3c",
+        "lastblockhash" : "0xa5f11bb535a717e1e905e97707939a4756c6b20b0d9692f338c7086cb9c0fcfd",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g1v0.json
index 952c4bcc9..d3224a394 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d21g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g1v0Filler.json",
-            "sourceHash" : "e24d8440612612514d97847a35b2d0f34106c0ba55ce5dcad36ad82bd8d4b9bf"
+            "sourceHash" : "bf71199665303743ab5f975cd284bd52674a01a0b7712585ba2a78f057eee3c3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba15",
-                    "hash" : "0x249f7340f6a3b9c72cc2ae570ae9b00b6166438e2665c93dc2a92dc0b8021a45",
-                    "mixHash" : "0x5dbde6c9b47f55c58c6f87bff81dfbf3f2acfadb79e75ff350f8b3efebd7ac86",
-                    "nonce" : "0x392606348c5adca4",
+                    "hash" : "0xc0db87dbeb60b6fe337bab9b62e86d1b9f2ec57e55e2bbc06bb0b6d447a1d613",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9ecfab25aa38fb7f789a2e8cb97012a43380ff726c4ffaab5ac75a20939dbd8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4f4fc5734d9cf02ed474adf8eac593a229aa803b141869ac4d24684fb1f257e9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0d42491aa1fae0adaea81f1025da23761114c9839d73e64169ae595cee2c58b41a04f4fc5734d9cf02ed474adf8eac593a229aa803b141869ac4d24684fb1f257e9a0c9ecfab25aa38fb7f789a2e8cb97012a43380ff726c4ffaab5ac75a20939dbd8b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba158203e880a05dbde6c9b47f55c58c6f87bff81dfbf3f2acfadb79e75ff350f8b3efebd7ac8688392606348c5adca4f8c6f8c4800183015f9094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230031ba06a3dd2daa2555c18d46439e46b80e7de16023a83cea34fcbbafced31277d2708a022c1a10a3cb71be289bd47beedea7fa27408a07a2479d6c6dffd92e52c52c506c0",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0d42491aa1fae0adaea81f1025da23761114c9839d73e64169ae595cee2c58b41a04f4fc5734d9cf02ed474adf8eac593a229aa803b141869ac4d24684fb1f257e9a0c9ecfab25aa38fb7f789a2e8cb97012a43380ff726c4ffaab5ac75a20939dbd8b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba158203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c4800183015f9094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230031ba06a3dd2daa2555c18d46439e46b80e7de16023a83cea34fcbbafced31277d2708a022c1a10a3cb71be289bd47beedea7fa27408a07a2479d6c6dffd92e52c52c506c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x249f7340f6a3b9c72cc2ae570ae9b00b6166438e2665c93dc2a92dc0b8021a45",
+        "lastblockhash" : "0xc0db87dbeb60b6fe337bab9b62e86d1b9f2ec57e55e2bbc06bb0b6d447a1d613",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d21g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g1v0Filler.json",
+            "sourceHash" : "bf71199665303743ab5f975cd284bd52674a01a0b7712585ba2a78f057eee3c3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa755",
+                    "hash" : "0xf4851765fd8f0f277a98f3246b0379df3908b010aa32ac7198ce5b592158b72e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1f4fe309976043db47bcd7e0490ce1403aea77cf6039a0a8d2a76258a0f0822b",
+                    "stateRoot" : "0x990dcfe1c49741417fed0f4bb8ca251a42c5b3f6753ffa64172cdd43e07ded15",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4f4fc5734d9cf02ed474adf8eac593a229aa803b141869ac4d24684fb1f257e9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x6a3dd2daa2555c18d46439e46b80e7de16023a83cea34fcbbafced31277d2708",
+                        "s" : "0x22c1a10a3cb71be289bd47beedea7fa27408a07a2479d6c6dffd92e52c52c506",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf4851765fd8f0f277a98f3246b0379df3908b010aa32ac7198ce5b592158b72e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a755",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ab",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d21g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g1v0Filler.json",
-            "sourceHash" : "e24d8440612612514d97847a35b2d0f34106c0ba55ce5dcad36ad82bd8d4b9bf"
+            "sourceHash" : "bf71199665303743ab5f975cd284bd52674a01a0b7712585ba2a78f057eee3c3"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0xcdcd350afce7bc07566326f0575bfce2ceb5762e33a8096f3913197b3e2e5cb0",
-                    "mixHash" : "0x3bb9d25a97b67d6a31543e95558662c6dcf9b38c08c47789779a25b57565c1da",
-                    "nonce" : "0x8adcc8045f9c5cf2",
+                    "hash" : "0xd3b83b6b4ae8b2a5f9d3e38bbf23d2ee41b470f658cd14f31a72ffadf09ebbd2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x4f4fc5734d9cf02ed474adf8eac593a229aa803b141869ac4d24684fb1f257e9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcdcd350afce7bc07566326f0575bfce2ceb5762e33a8096f3913197b3e2e5cb0",
+        "lastblockhash" : "0xd3b83b6b4ae8b2a5f9d3e38bbf23d2ee41b470f658cd14f31a72ffadf09ebbd2",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d21g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g1v0Filler.json",
-            "sourceHash" : "e24d8440612612514d97847a35b2d0f34106c0ba55ce5dcad36ad82bd8d4b9bf"
+            "sourceHash" : "bf71199665303743ab5f975cd284bd52674a01a0b7712585ba2a78f057eee3c3"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0xae0178d7f0ae6c400646b57cbf0fd02e7f36a548904d02a3510d9230be918725",
-                    "mixHash" : "0x08a9b54a681671b2ba083304280efc398f07db00894bc42598e54731691f393e",
-                    "nonce" : "0xadf7c1702e155d79",
+                    "hash" : "0xd3b83b6b4ae8b2a5f9d3e38bbf23d2ee41b470f658cd14f31a72ffadf09ebbd2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x4f4fc5734d9cf02ed474adf8eac593a229aa803b141869ac4d24684fb1f257e9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xae0178d7f0ae6c400646b57cbf0fd02e7f36a548904d02a3510d9230be918725",
+        "lastblockhash" : "0xd3b83b6b4ae8b2a5f9d3e38bbf23d2ee41b470f658cd14f31a72ffadf09ebbd2",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g2v0.json
index bc97cae3a..0e0f86d83 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d21g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g2v0Filler.json",
-            "sourceHash" : "9ff2951b8ba1d56aa35080ec0eb6803279beb412df57651d2e47d9c8a8aeba19"
+            "sourceHash" : "e4554a9c35a20594d4f8e90e7d1d36f8c18c64aa0e23818bdb81ffea4f1b183e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba15",
-                    "hash" : "0x703829223cf4e3de9d0b8f27345863b19dfc01e64a4bf27de32a96649a3446b9",
-                    "mixHash" : "0x6f97a3f1cc9022649105a3cd428af580bee256784859f7700def167faf994445",
-                    "nonce" : "0x41f38e2c6f3606ec",
+                    "hash" : "0xcded1d3ff5b18c8efde09fb4acf9978cd24643e0e31133c0bcaa4260d0637fa2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9ecfab25aa38fb7f789a2e8cb97012a43380ff726c4ffaab5ac75a20939dbd8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x2002d455c70e0ca8404d3b8ead4e8020229957609b55d2a91b9633d986f43a24",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0d42491aa1fae0adaea81f1025da23761114c9839d73e64169ae595cee2c58b41a02002d455c70e0ca8404d3b8ead4e8020229957609b55d2a91b9633d986f43a24a0c9ecfab25aa38fb7f789a2e8cb97012a43380ff726c4ffaab5ac75a20939dbd8b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba158203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018301adb094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230031ba0c0c626693eac9ff15e3fabae0a2be676dc6af2a57f176ef9dddf27e95e7bab63a05255f422eb9cfbfb5de621d42cf59a868bc2a6b1d4777acd46f202f6656c13fac0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x703829223cf4e3de9d0b8f27345863b19dfc01e64a4bf27de32a96649a3446b9",
+        "lastblockhash" : "0xcded1d3ff5b18c8efde09fb4acf9978cd24643e0e31133c0bcaa4260d0637fa2",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d21g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g2v0Filler.json",
+            "sourceHash" : "e4554a9c35a20594d4f8e90e7d1d36f8c18c64aa0e23818bdb81ffea4f1b183e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa755",
+                    "hash" : "0x28c4edaac9de606c7620625aaf65590b04ee86902dd64fd1681142289e0972d4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1f4fe309976043db47bcd7e0490ce1403aea77cf6039a0a8d2a76258a0f0822b",
+                    "stateRoot" : "0x990dcfe1c49741417fed0f4bb8ca251a42c5b3f6753ffa64172cdd43e07ded15",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x2002d455c70e0ca8404d3b8ead4e8020229957609b55d2a91b9633d986f43a24",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc0c626693eac9ff15e3fabae0a2be676dc6af2a57f176ef9dddf27e95e7bab63",
+                        "s" : "0x5255f422eb9cfbfb5de621d42cf59a868bc2a6b1d4777acd46f202f6656c13fa",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x28c4edaac9de606c7620625aaf65590b04ee86902dd64fd1681142289e0972d4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a755",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ab",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d21g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g2v0Filler.json",
-            "sourceHash" : "9ff2951b8ba1d56aa35080ec0eb6803279beb412df57651d2e47d9c8a8aeba19"
+            "sourceHash" : "e4554a9c35a20594d4f8e90e7d1d36f8c18c64aa0e23818bdb81ffea4f1b183e"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x022f440475be5aca1d158b84ec1aea675b48dc07a5d8ef44952a84fb9def81dc",
-                    "mixHash" : "0xb899e7b017ab9b899c17065f407deacff7d0e24371b402ce25efe66650f64b42",
-                    "nonce" : "0x113421b636e4a356",
+                    "hash" : "0xa7b2106c430c6c35a284d08ea7b5c6cbd6b5f20ff1a3082393ebb81f7e490c91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x2002d455c70e0ca8404d3b8ead4e8020229957609b55d2a91b9633d986f43a24",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x022f440475be5aca1d158b84ec1aea675b48dc07a5d8ef44952a84fb9def81dc",
+        "lastblockhash" : "0xa7b2106c430c6c35a284d08ea7b5c6cbd6b5f20ff1a3082393ebb81f7e490c91",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d21g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g2v0Filler.json",
-            "sourceHash" : "9ff2951b8ba1d56aa35080ec0eb6803279beb412df57651d2e47d9c8a8aeba19"
+            "sourceHash" : "e4554a9c35a20594d4f8e90e7d1d36f8c18c64aa0e23818bdb81ffea4f1b183e"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x548de0f4a6c0291c9c4aecf5ab40e8a6c1719c8a90a351eaab4aa5f6914308ed",
-                    "mixHash" : "0x0955b8aada23c10201c9788aef11ab49f3753d87c8052918aa6b97dabf35ee6f",
-                    "nonce" : "0xfa9bd00185bf0909",
+                    "hash" : "0xa7b2106c430c6c35a284d08ea7b5c6cbd6b5f20ff1a3082393ebb81f7e490c91",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x2002d455c70e0ca8404d3b8ead4e8020229957609b55d2a91b9633d986f43a24",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x548de0f4a6c0291c9c4aecf5ab40e8a6c1719c8a90a351eaab4aa5f6914308ed",
+        "lastblockhash" : "0xa7b2106c430c6c35a284d08ea7b5c6cbd6b5f20ff1a3082393ebb81f7e490c91",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g3v0.json
index 3283dd31a..0b492baaf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d21g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d21g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g3v0Filler.json",
-            "sourceHash" : "6b9e340c1ae03919226f140241bf718ea6a069fd3946fc5758dd7dd9577fe676"
+            "sourceHash" : "194b2e995f953c7cb60069d68a115ddca759382e1c8aaf40d232c6c934842e16"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba15",
-                    "hash" : "0xeae453b500a10b9d5a03b14231b4eec7b1e6b37c1d19912b68d3ef6c36229840",
-                    "mixHash" : "0x6a1b4c4209e0f6cf95abe93b0617f16d2dc6f286562d35619ed8656a1099a12f",
-                    "nonce" : "0xaeb0199b15a01e34",
+                    "hash" : "0x1b41d345083c3b2be8030fe3e4fb70b50e7633fa67daad7d49f6faed7dd6a878",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9ecfab25aa38fb7f789a2e8cb97012a43380ff726c4ffaab5ac75a20939dbd8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4f64aac0091adb6ef32ea943f9ab5f837a0a59b7bb1614fadd147ce5c621e399",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xeae453b500a10b9d5a03b14231b4eec7b1e6b37c1d19912b68d3ef6c36229840",
+        "lastblockhash" : "0x1b41d345083c3b2be8030fe3e4fb70b50e7633fa67daad7d49f6faed7dd6a878",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d21g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g3v0Filler.json",
+            "sourceHash" : "194b2e995f953c7cb60069d68a115ddca759382e1c8aaf40d232c6c934842e16"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa755",
+                    "hash" : "0xf5ee4d99299f69d57e60507c40d208ef6a567f2907a0a1634ea066422876d580",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1f4fe309976043db47bcd7e0490ce1403aea77cf6039a0a8d2a76258a0f0822b",
+                    "stateRoot" : "0x990dcfe1c49741417fed0f4bb8ca251a42c5b3f6753ffa64172cdd43e07ded15",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4f64aac0091adb6ef32ea943f9ab5f837a0a59b7bb1614fadd147ce5c621e399",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc9fb8d6a1b65f58c8ac325ce1118848f270ee811048b4d56878c322134eeff4d",
+                        "s" : "0x3bda0216c3268f482b198cb7e4a4bf48c6f80f9db5f9e9fd781928377907afb8",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf5ee4d99299f69d57e60507c40d208ef6a567f2907a0a1634ea066422876d580",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a755",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ab",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d21g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g3v0Filler.json",
-            "sourceHash" : "6b9e340c1ae03919226f140241bf718ea6a069fd3946fc5758dd7dd9577fe676"
+            "sourceHash" : "194b2e995f953c7cb60069d68a115ddca759382e1c8aaf40d232c6c934842e16"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x548d24094300fa4aa51c1744d344ed21672b579c88f5bb676b8b365b52ca6e10",
-                    "mixHash" : "0x6d6eb64d5b1207c4348fc0df97bf3f868eb1bef850f1d5e8ca2f272f5c17eefb",
-                    "nonce" : "0xe46b955d9bd5fcfd",
+                    "hash" : "0x9dcaa8d55d67eaafd263f294ce1b2474f3b8f9493f3f3bc7a7f4de9d00e5d20a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x4f64aac0091adb6ef32ea943f9ab5f837a0a59b7bb1614fadd147ce5c621e399",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x548d24094300fa4aa51c1744d344ed21672b579c88f5bb676b8b365b52ca6e10",
+        "lastblockhash" : "0x9dcaa8d55d67eaafd263f294ce1b2474f3b8f9493f3f3bc7a7f4de9d00e5d20a",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d21g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d21g3v0Filler.json",
-            "sourceHash" : "6b9e340c1ae03919226f140241bf718ea6a069fd3946fc5758dd7dd9577fe676"
+            "sourceHash" : "194b2e995f953c7cb60069d68a115ddca759382e1c8aaf40d232c6c934842e16"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba13",
-                    "hash" : "0x41102f38d70fdc1138bc92e01bcd49cb7808455ec0a7f7bbd2decf0f7aae3ee3",
-                    "mixHash" : "0x0078f6be1c0aaa022c34eaae1f4487d8e5a0e95a97609cc20fd8edde7afc2872",
-                    "nonce" : "0x06d1c39514066a4d",
+                    "hash" : "0x9dcaa8d55d67eaafd263f294ce1b2474f3b8f9493f3f3bc7a7f4de9d00e5d20a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x4f64aac0091adb6ef32ea943f9ab5f837a0a59b7bb1614fadd147ce5c621e399",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa077ff40814f6141aa095928824cc7b49d75ea86790b6dcd12162c2d6647e37ff3a04f64aac0091adb6ef32ea943f9ab5f837a0a59b7bb1614fadd147ce5c621e399a09155e9f7355713f6f2e10391f0af42ef480e9f09fedbe59668398cab86ff30f4b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba138203e880a00078f6be1c0aaa022c34eaae1f4487d8e5a0e95a97609cc20fd8edde7afc28728806d1c39514066a4df8c6f8c4800183030d4094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230031ca0c9fb8d6a1b65f58c8ac325ce1118848f270ee811048b4d56878c322134eeff4da03bda0216c3268f482b198cb7e4a4bf48c6f80f9db5f9e9fd781928377907afb8c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002023003",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x41102f38d70fdc1138bc92e01bcd49cb7808455ec0a7f7bbd2decf0f7aae3ee3",
+        "lastblockhash" : "0x9dcaa8d55d67eaafd263f294ce1b2474f3b8f9493f3f3bc7a7f4de9d00e5d20a",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g0v0.json
index 67db42933..26332c73c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d22g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g0v0Filler.json",
-            "sourceHash" : "ef27195244a8297d1c0f85939bdcf48bc972023e107fb330cbaa90be1fd771ef"
+            "sourceHash" : "fc054b412d1c983c41dbea29edb0c986508b132bac7b1f3ddf37ac5ecc05052c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d1",
-                    "hash" : "0xe90edfd2510b73e93b46b2bde476b2a4bdb08711b5a3fc63df9f192b49047c25",
-                    "mixHash" : "0x4907c8623ba5c38875ae6341916f520f2a9be4813297f6b30e40493d82dd509f",
-                    "nonce" : "0x417747fe3803c641",
+                    "hash" : "0x6b8861b9b24db00abfcaf55a3fad39eaab393407cd6569b257400dfa7e642f05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f105fc1684d90a92745c062f5d127a83e25fff98b0916b705f22fd216070f36",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x27f4ac9dee617aaf13a526565ad669edccc13d822b6a2fee82d167c4f6a981e9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe90edfd2510b73e93b46b2bde476b2a4bdb08711b5a3fc63df9f192b49047c25",
+        "lastblockhash" : "0x6b8861b9b24db00abfcaf55a3fad39eaab393407cd6569b257400dfa7e642f05",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d22g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g0v0Filler.json",
+            "sourceHash" : "fc054b412d1c983c41dbea29edb0c986508b132bac7b1f3ddf37ac5ecc05052c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa711",
+                    "hash" : "0x2d5ed452b1714553d763be5a2969572eede396308ec4c3bc626cfea1ac9a719e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xbc07a508e9970df4d2209b4db9ac257b5ee0e4e0a2f8d46e676c91eff698f1c1",
+                    "stateRoot" : "0x144029e5a6b93e38f5857c5cdac3409544f7d44f1cda5a2932b8172b78eec50b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x27f4ac9dee617aaf13a526565ad669edccc13d822b6a2fee82d167c4f6a981e9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x3cb43e7b7d44705b738b664f335cd78310eef779de11edbfad08a99ba4d27205",
+                        "s" : "0x57f58a4c3e93114612d7edae99c9d982bea6c51fa043be9b973629e785835997",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2d5ed452b1714553d763be5a2969572eede396308ec4c3bc626cfea1ac9a719e",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a711",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ef",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d22g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g0v0Filler.json",
-            "sourceHash" : "ef27195244a8297d1c0f85939bdcf48bc972023e107fb330cbaa90be1fd771ef"
+            "sourceHash" : "fc054b412d1c983c41dbea29edb0c986508b132bac7b1f3ddf37ac5ecc05052c"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x28253739070c49a32a9cdf9a2cdb32c72d2558d4c2b32907f974ae90b9e33844",
-                    "mixHash" : "0x879565b73cdc2bcf526e130ebf6ab1d0122413c87ded5a8d3765737ca355678e",
-                    "nonce" : "0x1beec40d2bdef23e",
+                    "hash" : "0xc81c98f59348551b849e7d84706bf2a69f9e085e900736b5a48a7c6223fe2a65",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x27f4ac9dee617aaf13a526565ad669edccc13d822b6a2fee82d167c4f6a981e9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0585a427f5b4f6cda866939c016c541f2a9220fa2c7aef429d22fe122b311f441a027f4ac9dee617aaf13a526565ad669edccc13d822b6a2fee82d167c4f6a981e9a01b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872fb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9cf8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018405f5e10094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202301ca03cb43e7b7d44705b738b664f335cd78310eef779de11edbfad08a99ba4d27205a057f58a4c3e93114612d7edae99c9d982bea6c51fa043be9b973629e785835997c0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x28253739070c49a32a9cdf9a2cdb32c72d2558d4c2b32907f974ae90b9e33844",
+        "lastblockhash" : "0xc81c98f59348551b849e7d84706bf2a69f9e085e900736b5a48a7c6223fe2a65",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d22g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g0v0Filler.json",
-            "sourceHash" : "ef27195244a8297d1c0f85939bdcf48bc972023e107fb330cbaa90be1fd771ef"
+            "sourceHash" : "fc054b412d1c983c41dbea29edb0c986508b132bac7b1f3ddf37ac5ecc05052c"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xfe6af095d21c2698c4ea2d3da17288663632ce4c315af62f755b1197fc884eb4",
-                    "mixHash" : "0x73b6afb983beed15a960ef6ea2ba64d903d01cc24b721e5bac69de84bff9c6db",
-                    "nonce" : "0xacbc3225932d8a39",
+                    "hash" : "0xc81c98f59348551b849e7d84706bf2a69f9e085e900736b5a48a7c6223fe2a65",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x27f4ac9dee617aaf13a526565ad669edccc13d822b6a2fee82d167c4f6a981e9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xfe6af095d21c2698c4ea2d3da17288663632ce4c315af62f755b1197fc884eb4",
+        "lastblockhash" : "0xc81c98f59348551b849e7d84706bf2a69f9e085e900736b5a48a7c6223fe2a65",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g1v0.json
index cb6335d3b..91ab0f324 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d22g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g1v0Filler.json",
-            "sourceHash" : "01f36ea1e88af223b9733d5e78c8a273e987e08bae731d8fc897f5a3d65035da"
+            "sourceHash" : "6dc7e16863cdde9e9b5aeff5e6f86918ef1f5b3fc64dbc46e68ca9a77e09d88d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d1",
-                    "hash" : "0x72e2aef6e19a897f3cc285b5ccfd74c159fdf95d63d74bf584c5db6a5a9ee9a9",
-                    "mixHash" : "0xa406a0a899126da45543daeae2e752ba3ff866959764b6660690691a912e7fb5",
-                    "nonce" : "0xc0f0db7e508e978c",
+                    "hash" : "0xcac63ced1d9dedbbd5a393e3ea64efc107f0983b2b51b97201b8ed0e7d4aaa6e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f105fc1684d90a92745c062f5d127a83e25fff98b0916b705f22fd216070f36",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfd1fbfc79f10915cc0b5a96d1d19cf4624a27d46731637bd461175526f5a9eb9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
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                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x72e2aef6e19a897f3cc285b5ccfd74c159fdf95d63d74bf584c5db6a5a9ee9a9",
+        "lastblockhash" : "0xcac63ced1d9dedbbd5a393e3ea64efc107f0983b2b51b97201b8ed0e7d4aaa6e",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d22g1v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+            "sourceHash" : "6dc7e16863cdde9e9b5aeff5e6f86918ef1f5b3fc64dbc46e68ca9a77e09d88d"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa711",
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
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+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0xbfb426439a77ca940798d49553e00dece5a89bdfc5f6dd5297b86ae56e157b43",
+        "network" : "Constantinople",
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+                "nonce" : "0x00",
+                "storage" : {
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+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a711",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ef",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d22g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g1v0Filler.json",
-            "sourceHash" : "01f36ea1e88af223b9733d5e78c8a273e987e08bae731d8fc897f5a3d65035da"
+            "sourceHash" : "6dc7e16863cdde9e9b5aeff5e6f86918ef1f5b3fc64dbc46e68ca9a77e09d88d"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x738ec55e511427b9880f5c83102971915a26ac11675423add01e18be136b79b2",
-                    "mixHash" : "0x442466442fe48f693c96701a1bb28ce998fb28e30a9c7a87530013936c85e7c2",
-                    "nonce" : "0x2a6d66e633dd2461",
+                    "hash" : "0x23b8f89ca82ab5b7e2c4f3535716229f87a01714747504e772d981415e4fb7bb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xfd1fbfc79f10915cc0b5a96d1d19cf4624a27d46731637bd461175526f5a9eb9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x738ec55e511427b9880f5c83102971915a26ac11675423add01e18be136b79b2",
+        "lastblockhash" : "0x23b8f89ca82ab5b7e2c4f3535716229f87a01714747504e772d981415e4fb7bb",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d22g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g1v0Filler.json",
-            "sourceHash" : "01f36ea1e88af223b9733d5e78c8a273e987e08bae731d8fc897f5a3d65035da"
+            "sourceHash" : "6dc7e16863cdde9e9b5aeff5e6f86918ef1f5b3fc64dbc46e68ca9a77e09d88d"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x3dd9c84ac17ebc74b93f0486274d747d8dfbacc99d503796a6edbf2d5a6c4551",
-                    "mixHash" : "0xdbaedefbb2cb6ab458c959d5a3749d7b52c6f6c664669e4bbe8cd13f8e29a8cc",
-                    "nonce" : "0x0f459aa36490c4b7",
+                    "hash" : "0x23b8f89ca82ab5b7e2c4f3535716229f87a01714747504e772d981415e4fb7bb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -243,7 +354,7 @@
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                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3dd9c84ac17ebc74b93f0486274d747d8dfbacc99d503796a6edbf2d5a6c4551",
+        "lastblockhash" : "0x23b8f89ca82ab5b7e2c4f3535716229f87a01714747504e772d981415e4fb7bb",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g2v0.json
index 5cf15d6b5..9c2aada72 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d22g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g2v0Filler.json",
-            "sourceHash" : "83e70429d2669d8d37f6cc63f362baaddca8d2e6f3167f9d8ea4457dee19db32"
+            "sourceHash" : "bdb3262910c0b0ca9a29695f57fa7fd06119797dad9dd76ec1f7197bc85c6563"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d1",
-                    "hash" : "0x0d6b69285f35df9c1a5d7f3e9b2a17028727a232477ea717baffc8107ef66382",
-                    "mixHash" : "0x783e733bf6afe766dfe79b0940443dcb8f31fbc8ad6cfbe19461af6cee579b66",
-                    "nonce" : "0xa9fd8fde1d2ebaa8",
+                    "hash" : "0x7bcc26e85ba1635fb2826283330170654de273ee1ade4f86c9ba57dd887d6942",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f105fc1684d90a92745c062f5d127a83e25fff98b0916b705f22fd216070f36",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf9d72dbc52ce2b541067b4809db6a0ae37959408c7c162bcc64dd7c342bb052b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x0d6b69285f35df9c1a5d7f3e9b2a17028727a232477ea717baffc8107ef66382",
+        "lastblockhash" : "0x7bcc26e85ba1635fb2826283330170654de273ee1ade4f86c9ba57dd887d6942",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d22g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g2v0Filler.json",
+            "sourceHash" : "bdb3262910c0b0ca9a29695f57fa7fd06119797dad9dd76ec1f7197bc85c6563"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa711",
+                    "hash" : "0xbee849e037a2f13424fafa334a23d2ce291b8445fe6939dd16118896a5927a07",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xbc07a508e9970df4d2209b4db9ac257b5ee0e4e0a2f8d46e676c91eff698f1c1",
+                    "stateRoot" : "0x144029e5a6b93e38f5857c5cdac3409544f7d44f1cda5a2932b8172b78eec50b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf9d72dbc52ce2b541067b4809db6a0ae37959408c7c162bcc64dd7c342bb052b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0144029e5a6b93e38f5857c5cdac3409544f7d44f1cda5a2932b8172b78eec50ba0f9d72dbc52ce2b541067b4809db6a0ae37959408c7c162bcc64dd7c342bb052ba0bc07a508e9970df4d2209b4db9ac257b5ee0e4e0a2f8d46e676c91eff698f1c1b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082a7118203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c5f8c380018301adb094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202301ba0d6c015f16f2d5104d71f780e3c710dc7a00fcab03d6f13cbfe0f25a83b041b86a0579f6c3c8e9356a6da2c212e20bbfa5d32db73bf1b7cad71dc118b75c3c2056ac0",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xd6c015f16f2d5104d71f780e3c710dc7a00fcab03d6f13cbfe0f25a83b041b86",
+                        "s" : "0x579f6c3c8e9356a6da2c212e20bbfa5d32db73bf1b7cad71dc118b75c3c2056a",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbee849e037a2f13424fafa334a23d2ce291b8445fe6939dd16118896a5927a07",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a711",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ef",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d22g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g2v0Filler.json",
-            "sourceHash" : "83e70429d2669d8d37f6cc63f362baaddca8d2e6f3167f9d8ea4457dee19db32"
+            "sourceHash" : "bdb3262910c0b0ca9a29695f57fa7fd06119797dad9dd76ec1f7197bc85c6563"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xc6fab8d262e4e0f540610d3c9613b1f0f97b6f41e2a2b2b0a167b09a8f1c0e96",
-                    "mixHash" : "0xc7a3b4aff8f24de48c65b4cf315badc4711d299aabca89be79e651869ac2c278",
-                    "nonce" : "0xc9df7eb1ba10d701",
+                    "hash" : "0xe3751e07e4574cef241ed03599601b93e7129835ebb1bb5386f4d8a5d8cdd704",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xf9d72dbc52ce2b541067b4809db6a0ae37959408c7c162bcc64dd7c342bb052b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc6fab8d262e4e0f540610d3c9613b1f0f97b6f41e2a2b2b0a167b09a8f1c0e96",
+        "lastblockhash" : "0xe3751e07e4574cef241ed03599601b93e7129835ebb1bb5386f4d8a5d8cdd704",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d22g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g2v0Filler.json",
-            "sourceHash" : "83e70429d2669d8d37f6cc63f362baaddca8d2e6f3167f9d8ea4457dee19db32"
+            "sourceHash" : "bdb3262910c0b0ca9a29695f57fa7fd06119797dad9dd76ec1f7197bc85c6563"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0xb4a7edc33de9435a4363ed93f00ed7e92aa76d6eaaadb669418676d032b9e618",
-                    "mixHash" : "0xddd88c8c7ce5c5b72274a87d927e67205d3684b33e2c574627f632b37efb3a67",
-                    "nonce" : "0x9179fdc56d574480",
+                    "hash" : "0xe3751e07e4574cef241ed03599601b93e7129835ebb1bb5386f4d8a5d8cdd704",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xf9d72dbc52ce2b541067b4809db6a0ae37959408c7c162bcc64dd7c342bb052b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb4a7edc33de9435a4363ed93f00ed7e92aa76d6eaaadb669418676d032b9e618",
+        "lastblockhash" : "0xe3751e07e4574cef241ed03599601b93e7129835ebb1bb5386f4d8a5d8cdd704",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g3v0.json
index d718b325b..28181bd59 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d22g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d22g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g3v0Filler.json",
-            "sourceHash" : "af6841a0ab0a78f29ee003386a134ad0ac0bc9e04c21f80324dfdfc7afe94a06"
+            "sourceHash" : "d98b5611fdd86cd2c8520fb06cda16571842d75e810c3863d402beb595168911"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9d1",
-                    "hash" : "0x938fab61268ddb1f22822c37be1c88498cfbe1bc2c3304a8227f1f739102f03b",
-                    "mixHash" : "0x815ad139c7ecc4899b42c23942287b5b81bb64e225ec4eb5861a36ebdb6c2a95",
-                    "nonce" : "0x034545099c70f895",
+                    "hash" : "0xd2eff96048275b2add39127e565e5b09c93b58cfb438c56e1826f1c30142d298",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f105fc1684d90a92745c062f5d127a83e25fff98b0916b705f22fd216070f36",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x810180cd80e6a647ebf633705896dbf3ef1aa02fe9e53f9f73409a30088ed8e7",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x938fab61268ddb1f22822c37be1c88498cfbe1bc2c3304a8227f1f739102f03b",
+        "lastblockhash" : "0xd2eff96048275b2add39127e565e5b09c93b58cfb438c56e1826f1c30142d298",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d22g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g3v0Filler.json",
+            "sourceHash" : "d98b5611fdd86cd2c8520fb06cda16571842d75e810c3863d402beb595168911"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa711",
+                    "hash" : "0xf8eace5f6fa86ec9c97a6d18362e47e6964e0861afc8a5e954c43808c7ce8bb7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xbc07a508e9970df4d2209b4db9ac257b5ee0e4e0a2f8d46e676c91eff698f1c1",
+                    "stateRoot" : "0x144029e5a6b93e38f5857c5cdac3409544f7d44f1cda5a2932b8172b78eec50b",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x810180cd80e6a647ebf633705896dbf3ef1aa02fe9e53f9f73409a30088ed8e7",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x109faca76ae4862f3c37771617323cda3ae317d086ba5dc5ce7a74cf5c664f1a",
+                        "s" : "0x081288ed40e7ef24e3f66977fd510b6a5d11619571be38e0efb80de9a84c617a",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf8eace5f6fa86ec9c97a6d18362e47e6964e0861afc8a5e954c43808c7ce8bb7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a711",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f58ef",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d22g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g3v0Filler.json",
-            "sourceHash" : "af6841a0ab0a78f29ee003386a134ad0ac0bc9e04c21f80324dfdfc7afe94a06"
+            "sourceHash" : "d98b5611fdd86cd2c8520fb06cda16571842d75e810c3863d402beb595168911"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x0b807705fa1f22ff9cfa9cf9ca1221045056dfd6cb26fd00eb31c8d8f5e56713",
-                    "mixHash" : "0x97f17879fe1494a1313b99075569ed46a3c0784357b1d88578d99f3f64c66031",
-                    "nonce" : "0x60c3bfcfd252d364",
+                    "hash" : "0x363a2ff34ab54552185ab26c0b413eba825d5dafa074bb759b38e92fede8a741",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x810180cd80e6a647ebf633705896dbf3ef1aa02fe9e53f9f73409a30088ed8e7",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0b807705fa1f22ff9cfa9cf9ca1221045056dfd6cb26fd00eb31c8d8f5e56713",
+        "lastblockhash" : "0x363a2ff34ab54552185ab26c0b413eba825d5dafa074bb759b38e92fede8a741",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d22g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d22g3v0Filler.json",
-            "sourceHash" : "af6841a0ab0a78f29ee003386a134ad0ac0bc9e04c21f80324dfdfc7afe94a06"
+            "sourceHash" : "d98b5611fdd86cd2c8520fb06cda16571842d75e810c3863d402beb595168911"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9cf",
-                    "hash" : "0x72aa4e3bd2522087f0ed61e5363e5a6cc2a2517603c56764c821d825778db041",
-                    "mixHash" : "0x81346f1ed6501ca52dfe1846ebcb30ddc195515696b55351e371003e5ab1a699",
-                    "nonce" : "0x257c0a486ddc5170",
+                    "hash" : "0x363a2ff34ab54552185ab26c0b413eba825d5dafa074bb759b38e92fede8a741",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1b93c5f5727edc9e938d2b406db97b5841e0adfa949c51f73c2ce1e9fbda872f",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x810180cd80e6a647ebf633705896dbf3ef1aa02fe9e53f9f73409a30088ed8e7",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000020230",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x72aa4e3bd2522087f0ed61e5363e5a6cc2a2517603c56764c821d825778db041",
+        "lastblockhash" : "0x363a2ff34ab54552185ab26c0b413eba825d5dafa074bb759b38e92fede8a741",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g0v0.json
index fa866fdd5..861f0115d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d23g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g0v0Filler.json",
-            "sourceHash" : "282536cae107125936e65a99019982f633c469526dd523e936b2e92f54cc1978"
+            "sourceHash" : "ff0f3eeff0080614a580c361a34e0039b695f237a3a26ddfe74a065923978212"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x939e3e6ddbc08583c3441e294f403a833db86459c0a16dd1cd7eb4af0207d480",
-                    "mixHash" : "0xaded0cf5a34f3de4c05cebba6989c0ca487692f5c07378631413ba66d06e2609",
-                    "nonce" : "0x5580638c162004bb",
+                    "hash" : "0x6b88539c636203990003dd677ab14b397912eef6d06bf98a02c7660f14b535d8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xd7d57d54c7fce1d7b8e40997e6c62d702a9ca7e7aa3a63d5c6ee1efca39b2dd1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x491e942e540d7ee3e19dfcad84a5eae410c7e9387de6cccc630c1a53059f3d87",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa00fc49b1d9808d8c6d5b1977f29b1833b446aff70da8a86a5737d5e354d1ae44ea0491e942e540d7ee3e19dfcad84a5eae410c7e9387de6cccc630c1a53059f3d87a0d7d57d54c7fce1d7b8e40997e6c62d702a9ca7e7aa3a63d5c6ee1efca39b2dd1b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98b8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c5f8c380018405f5e10094100000000000000000000000000000000000000080b861000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002021ca0f2a120900e41e4196891e35b13e499f67a05b7e9cee93c4188837cb82b27f6afa03b9061ff1ae649337cf3c56cdb9cf3a7d2449140c1da86e75592cc0b96a328b3c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x939e3e6ddbc08583c3441e294f403a833db86459c0a16dd1cd7eb4af0207d480",
+        "lastblockhash" : "0x6b88539c636203990003dd677ab14b397912eef6d06bf98a02c7660f14b535d8",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d23g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g0v0Filler.json",
+            "sourceHash" : "ff0f3eeff0080614a580c361a34e0039b695f237a3a26ddfe74a065923978212"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cb",
+                    "hash" : "0xeb5096ac2115f2ef267a6d5d3864dd98fc6bd443c6db61315c620c2e359f454c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x4b545e09632a4739d20aa2052a0b466d7580cc846973ad3e5ba646d4007b1af1",
+                    "stateRoot" : "0x63b40f6e1d3c600b660c5847d78c14b06078d4b3261540ce3e994523bad0f3e8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x491e942e540d7ee3e19dfcad84a5eae410c7e9387de6cccc630c1a53059f3d87",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xf2a120900e41e4196891e35b13e499f67a05b7e9cee93c4188837cb82b27f6af",
+                        "s" : "0x3b9061ff1ae649337cf3c56cdb9cf3a7d2449140c1da86e75592cc0b96a328b3",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xeb5096ac2115f2ef267a6d5d3864dd98fc6bd443c6db61315c620c2e359f454c",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cb",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5935",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d23g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g0v0Filler.json",
-            "sourceHash" : "282536cae107125936e65a99019982f633c469526dd523e936b2e92f54cc1978"
+            "sourceHash" : "ff0f3eeff0080614a580c361a34e0039b695f237a3a26ddfe74a065923978212"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xb04dba7ef13ab710e47a19d761fbb41fddae15061cb7056756026844560f0868",
-                    "mixHash" : "0x57b0ac3fe9e8c31c1c9dfbc94ea96508f729b3812999e5b9ff2f3257923f38a8",
-                    "nonce" : "0xa1a66856895ab5ab",
+                    "hash" : "0x1a5e3403093ab97a4a528aedfd6f4065cc2a032809aaac4cfe4c2c3f21d392e5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x491e942e540d7ee3e19dfcad84a5eae410c7e9387de6cccc630c1a53059f3d87",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb04dba7ef13ab710e47a19d761fbb41fddae15061cb7056756026844560f0868",
+        "lastblockhash" : "0x1a5e3403093ab97a4a528aedfd6f4065cc2a032809aaac4cfe4c2c3f21d392e5",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d23g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g0v0Filler.json",
-            "sourceHash" : "282536cae107125936e65a99019982f633c469526dd523e936b2e92f54cc1978"
+            "sourceHash" : "ff0f3eeff0080614a580c361a34e0039b695f237a3a26ddfe74a065923978212"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x016aad8c6d2a1a00a0a6e98122324cfd5464f871020d82173067f542582f1793",
-                    "mixHash" : "0xc50bec6ad743005c1b1e6d7c6f511a615773ca3109c0c9ed77a379928ed883a8",
-                    "nonce" : "0x0b94df232eee1e0f",
+                    "hash" : "0x1a5e3403093ab97a4a528aedfd6f4065cc2a032809aaac4cfe4c2c3f21d392e5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x491e942e540d7ee3e19dfcad84a5eae410c7e9387de6cccc630c1a53059f3d87",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0f5919a219f4eb55b969295a6b8227aaa2494bdc9783ac95e23bc41a796b7f573a0491e942e540d7ee3e19dfcad84a5eae410c7e9387de6cccc630c1a53059f3d87a0ace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98b8203e880a0c50bec6ad743005c1b1e6d7c6f511a615773ca3109c0c9ed77a379928ed883a8880b94df232eee1e0ff8c5f8c380018405f5e10094100000000000000000000000000000000000000080b861000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002021ca0f2a120900e41e4196891e35b13e499f67a05b7e9cee93c4188837cb82b27f6afa03b9061ff1ae649337cf3c56cdb9cf3a7d2449140c1da86e75592cc0b96a328b3c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x016aad8c6d2a1a00a0a6e98122324cfd5464f871020d82173067f542582f1793",
+        "lastblockhash" : "0x1a5e3403093ab97a4a528aedfd6f4065cc2a032809aaac4cfe4c2c3f21d392e5",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g1v0.json
index 61ef8dee5..2f5bcb03e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d23g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g1v0Filler.json",
-            "sourceHash" : "2cf9bbc4b891c12242636e55423aea53a21e53a9e170b928e3bc464674b4ca19"
+            "sourceHash" : "5ea58f94ab4074d32695cac253599dc8f97f501844f7ce89abda0a73614621ef"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x0470707cb6ae6e71a0b6d290f29e7503346f9b97265648e900340397e7808902",
-                    "mixHash" : "0x3c081f00ffe823872c0b17ee98cbcded0bee0382a54e0f49eca89cececf37a42",
-                    "nonce" : "0xfa34b39d012a3929",
+                    "hash" : "0xd2e8ee0af42571c40bbc62e57705aa5de407aa776d253e3a65772aa5ad297700",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xd7d57d54c7fce1d7b8e40997e6c62d702a9ca7e7aa3a63d5c6ee1efca39b2dd1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x84af0b0d7198c9c26d253ee3d334619fc499483d37c5fdcc0d74d4cbad358bb2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x0470707cb6ae6e71a0b6d290f29e7503346f9b97265648e900340397e7808902",
+        "lastblockhash" : "0xd2e8ee0af42571c40bbc62e57705aa5de407aa776d253e3a65772aa5ad297700",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d23g1v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g1v0Filler.json",
+            "sourceHash" : "5ea58f94ab4074d32695cac253599dc8f97f501844f7ce89abda0a73614621ef"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cb",
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+            "gasUsed" : "0x00",
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+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0xb63bed05836a86d2c31a9f5e6974c847d035ffe3ca8797970526b476e1cdd256",
+        "network" : "Constantinople",
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+                "nonce" : "0x00",
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+                }
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cb",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5935",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d23g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g1v0Filler.json",
-            "sourceHash" : "2cf9bbc4b891c12242636e55423aea53a21e53a9e170b928e3bc464674b4ca19"
+            "sourceHash" : "5ea58f94ab4074d32695cac253599dc8f97f501844f7ce89abda0a73614621ef"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x9698d86b0af30ab42ae225d95d22a55ebbb8320b79eadc46aa4de12fec02b9f2",
-                    "mixHash" : "0x4a909e2ebea2368e8bc968c1dd3f7553c23ac0f7c2418d8815d807807c5a9a5e",
-                    "nonce" : "0x681955dd36512d0c",
+                    "hash" : "0x398751ed781d27d7110a409f72c170f1344195e065c5810a83070c5d19333500",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x84af0b0d7198c9c26d253ee3d334619fc499483d37c5fdcc0d74d4cbad358bb2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x9698d86b0af30ab42ae225d95d22a55ebbb8320b79eadc46aa4de12fec02b9f2",
+        "lastblockhash" : "0x398751ed781d27d7110a409f72c170f1344195e065c5810a83070c5d19333500",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d23g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g1v0Filler.json",
-            "sourceHash" : "2cf9bbc4b891c12242636e55423aea53a21e53a9e170b928e3bc464674b4ca19"
+            "sourceHash" : "5ea58f94ab4074d32695cac253599dc8f97f501844f7ce89abda0a73614621ef"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x7b31c965add620577e954f90c8babe75606d812a4a92663a5964cbe512a0ccfd",
-                    "mixHash" : "0x3211db8a0de3364ba5414e63aaf1a2d25ddc96e701e5d0f8140dd3856a67690c",
-                    "nonce" : "0x57fc3c88c8268fec",
+                    "hash" : "0x398751ed781d27d7110a409f72c170f1344195e065c5810a83070c5d19333500",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
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@@ -243,7 +354,7 @@
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                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x7b31c965add620577e954f90c8babe75606d812a4a92663a5964cbe512a0ccfd",
+        "lastblockhash" : "0x398751ed781d27d7110a409f72c170f1344195e065c5810a83070c5d19333500",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g2v0.json
index 0a9f417b5..1cd9b675b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d23g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g2v0Filler.json",
-            "sourceHash" : "7fe1fb2635d9d058f6e2e7edb9fd4dae01ab24340b945fddf7e0e15e137d2164"
+            "sourceHash" : "d72dfe68f1d543ea0e2cffed648ad35d7cf188de308b95dcfb4ad37d067846f5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x4c7ad7c5ed48ce3816850f3885ed27f33ef6e3664491f588220937cda615b953",
-                    "mixHash" : "0x17211a4bb2d7eead2cac586f6d8dc17f571739154b800b74e8fc17a0aa88a42f",
-                    "nonce" : "0x14a73bb2380fbcc6",
+                    "hash" : "0xc9a74b3835037082f623d155232cbd25d8f8db77580a8eeb8b874d94ddb7c40f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xd7d57d54c7fce1d7b8e40997e6c62d702a9ca7e7aa3a63d5c6ee1efca39b2dd1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x36c7e672eb880f1728a33860fd2a20afb188736cb69c0061995a9c25f83642ba",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4c7ad7c5ed48ce3816850f3885ed27f33ef6e3664491f588220937cda615b953",
+        "lastblockhash" : "0xc9a74b3835037082f623d155232cbd25d8f8db77580a8eeb8b874d94ddb7c40f",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d23g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g2v0Filler.json",
+            "sourceHash" : "d72dfe68f1d543ea0e2cffed648ad35d7cf188de308b95dcfb4ad37d067846f5"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cb",
+                    "hash" : "0xeb16f08ad2bcc530e5edc6bf631250211d06d6f83a1ca7f4751292559c9ac709",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x4b545e09632a4739d20aa2052a0b466d7580cc846973ad3e5ba646d4007b1af1",
+                    "stateRoot" : "0x63b40f6e1d3c600b660c5847d78c14b06078d4b3261540ce3e994523bad0f3e8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x36c7e672eb880f1728a33860fd2a20afb188736cb69c0061995a9c25f83642ba",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x5dade6bc4adef9433d62e87957cb36c7d5846cae18e7ecf1cc2135e904968a86",
+                        "s" : "0x29f775508fe1f62df5328498e9418a1840c33c868e18601f309b727f683e9006",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xeb16f08ad2bcc530e5edc6bf631250211d06d6f83a1ca7f4751292559c9ac709",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cb",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5935",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d23g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g2v0Filler.json",
-            "sourceHash" : "7fe1fb2635d9d058f6e2e7edb9fd4dae01ab24340b945fddf7e0e15e137d2164"
+            "sourceHash" : "d72dfe68f1d543ea0e2cffed648ad35d7cf188de308b95dcfb4ad37d067846f5"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xa959d1392f2e94de6fe077d2f4f021748e9363e49e109d99bf6483ede97354de",
-                    "mixHash" : "0x5048beda46645b83d9fa49ca4b0fe8a38c6e46ed3818237fb942216581896f92",
-                    "nonce" : "0x21a38b61bef2c97e",
+                    "hash" : "0x8146ee72098dc302f7ba459cbf86922d7fb6369cd6616440fa8f862f3f706787",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x36c7e672eb880f1728a33860fd2a20afb188736cb69c0061995a9c25f83642ba",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0f5919a219f4eb55b969295a6b8227aaa2494bdc9783ac95e23bc41a796b7f573a036c7e672eb880f1728a33860fd2a20afb188736cb69c0061995a9c25f83642baa0ace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98b8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c4f8c280018301adb094100000000000000000000000000000000000000080b861000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002021ba05dade6bc4adef9433d62e87957cb36c7d5846cae18e7ecf1cc2135e904968a86a029f775508fe1f62df5328498e9418a1840c33c868e18601f309b727f683e9006c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xa959d1392f2e94de6fe077d2f4f021748e9363e49e109d99bf6483ede97354de",
+        "lastblockhash" : "0x8146ee72098dc302f7ba459cbf86922d7fb6369cd6616440fa8f862f3f706787",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d23g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g2v0Filler.json",
-            "sourceHash" : "7fe1fb2635d9d058f6e2e7edb9fd4dae01ab24340b945fddf7e0e15e137d2164"
+            "sourceHash" : "d72dfe68f1d543ea0e2cffed648ad35d7cf188de308b95dcfb4ad37d067846f5"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xfa6ebd798fad2b7573c89623ff5938352f61635a6873a249d61c3bc94c947a5f",
-                    "mixHash" : "0x474ca222d6fd6c66da8528a9c2b654f7590a5d0c8a7821fc8ff20b3d6b64d144",
-                    "nonce" : "0x9a4f412f35f1a542",
+                    "hash" : "0x8146ee72098dc302f7ba459cbf86922d7fb6369cd6616440fa8f862f3f706787",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x36c7e672eb880f1728a33860fd2a20afb188736cb69c0061995a9c25f83642ba",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xfa6ebd798fad2b7573c89623ff5938352f61635a6873a249d61c3bc94c947a5f",
+        "lastblockhash" : "0x8146ee72098dc302f7ba459cbf86922d7fb6369cd6616440fa8f862f3f706787",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g3v0.json
index 84426681b..82fc122b1 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d23g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d23g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g3v0Filler.json",
-            "sourceHash" : "0040d5f9bdd18543fc5afb3d01426f54ae1ae6909aac000e29e57e1fe9a3fd84"
+            "sourceHash" : "f47e8ac04eb5d5e3d81a614d41620ad4601167c6d562256c4918583969d10d15"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xc4bb2948956d75d94e3f97e66df6bee3681160b31c85fcc055ff41b6bce61812",
-                    "mixHash" : "0xa75b547f2eb20f751c900f66ab3b3d313a0f48d34dec62c168eac2dbf1756f7a",
-                    "nonce" : "0x1c350101e6041b0f",
+                    "hash" : "0x2456d7a0bb16cd7c88e4d2e294d7862de84bba6dea30fe42626b4efc04db9067",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xd7d57d54c7fce1d7b8e40997e6c62d702a9ca7e7aa3a63d5c6ee1efca39b2dd1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd8fc2806d0613f1b15e3f4342f2446f740130b67ab1a2147b6ac2fcf9296736f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc4bb2948956d75d94e3f97e66df6bee3681160b31c85fcc055ff41b6bce61812",
+        "lastblockhash" : "0x2456d7a0bb16cd7c88e4d2e294d7862de84bba6dea30fe42626b4efc04db9067",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d23g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g3v0Filler.json",
+            "sourceHash" : "f47e8ac04eb5d5e3d81a614d41620ad4601167c6d562256c4918583969d10d15"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cb",
+                    "hash" : "0x782d4ffe839e0b91260e9c1da936940372e29a7df4315743cc469f84fcc5515f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x4b545e09632a4739d20aa2052a0b466d7580cc846973ad3e5ba646d4007b1af1",
+                    "stateRoot" : "0x63b40f6e1d3c600b660c5847d78c14b06078d4b3261540ce3e994523bad0f3e8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd8fc2806d0613f1b15e3f4342f2446f740130b67ab1a2147b6ac2fcf9296736f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xb8d790d88f7a22d2920a213cc1316529b9b61eca31f2791e9c23a475374ae1b8",
+                        "s" : "0x7e8e89aac6dfb5e77a1ff73b1507520ab1990089eafecb7e6921802eb19cb339",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x782d4ffe839e0b91260e9c1da936940372e29a7df4315743cc469f84fcc5515f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cb",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5935",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d23g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g3v0Filler.json",
-            "sourceHash" : "0040d5f9bdd18543fc5afb3d01426f54ae1ae6909aac000e29e57e1fe9a3fd84"
+            "sourceHash" : "f47e8ac04eb5d5e3d81a614d41620ad4601167c6d562256c4918583969d10d15"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xd61831741e8ae67110ea36d52438de4222e18ec7d34db63236fb8bcb79b18890",
-                    "mixHash" : "0x54297c942976cc95defbbe0db08809d1bf4047fcbac395010963fcc2a134b082",
-                    "nonce" : "0x2905db027fd945aa",
+                    "hash" : "0x4e75c5a0485092020dc8b641ce322a418b31c6381c492713b0bf33e035dab161",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xd8fc2806d0613f1b15e3f4342f2446f740130b67ab1a2147b6ac2fcf9296736f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0f5919a219f4eb55b969295a6b8227aaa2494bdc9783ac95e23bc41a796b7f573a0d8fc2806d0613f1b15e3f4342f2446f740130b67ab1a2147b6ac2fcf9296736fa0ace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98b8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c4f8c2800183030d4094100000000000000000000000000000000000000080b861000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002021ca0b8d790d88f7a22d2920a213cc1316529b9b61eca31f2791e9c23a475374ae1b8a07e8e89aac6dfb5e77a1ff73b1507520ab1990089eafecb7e6921802eb19cb339c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd61831741e8ae67110ea36d52438de4222e18ec7d34db63236fb8bcb79b18890",
+        "lastblockhash" : "0x4e75c5a0485092020dc8b641ce322a418b31c6381c492713b0bf33e035dab161",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d23g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d23g3v0Filler.json",
-            "sourceHash" : "0040d5f9bdd18543fc5afb3d01426f54ae1ae6909aac000e29e57e1fe9a3fd84"
+            "sourceHash" : "f47e8ac04eb5d5e3d81a614d41620ad4601167c6d562256c4918583969d10d15"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xad851ad085cd395a8d1c30b97be7f9087080744a8aa3d1e1c6811a7e3aecbff1",
-                    "mixHash" : "0x003c8229bb0f9e57fb449352e9a239c87e82bb5d8260113ec4c18dca0e7b3179",
-                    "nonce" : "0x4fa049c79c434f94",
+                    "hash" : "0x4e75c5a0485092020dc8b641ce322a418b31c6381c492713b0bf33e035dab161",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xd8fc2806d0613f1b15e3f4342f2446f740130b67ab1a2147b6ac2fcf9296736f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000202",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xad851ad085cd395a8d1c30b97be7f9087080744a8aa3d1e1c6811a7e3aecbff1",
+        "lastblockhash" : "0x4e75c5a0485092020dc8b641ce322a418b31c6381c492713b0bf33e035dab161",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g0v0.json
index 31b28f2f9..6f7ea253d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d24g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g0v0Filler.json",
-            "sourceHash" : "fa6dce120ad8e6e94f1337ba35ec8c345607bd33280d8fdf6124548cd629411d"
+            "sourceHash" : "2998c242c0922e8d6834771b74dc3bf6cf8084deba7b509794bd218741cfc283"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0x76143cdec39b0435fef69f29bd90c980a5e1b03b6ae8e67a03d09e54b534da15",
-                    "mixHash" : "0x5c03d46211728d0451ee27f346a68506069c0d85c4e54ac1cd87a7dad0c60d76",
-                    "nonce" : "0x385773ec4ebe0908",
+                    "hash" : "0xb4f74b768be6d4e6705519bfe86992fafbca000d67c59dfd1e62e16e8e605964",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x99d994ea053b1acdcd5375565e9420b41f20a7a052f99b22662823be8c80ac22",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9332a74725c19c93b0888138163f5f1086bbb75388682bbc0b33b48402619586",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x76143cdec39b0435fef69f29bd90c980a5e1b03b6ae8e67a03d09e54b534da15",
+        "lastblockhash" : "0xb4f74b768be6d4e6705519bfe86992fafbca000d67c59dfd1e62e16e8e605964",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d24g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g0v0Filler.json",
+            "sourceHash" : "2998c242c0922e8d6834771b74dc3bf6cf8084deba7b509794bd218741cfc283"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa684",
+                    "hash" : "0xaeb25dbdce269d294833c501f55c4b1fef48bfb344e753504c96980b3618f9a4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x2158578a5910fd2f56938c470258f66a055dcae6d6cfaaad78becd6dc4a9fa14",
+                    "stateRoot" : "0xcb99c70706ef661d6a6d5b839b22735e88e0b8a6218b46ff0d7e1e34359a33b7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9332a74725c19c93b0888138163f5f1086bbb75388682bbc0b33b48402619586",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x529ab831eac516de3eab034292899ebcdc2a51cebd1cdebdcebad16b6bf7a2dc",
+                        "s" : "0x144da8c41d2284f134abf1f92e942677b3e6ad18e5cc6d1b04f0bbd8c702a422",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xaeb25dbdce269d294833c501f55c4b1fef48bfb344e753504c96980b3618f9a4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a684",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f597c",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d24g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g0v0Filler.json",
-            "sourceHash" : "fa6dce120ad8e6e94f1337ba35ec8c345607bd33280d8fdf6124548cd629411d"
+            "sourceHash" : "2998c242c0922e8d6834771b74dc3bf6cf8084deba7b509794bd218741cfc283"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0x43c4db3184ed0701cc83fa1f565f249a7e7c30ed192ecbb39c688c43f953c0a0",
-                    "mixHash" : "0xf9be62329b1142b0193aeacc6a7153688ac6e605cf92866c1fefc4c706979483",
-                    "nonce" : "0x17302eb6a0ebe908",
+                    "hash" : "0xffb3b114e6150f35996d4340b48eecf4cb4acc57e6deb3b92fdafe804ae450db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xbab1d03c512411e38f8407bb86cbf6b64230b8e543711f0073cefa0a810cfd5e",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x9332a74725c19c93b0888138163f5f1086bbb75388682bbc0b33b48402619586",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x43c4db3184ed0701cc83fa1f565f249a7e7c30ed192ecbb39c688c43f953c0a0",
+        "lastblockhash" : "0xffb3b114e6150f35996d4340b48eecf4cb4acc57e6deb3b92fdafe804ae450db",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d24g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g0v0Filler.json",
-            "sourceHash" : "fa6dce120ad8e6e94f1337ba35ec8c345607bd33280d8fdf6124548cd629411d"
+            "sourceHash" : "2998c242c0922e8d6834771b74dc3bf6cf8084deba7b509794bd218741cfc283"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0x60dca0b0a402137b62bc43bd33de2d16d47632d8ffd7e57be36c58a28960cfce",
-                    "mixHash" : "0x60bb572689a570a621fd855353189709bd2876ff96835d6e958f997be2053ecc",
-                    "nonce" : "0xa5cd27c3d8c15728",
+                    "hash" : "0xffb3b114e6150f35996d4340b48eecf4cb4acc57e6deb3b92fdafe804ae450db",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xbab1d03c512411e38f8407bb86cbf6b64230b8e543711f0073cefa0a810cfd5e",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x9332a74725c19c93b0888138163f5f1086bbb75388682bbc0b33b48402619586",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x60dca0b0a402137b62bc43bd33de2d16d47632d8ffd7e57be36c58a28960cfce",
+        "lastblockhash" : "0xffb3b114e6150f35996d4340b48eecf4cb4acc57e6deb3b92fdafe804ae450db",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g1v0.json
index 5e9306af5..33b9f6dfb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d24g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g1v0Filler.json",
-            "sourceHash" : "18ee82550d281a96814021ac9d8b251bded423a77ac1bffd0c48c92a9f666744"
+            "sourceHash" : "b2493409cbf88560a9226ba4c62777d06fd3c43f47c9f0298520e1b62a881466"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0x48b0622d10f3223661bd2e889e7dad402eb481e639b046e00184c6808f41b753",
-                    "mixHash" : "0x6fa0dca687d2223fb0a895f975b368c2981cc387ef92de2f0dc5748b95acde63",
-                    "nonce" : "0x7680da3979a408f3",
+                    "hash" : "0x56eb3cb08e3ada734864bfb0019b43b46ec27e5a8d6d909d9118533941d17114",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x99d994ea053b1acdcd5375565e9420b41f20a7a052f99b22662823be8c80ac22",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa8f0f62face750933455ba579948da9c49f357f91bf331b3f710e851990ca054",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x48b0622d10f3223661bd2e889e7dad402eb481e639b046e00184c6808f41b753",
+        "lastblockhash" : "0x56eb3cb08e3ada734864bfb0019b43b46ec27e5a8d6d909d9118533941d17114",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d24g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g1v0Filler.json",
+            "sourceHash" : "b2493409cbf88560a9226ba4c62777d06fd3c43f47c9f0298520e1b62a881466"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa684",
+                    "hash" : "0xab3edb0575e90dde63e6e8a4ce9ef824c59f0213ed34632bb25c2a582f0ef6f9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x2158578a5910fd2f56938c470258f66a055dcae6d6cfaaad78becd6dc4a9fa14",
+                    "stateRoot" : "0xcb99c70706ef661d6a6d5b839b22735e88e0b8a6218b46ff0d7e1e34359a33b7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa8f0f62face750933455ba579948da9c49f357f91bf331b3f710e851990ca054",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x1a0350c3d9a923aff3c2051598f8b1b60f9ec1d85463b175d17814822b382f04",
+                        "s" : "0x7492756090062da7dbc308d41f1f0fcb4052e5244bd5b60acac76d4138de9372",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xab3edb0575e90dde63e6e8a4ce9ef824c59f0213ed34632bb25c2a582f0ef6f9",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a684",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f597c",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d24g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g1v0Filler.json",
-            "sourceHash" : "18ee82550d281a96814021ac9d8b251bded423a77ac1bffd0c48c92a9f666744"
+            "sourceHash" : "b2493409cbf88560a9226ba4c62777d06fd3c43f47c9f0298520e1b62a881466"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0xa8097b6a33cec463e51e96e81a9400054b0d8ef0de0faacc13a5bf14a7b857c9",
-                    "mixHash" : "0x3b77f41018ff28af1464ada90ad7d4e60eed395456b0841b29ab1e921df726fd",
-                    "nonce" : "0x0f1011e306f4dae9",
+                    "hash" : "0x84a4e0741bc2b28cbf64beb834c7996015edbaa3cd504c4c58812ee8834e62ff",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xbab1d03c512411e38f8407bb86cbf6b64230b8e543711f0073cefa0a810cfd5e",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xa8f0f62face750933455ba579948da9c49f357f91bf331b3f710e851990ca054",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xa8097b6a33cec463e51e96e81a9400054b0d8ef0de0faacc13a5bf14a7b857c9",
+        "lastblockhash" : "0x84a4e0741bc2b28cbf64beb834c7996015edbaa3cd504c4c58812ee8834e62ff",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d24g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g1v0Filler.json",
-            "sourceHash" : "18ee82550d281a96814021ac9d8b251bded423a77ac1bffd0c48c92a9f666744"
+            "sourceHash" : "b2493409cbf88560a9226ba4c62777d06fd3c43f47c9f0298520e1b62a881466"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0xa4f9698f58776a3a414aaa6f89e9c5523ab25f36abfaf5e84b1478fcb65fd701",
-                    "mixHash" : "0xf243b1a22cbd3bcd2d6dab3295953a5179e46ea89751bf987544a2dee6b5ae66",
-                    "nonce" : "0x6a157d12fa6f8208",
+                    "hash" : "0x84a4e0741bc2b28cbf64beb834c7996015edbaa3cd504c4c58812ee8834e62ff",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xbab1d03c512411e38f8407bb86cbf6b64230b8e543711f0073cefa0a810cfd5e",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xa8f0f62face750933455ba579948da9c49f357f91bf331b3f710e851990ca054",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa4f9698f58776a3a414aaa6f89e9c5523ab25f36abfaf5e84b1478fcb65fd701",
+        "lastblockhash" : "0x84a4e0741bc2b28cbf64beb834c7996015edbaa3cd504c4c58812ee8834e62ff",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g2v0.json
index 69324a270..3ac3023d1 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d24g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g2v0Filler.json",
-            "sourceHash" : "f6646572df4a60681059b950ac8b657386068e73141720897ba2f552bea185d7"
+            "sourceHash" : "8ffaa1c46c4c40fc15a0564e3356ba52b36a517822757b14b629cc45f6271a97"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0x8244503f0daaf0a298282032f76bb71fac1e3681e18178be3e0df868dcc492e0",
-                    "mixHash" : "0x65aff119f5738a0769bbab744fa231fdbe6505bffdf3f11d61b101d7905a2524",
-                    "nonce" : "0x4bf209e85893fb80",
+                    "hash" : "0x3585d297cd1a436ab7aa04cfacc4fb998f39eabcc1e70c9fbfe8a532f07025d6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x99d994ea053b1acdcd5375565e9420b41f20a7a052f99b22662823be8c80ac22",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe7c1f21aa11f68e8bfb21a7f29c160b54d91c51aa6ea397455a64526603985ea",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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                 "transactions" : [
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                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x8244503f0daaf0a298282032f76bb71fac1e3681e18178be3e0df868dcc492e0",
+        "lastblockhash" : "0x3585d297cd1a436ab7aa04cfacc4fb998f39eabcc1e70c9fbfe8a532f07025d6",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d24g2v0_Constantinople" : {
+        "_info" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+            "sourceHash" : "8ffaa1c46c4c40fc15a0564e3356ba52b36a517822757b14b629cc45f6271a97"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa684",
+                    "hash" : "0x82b91dbe720cecba6742f19eb99e33c5e22beb8a61d75c37888c8da54c144c48",
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+            "difficulty" : "0x020000",
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+            "gasLimit" : "0x02540be400",
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+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
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+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+        "lastblockhash" : "0x82b91dbe720cecba6742f19eb99e33c5e22beb8a61d75c37888c8da54c144c48",
+        "network" : "Constantinople",
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+                "nonce" : "0x00",
+                "storage" : {
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+                }
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a684",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f597c",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d24g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g2v0Filler.json",
-            "sourceHash" : "f6646572df4a60681059b950ac8b657386068e73141720897ba2f552bea185d7"
+            "sourceHash" : "8ffaa1c46c4c40fc15a0564e3356ba52b36a517822757b14b629cc45f6271a97"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0xdd6a34e2b0dc0e192eb12598d47888bb5e5a406d79c70c7da1a8b4591061875e",
-                    "mixHash" : "0x677628e6b469a3e679f3465a460627ae1d8e210eb233beffeb9c4607d44e536a",
-                    "nonce" : "0xce22d2c2718ecca1",
+                    "hash" : "0xd5db5993c1a2fc6001f95fff2d7d12879f44e9a1d8b0ccc83308446f24f00f0a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
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@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xe7c1f21aa11f68e8bfb21a7f29c160b54d91c51aa6ea397455a64526603985ea",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xdd6a34e2b0dc0e192eb12598d47888bb5e5a406d79c70c7da1a8b4591061875e",
+        "lastblockhash" : "0xd5db5993c1a2fc6001f95fff2d7d12879f44e9a1d8b0ccc83308446f24f00f0a",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d24g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g2v0Filler.json",
-            "sourceHash" : "f6646572df4a60681059b950ac8b657386068e73141720897ba2f552bea185d7"
+            "sourceHash" : "8ffaa1c46c4c40fc15a0564e3356ba52b36a517822757b14b629cc45f6271a97"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0x91c9652e11c2af579f620db4a62fdfb47c19d47c51e329c87eaca918659dbe1e",
-                    "mixHash" : "0x86da6fb0e8ca610356fd8d2312a0903050962453147d31e75331eff036ae4dd5",
-                    "nonce" : "0xfff638810df58474",
+                    "hash" : "0xd5db5993c1a2fc6001f95fff2d7d12879f44e9a1d8b0ccc83308446f24f00f0a",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
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@@ -243,7 +354,7 @@
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                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x91c9652e11c2af579f620db4a62fdfb47c19d47c51e329c87eaca918659dbe1e",
+        "lastblockhash" : "0xd5db5993c1a2fc6001f95fff2d7d12879f44e9a1d8b0ccc83308446f24f00f0a",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g3v0.json
index 4006720f8..813ae7ad5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d24g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d24g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g3v0Filler.json",
-            "sourceHash" : "f2a542e5c7c4e9be4e6a0b49477c60680c563dd82ac1d591b625dcfee426b9a4"
+            "sourceHash" : "8ba783036d304cf65e70520275d9525aefdc7e5251633f97c1216bab8520aa20"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0x083c7764ee5f470a8a57140e862f721b6d4101ddeb0374cf978c4e6160809f4e",
-                    "mixHash" : "0xf5887263d135106ccde8bda11b7bae40713ad5dc93c469c7b1d9e992f356b4ef",
-                    "nonce" : "0x2ea55d3043539683",
+                    "hash" : "0xd8d1fb0a7cd6c1bd078059a66e815b6b001256013be25a50883de4225cd25047",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x99d994ea053b1acdcd5375565e9420b41f20a7a052f99b22662823be8c80ac22",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf8a1a9bc52eaa307fa1e43ad2eee928314838b8de81878a2492abaceebb64057",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c2f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa04ec4dd19d3cf62815af0f8786c1c4cd3d36aedeba10c6112cfd2644697cceca3a0f8a1a9bc52eaa307fa1e43ad2eee928314838b8de81878a2492abaceebb64057a099d994ea053b1acdcd5375565e9420b41f20a7a052f99b22662823be8c80ac22b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9448203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c3f8c1800183030d4094100000000000000000000000000000000000000080b8600000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021ba0d724299deb1ba4778714cb9b52be7123b49c83c04a0281bfe50ba751f227f66ea039c4fabdf1800a29600ae425fb481a1652795100b4cede6743fbcd876330c649c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x083c7764ee5f470a8a57140e862f721b6d4101ddeb0374cf978c4e6160809f4e",
+        "lastblockhash" : "0xd8d1fb0a7cd6c1bd078059a66e815b6b001256013be25a50883de4225cd25047",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d24g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g3v0Filler.json",
+            "sourceHash" : "8ba783036d304cf65e70520275d9525aefdc7e5251633f97c1216bab8520aa20"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa684",
+                    "hash" : "0x9ebba31e3cc8d18beb69c3db675bcbda65b964c1cda1d620aee1dfb50ebbec8b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x2158578a5910fd2f56938c470258f66a055dcae6d6cfaaad78becd6dc4a9fa14",
+                    "stateRoot" : "0xcb99c70706ef661d6a6d5b839b22735e88e0b8a6218b46ff0d7e1e34359a33b7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf8a1a9bc52eaa307fa1e43ad2eee928314838b8de81878a2492abaceebb64057",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf902c2f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0cb99c70706ef661d6a6d5b839b22735e88e0b8a6218b46ff0d7e1e34359a33b7a0f8a1a9bc52eaa307fa1e43ad2eee928314838b8de81878a2492abaceebb64057a02158578a5910fd2f56938c470258f66a055dcae6d6cfaaad78becd6dc4a9fa14b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082a6848203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c3f8c1800183030d4094100000000000000000000000000000000000000080b8600000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000021ba0d724299deb1ba4778714cb9b52be7123b49c83c04a0281bfe50ba751f227f66ea039c4fabdf1800a29600ae425fb481a1652795100b4cede6743fbcd876330c649c0",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xd724299deb1ba4778714cb9b52be7123b49c83c04a0281bfe50ba751f227f66e",
+                        "s" : "0x39c4fabdf1800a29600ae425fb481a1652795100b4cede6743fbcd876330c649",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9ebba31e3cc8d18beb69c3db675bcbda65b964c1cda1d620aee1dfb50ebbec8b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a684",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f597c",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d24g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g3v0Filler.json",
-            "sourceHash" : "f2a542e5c7c4e9be4e6a0b49477c60680c563dd82ac1d591b625dcfee426b9a4"
+            "sourceHash" : "8ba783036d304cf65e70520275d9525aefdc7e5251633f97c1216bab8520aa20"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0x033dd0ea4c4823f321802a72dde77cf997baaa39429c7023f46c3494a836a4b9",
-                    "mixHash" : "0x3876046b15dcd7642cb91068745fd03cddc3d470da91f5dc8f76dd33ba82d284",
-                    "nonce" : "0x46aed656601df9ff",
+                    "hash" : "0x22c6f6ecfa36476efa558aa85f28ece080d0e23fffda88316d657f1ab8dd4488",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xbab1d03c512411e38f8407bb86cbf6b64230b8e543711f0073cefa0a810cfd5e",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xf8a1a9bc52eaa307fa1e43ad2eee928314838b8de81878a2492abaceebb64057",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x033dd0ea4c4823f321802a72dde77cf997baaa39429c7023f46c3494a836a4b9",
+        "lastblockhash" : "0x22c6f6ecfa36476efa558aa85f28ece080d0e23fffda88316d657f1ab8dd4488",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d24g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d24g3v0Filler.json",
-            "sourceHash" : "f2a542e5c7c4e9be4e6a0b49477c60680c563dd82ac1d591b625dcfee426b9a4"
+            "sourceHash" : "8ba783036d304cf65e70520275d9525aefdc7e5251633f97c1216bab8520aa20"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb944",
-                    "hash" : "0xed36894f373a89909b04b4c964fe5671fd2b7a84f9968866656fc02a2d95efb0",
-                    "mixHash" : "0xb808d519b6fc1e79f33f791a3b86ac7a73bb1e57584abd742d838ff9e2d8d8d9",
-                    "nonce" : "0x37b505e08656ee65",
+                    "hash" : "0x22c6f6ecfa36476efa558aa85f28ece080d0e23fffda88316d657f1ab8dd4488",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xbab1d03c512411e38f8407bb86cbf6b64230b8e543711f0073cefa0a810cfd5e",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xf8a1a9bc52eaa307fa1e43ad2eee928314838b8de81878a2492abaceebb64057",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xed36894f373a89909b04b4c964fe5671fd2b7a84f9968866656fc02a2d95efb0",
+        "lastblockhash" : "0x22c6f6ecfa36476efa558aa85f28ece080d0e23fffda88316d657f1ab8dd4488",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g0v0.json
index fa0c6124f..1c182814f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d25g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g0v0Filler.json",
-            "sourceHash" : "3d90e462499c9970c2192dbf4138ed11d4acb7cfe0374e46e61a933221e39097"
+            "sourceHash" : "35da61568e6667493f479f820ccd419b93dceee6ce71297ee8c96a1a9bed6aeb"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4fa",
-                    "hash" : "0xf79b1ab43cb6b306a9bb89385119f3054001360a810a3be30b5b60e4f12ddc59",
-                    "mixHash" : "0xf037552dab65642f3bef0cd591c9c381b987e897d3bfb47ffed6bc79cc8aceb7",
-                    "nonce" : "0x0a4a6a45ca2d141b",
+                    "hash" : "0x5abcfceac3bb3a848382aca9fd4076cc698048fc619b6bb25b06048156770141",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x45f5458f715598bd69ac6b1682455926ea43fe09954dcb901442155e77ed8091",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xfa04151cd3d1cf5fcb1ae78eb952ab7ddab919309027ec54141a6c3bd81fbe2d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xf79b1ab43cb6b306a9bb89385119f3054001360a810a3be30b5b60e4f12ddc59",
+        "lastblockhash" : "0x5abcfceac3bb3a848382aca9fd4076cc698048fc619b6bb25b06048156770141",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d25g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g0v0Filler.json",
+            "sourceHash" : "35da61568e6667493f479f820ccd419b93dceee6ce71297ee8c96a1a9bed6aeb"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4fa",
+                    "hash" : "0xfc3e530c8437d8135720b311bbec21cc47192cdb8c923bb1b244031c945df25f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x45f5458f715598bd69ac6b1682455926ea43fe09954dcb901442155e77ed8091",
+                    "stateRoot" : "0x2c65c144aaef0930dfad5a3fc0fdefcea647e3d71f1fb4f05c5fa389e1c4cb14",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xfa04151cd3d1cf5fcb1ae78eb952ab7ddab919309027ec54141a6c3bd81fbe2d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x638c3c802f75dab6aa71669a6c37c8c1ce9f16aa349e86d227202691e65200ba",
+                        "s" : "0x2b46d4349d4e269ce3fd2e248ec172ac3b1d5c994f13b3dfa5cbcded180c0a56",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xfc3e530c8437d8135720b311bbec21cc47192cdb8c923bb1b244031c945df25f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d25g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g0v0Filler.json",
-            "sourceHash" : "3d90e462499c9970c2192dbf4138ed11d4acb7cfe0374e46e61a933221e39097"
+            "sourceHash" : "35da61568e6667493f479f820ccd419b93dceee6ce71297ee8c96a1a9bed6aeb"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba5f",
-                    "hash" : "0xd3bd8a1a7aa573688e8f8f9d8362a52968a5f8f4d45cfefe78a1168295154bf7",
-                    "mixHash" : "0x0a46c4e4e22c92cac86666caabb75535adb6bf34c994ecccb0942c39cc151575",
-                    "nonce" : "0xba0112abe74996ee",
+                    "hash" : "0x2084320ed32195a323c46185f1af5283ad1bd5151e120fec27c70556807f757c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc954780ba10e43178408e87d967f08780ead210196c06ab068ffd77388a653b7",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xfa04151cd3d1cf5fcb1ae78eb952ab7ddab919309027ec54141a6c3bd81fbe2d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd3bd8a1a7aa573688e8f8f9d8362a52968a5f8f4d45cfefe78a1168295154bf7",
+        "lastblockhash" : "0x2084320ed32195a323c46185f1af5283ad1bd5151e120fec27c70556807f757c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d25g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g0v0Filler.json",
-            "sourceHash" : "3d90e462499c9970c2192dbf4138ed11d4acb7cfe0374e46e61a933221e39097"
+            "sourceHash" : "35da61568e6667493f479f820ccd419b93dceee6ce71297ee8c96a1a9bed6aeb"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba5f",
-                    "hash" : "0xbdb1038b3aaff6c55eb337845f26be077a0c6a623f4fb33da9d7e852771ed016",
-                    "mixHash" : "0x453cc395597b51d4613448ceb9ffa96445a37ce2e37d74fc974e087d387fdaa5",
-                    "nonce" : "0x3db02c7008fb44f1",
+                    "hash" : "0x2084320ed32195a323c46185f1af5283ad1bd5151e120fec27c70556807f757c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc954780ba10e43178408e87d967f08780ead210196c06ab068ffd77388a653b7",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xfa04151cd3d1cf5fcb1ae78eb952ab7ddab919309027ec54141a6c3bd81fbe2d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbdb1038b3aaff6c55eb337845f26be077a0c6a623f4fb33da9d7e852771ed016",
+        "lastblockhash" : "0x2084320ed32195a323c46185f1af5283ad1bd5151e120fec27c70556807f757c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g1v0.json
index 47dbcb1ce..e25bf9454 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d25g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g1v0Filler.json",
-            "sourceHash" : "c48bd492ffc55d826da22f8054929560e8ebc383728da8e7d624c1e581f51951"
+            "sourceHash" : "4044ef1f2584c4a4a57b6bb506ee0af92a339bed25531141d4a0a45b6b0eb197"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4fa",
-                    "hash" : "0x072d14e12201d34f9105be89233178fe35afa4cc2efe277604b6848613b03657",
-                    "mixHash" : "0x4e3ea02da5f0991dd671dfaef7ccd807c3407558cfedd5d9905a8b2f43244e1d",
-                    "nonce" : "0xe2e323bb9366e4a6",
+                    "hash" : "0xabda409e9b1515c5c6eb51b18628598341241ab7102a728a2e448617ea8f390b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x45f5458f715598bd69ac6b1682455926ea43fe09954dcb901442155e77ed8091",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x71ce21d0d6685683c59e355c0acc1e351158d883cdda0360eb1607705859fbbb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x072d14e12201d34f9105be89233178fe35afa4cc2efe277604b6848613b03657",
+        "lastblockhash" : "0xabda409e9b1515c5c6eb51b18628598341241ab7102a728a2e448617ea8f390b",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d25g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g1v0Filler.json",
+            "sourceHash" : "4044ef1f2584c4a4a57b6bb506ee0af92a339bed25531141d4a0a45b6b0eb197"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4fa",
+                    "hash" : "0xb561939e86d978afd2b88762242387cadee9b764a61be8bfd3fa34cf9fc6fce3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x45f5458f715598bd69ac6b1682455926ea43fe09954dcb901442155e77ed8091",
+                    "stateRoot" : "0x2c65c144aaef0930dfad5a3fc0fdefcea647e3d71f1fb4f05c5fa389e1c4cb14",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x71ce21d0d6685683c59e355c0acc1e351158d883cdda0360eb1607705859fbbb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xa847cf260cfb42a926470ea05554a8f789ee724d36ffa946d1496e49b36618cf",
+                        "s" : "0x19c6ce68590bcbc531d30bbccf88e8932e3b16825296effbf10eaeaeef697f19",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb561939e86d978afd2b88762242387cadee9b764a61be8bfd3fa34cf9fc6fce3",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d25g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g1v0Filler.json",
-            "sourceHash" : "c48bd492ffc55d826da22f8054929560e8ebc383728da8e7d624c1e581f51951"
+            "sourceHash" : "4044ef1f2584c4a4a57b6bb506ee0af92a339bed25531141d4a0a45b6b0eb197"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba5f",
-                    "hash" : "0xbab26d2d9f7e207de10ce29dd2a3f3e4401801f54c87ed9c1c1d5463bd2da4b9",
-                    "mixHash" : "0x96060402b87c6fca7cd4b61248e9ea048a6f002c6adf49f0f3a7f01368a61c57",
-                    "nonce" : "0xe943d16e60fa8ba0",
+                    "hash" : "0x1e2193e718f4c4beec8fe3526aeb01c60c5526caee57a0149bf707df294eead3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc954780ba10e43178408e87d967f08780ead210196c06ab068ffd77388a653b7",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x71ce21d0d6685683c59e355c0acc1e351158d883cdda0360eb1607705859fbbb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbab26d2d9f7e207de10ce29dd2a3f3e4401801f54c87ed9c1c1d5463bd2da4b9",
+        "lastblockhash" : "0x1e2193e718f4c4beec8fe3526aeb01c60c5526caee57a0149bf707df294eead3",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d25g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g1v0Filler.json",
-            "sourceHash" : "c48bd492ffc55d826da22f8054929560e8ebc383728da8e7d624c1e581f51951"
+            "sourceHash" : "4044ef1f2584c4a4a57b6bb506ee0af92a339bed25531141d4a0a45b6b0eb197"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba5f",
-                    "hash" : "0x4cd732235ef659fd2c32065e0062a88ba2de3c5043cc9d8466cbc13a0815c699",
-                    "mixHash" : "0x84e539d3c04fbe6f777d1306bd7b872bc385b48330b162ffee1724f8760e08c2",
-                    "nonce" : "0xe251d11e0706454c",
+                    "hash" : "0x1e2193e718f4c4beec8fe3526aeb01c60c5526caee57a0149bf707df294eead3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc954780ba10e43178408e87d967f08780ead210196c06ab068ffd77388a653b7",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x71ce21d0d6685683c59e355c0acc1e351158d883cdda0360eb1607705859fbbb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4cd732235ef659fd2c32065e0062a88ba2de3c5043cc9d8466cbc13a0815c699",
+        "lastblockhash" : "0x1e2193e718f4c4beec8fe3526aeb01c60c5526caee57a0149bf707df294eead3",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g2v0.json
index 17b1e8405..9293bb822 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d25g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g2v0Filler.json",
-            "sourceHash" : "0c40b12ccd37227e9e058e0cdb4755e261c0bc08c42dfffc3e4f4686862a5d1f"
+            "sourceHash" : "e80e71c1669df6b857577ebf887341b38da197eeca592407ba85aa8941f27884"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4fa",
-                    "hash" : "0x3bc11e594a159a096db0d6e0fd1c2017d5329ee513ac3b262360d77b14314123",
-                    "mixHash" : "0x02a53856cd8e1932cb7a2dfa65cc784b75c242dea4544b8bafec7e20ac0b725a",
-                    "nonce" : "0xf0860bca45ff6709",
+                    "hash" : "0x81cb9ea8e88c00a5739ae56e65a286a32328cae5acd94b35eb2aca5fb446a2c3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x45f5458f715598bd69ac6b1682455926ea43fe09954dcb901442155e77ed8091",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8f205a651ffdd903b6edea3f36cada3c378e445779072a2c459aea6d54019c85",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3bc11e594a159a096db0d6e0fd1c2017d5329ee513ac3b262360d77b14314123",
+        "lastblockhash" : "0x81cb9ea8e88c00a5739ae56e65a286a32328cae5acd94b35eb2aca5fb446a2c3",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d25g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g2v0Filler.json",
+            "sourceHash" : "e80e71c1669df6b857577ebf887341b38da197eeca592407ba85aa8941f27884"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4fa",
+                    "hash" : "0xd4678ba11b0bcb8e5611ee25a6fa8feb40c0e982fca1eb21b1ccc72ac5014072",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x45f5458f715598bd69ac6b1682455926ea43fe09954dcb901442155e77ed8091",
+                    "stateRoot" : "0x2c65c144aaef0930dfad5a3fc0fdefcea647e3d71f1fb4f05c5fa389e1c4cb14",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8f205a651ffdd903b6edea3f36cada3c378e445779072a2c459aea6d54019c85",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xa5639e12c12bd5177092b95bab67d2a89f62fc513916fa30a6546426a595069a",
+                        "s" : "0x0a78031e51af0c2d6b76801760f24bc40e0ecd6589d8a74efca3de7ebf687162",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd4678ba11b0bcb8e5611ee25a6fa8feb40c0e982fca1eb21b1ccc72ac5014072",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d25g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g2v0Filler.json",
-            "sourceHash" : "0c40b12ccd37227e9e058e0cdb4755e261c0bc08c42dfffc3e4f4686862a5d1f"
+            "sourceHash" : "e80e71c1669df6b857577ebf887341b38da197eeca592407ba85aa8941f27884"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba5f",
-                    "hash" : "0x538ddd4ba917ef9c944587183455fb7d009e2b78be79e87eec102e1dfdfc608b",
-                    "mixHash" : "0xcb9cdaeb283b09e0df03e802c0788819ea32f7b805131ebfa23ca6b17543b93d",
-                    "nonce" : "0x26f49e6b6306a578",
+                    "hash" : "0xe3360dd8ebf2e50b846f7e2ed831995da79fa711c5673b1fb760d89e88f60d22",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc954780ba10e43178408e87d967f08780ead210196c06ab068ffd77388a653b7",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x8f205a651ffdd903b6edea3f36cada3c378e445779072a2c459aea6d54019c85",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x538ddd4ba917ef9c944587183455fb7d009e2b78be79e87eec102e1dfdfc608b",
+        "lastblockhash" : "0xe3360dd8ebf2e50b846f7e2ed831995da79fa711c5673b1fb760d89e88f60d22",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d25g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g2v0Filler.json",
-            "sourceHash" : "0c40b12ccd37227e9e058e0cdb4755e261c0bc08c42dfffc3e4f4686862a5d1f"
+            "sourceHash" : "e80e71c1669df6b857577ebf887341b38da197eeca592407ba85aa8941f27884"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba5f",
-                    "hash" : "0x630b5966c6f309f7104b2ae00d7b13538e41228836345af60fb2a4cb9f8e9d7e",
-                    "mixHash" : "0x3d2fcfdeecde4cc4a663a8e0703c88be084eb5e4430aa2d78f18004b2af636be",
-                    "nonce" : "0xc33bebcf14d19519",
+                    "hash" : "0xe3360dd8ebf2e50b846f7e2ed831995da79fa711c5673b1fb760d89e88f60d22",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc954780ba10e43178408e87d967f08780ead210196c06ab068ffd77388a653b7",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x8f205a651ffdd903b6edea3f36cada3c378e445779072a2c459aea6d54019c85",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c8f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0ab76ebf3711b30fe22286f88b179283f1dc960cf6e3f24ec4c31e1de4d4ceb51a08f205a651ffdd903b6edea3f36cada3c378e445779072a2c459aea6d54019c85a0c954780ba10e43178408e87d967f08780ead210196c06ab068ffd77388a653b7b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba5f8203e880a03d2fcfdeecde4cc4a663a8e0703c88be084eb5e4430aa2d78f18004b2af636be88c33bebcf14d19519f8c9f8c780018301adb094100000000000000000000000000000000000000080b8660000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000000010010010100101ca0a5639e12c12bd5177092b95bab67d2a89f62fc513916fa30a6546426a595069aa00a78031e51af0c2d6b76801760f24bc40e0ecd6589d8a74efca3de7ebf687162c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x630b5966c6f309f7104b2ae00d7b13538e41228836345af60fb2a4cb9f8e9d7e",
+        "lastblockhash" : "0xe3360dd8ebf2e50b846f7e2ed831995da79fa711c5673b1fb760d89e88f60d22",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g3v0.json
index 5f1521d58..130c1b464 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d25g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d25g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g3v0Filler.json",
-            "sourceHash" : "f912c74f83437ec2001779fa632ae8cacc2736a1e2cdc76fc920e836acc2320f"
+            "sourceHash" : "6a6513d6deb5b506c507d179f52ec384937f5266312ad36c1dafa88ca74da6a9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4fa",
-                    "hash" : "0x9b2dbbd5a19489c649688f011704fbac9b4fc22eb4c049d62491af6fdd816f9c",
-                    "mixHash" : "0x0fb61b73498997a685f0f69dde7faaf38510010fd040bc1949fd6a627dbc22cf",
-                    "nonce" : "0x82d7857ccc4f5c7b",
+                    "hash" : "0xf1e45ab533e7a6b4f15e8ecfc5acdd28f11a5fa8a094aca0878427399ba8fce7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x45f5458f715598bd69ac6b1682455926ea43fe09954dcb901442155e77ed8091",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6b03328836a9953cdcec325918bb3d258a5543838ea32fbfef2002586f0b2d5e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0x9b2dbbd5a19489c649688f011704fbac9b4fc22eb4c049d62491af6fdd816f9c",
+        "lastblockhash" : "0xf1e45ab533e7a6b4f15e8ecfc5acdd28f11a5fa8a094aca0878427399ba8fce7",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d25g3v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+        "lastblockhash" : "0x056263e2088432ebd088bd5bfff8fc4d16ac1d954e291f01ab403781c2bb9efe",
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4fa",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b06",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d25g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g3v0Filler.json",
-            "sourceHash" : "f912c74f83437ec2001779fa632ae8cacc2736a1e2cdc76fc920e836acc2320f"
+            "sourceHash" : "6a6513d6deb5b506c507d179f52ec384937f5266312ad36c1dafa88ca74da6a9"
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         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba5f",
-                    "hash" : "0xf2cd5fbd715b36bc6939c7a79457467f9cd95ae96b8133aba9fbc85be73463d7",
-                    "mixHash" : "0x9d6ac561a4d7e2da00d63173af8ac65f9cebdc5c9541399b69b6580804ec7d48",
-                    "nonce" : "0x43b443369e007d91",
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@@ -136,7 +247,7 @@
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0xf2cd5fbd715b36bc6939c7a79457467f9cd95ae96b8133aba9fbc85be73463d7",
+        "lastblockhash" : "0x016dd703bbff403d42bcbf3f8095e170499e4906706cc3e5259b9ee37a4693d8",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d25g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d25g3v0Filler.json",
-            "sourceHash" : "f912c74f83437ec2001779fa632ae8cacc2736a1e2cdc76fc920e836acc2320f"
+            "sourceHash" : "6a6513d6deb5b506c507d179f52ec384937f5266312ad36c1dafa88ca74da6a9"
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         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba5f",
-                    "hash" : "0xe66c51674d8ad67665cc2fe77c5b35dd4464e140aa85279fbcbdb729e6bc50cc",
-                    "mixHash" : "0x6858176b50c23979873161636e6313f0ebe5d687465ef14a4f6fc84107996df5",
-                    "nonce" : "0x537c1924b3a90e2e",
+                    "hash" : "0x016dd703bbff403d42bcbf3f8095e170499e4906706cc3e5259b9ee37a4693d8",
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@@ -244,7 +356,7 @@
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                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000001001001010010",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe66c51674d8ad67665cc2fe77c5b35dd4464e140aa85279fbcbdb729e6bc50cc",
+        "lastblockhash" : "0x016dd703bbff403d42bcbf3f8095e170499e4906706cc3e5259b9ee37a4693d8",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g0v0.json
index 051eda6ac..9efd9f370 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d26g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g0v0Filler.json",
-            "sourceHash" : "78feb34c2be94b2940451c6b09e6679d76b89e49414c8cf440fae6996d20d913"
+            "sourceHash" : "67dc67b37ebefc4bf3965ef71d04fce52dd5d897267021f9452f4e7436f8073a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf42b",
-                    "hash" : "0xb7d286ca05a66d550d6ce0b565944b1b00a93de1e0946cca0b8bf814b9d29794",
-                    "mixHash" : "0xb1289ad34b946494535695328eba3184fe894ca22158fb6d178075acff192498",
-                    "nonce" : "0xb904c57deb1a6998",
+                    "hash" : "0x5e0472cafa5d5aef4ad841e17a6e9d00a16a3928be851b08eb8867dcd88d59ff",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbe0441a4f1815e95866442485ce551f1c18fdec01f165309646977e7744b088e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa065077f9610a756f5c71ad5ac490f87cf51e0c1b365811b732bcabbbc9df6a146a0be0441a4f1815e95866442485ce551f1c18fdec01f165309646977e7744b088ea06be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082f42b8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c580018405f5e10094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000641ba0e0f849586fa3ef26acf7669e220c02231c1c6b80cab668b889baf5d34717482da03be99d58c5786aa759e03ed1f71f749d33eeb7ef34f2ce6ef72dcbba2707313fc0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb7d286ca05a66d550d6ce0b565944b1b00a93de1e0946cca0b8bf814b9d29794",
+        "lastblockhash" : "0x5e0472cafa5d5aef4ad841e17a6e9d00a16a3928be851b08eb8867dcd88d59ff",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d26g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g0v0Filler.json",
+            "sourceHash" : "67dc67b37ebefc4bf3965ef71d04fce52dd5d897267021f9452f4e7436f8073a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf42b",
+                    "hash" : "0x5f15218153d19afea3eb05086d22e2e3f4c4003ca9873fb788ee7e6694e2e80b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x6be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6",
+                    "stateRoot" : "0x28b87b16d33421b9b58b7a1aa164897d42b7170ec9f2af4061671ada18259bdb",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbe0441a4f1815e95866442485ce551f1c18fdec01f165309646977e7744b088e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xe0f849586fa3ef26acf7669e220c02231c1c6b80cab668b889baf5d34717482d",
+                        "s" : "0x3be99d58c5786aa759e03ed1f71f749d33eeb7ef34f2ce6ef72dcbba2707313f",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x5f15218153d19afea3eb05086d22e2e3f4c4003ca9873fb788ee7e6694e2e80b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f42b",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0bd5",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d26g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g0v0Filler.json",
-            "sourceHash" : "78feb34c2be94b2940451c6b09e6679d76b89e49414c8cf440fae6996d20d913"
+            "sourceHash" : "67dc67b37ebefc4bf3965ef71d04fce52dd5d897267021f9452f4e7436f8073a"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x2261a8597868b3a2d32bbdaf2f0320447bb793576a5b75b929a979d3bec6378e",
-                    "mixHash" : "0xca9d2578cc0875c0243bbed1cb82b6abe349f17a992300b4428ef60e49f74661",
-                    "nonce" : "0x8e40d26830468693",
+                    "hash" : "0x876b01f689d49040b500cf7012c4518f8c8dd8b5b48dbd5ce9db2ce93d1a4b6d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xbe0441a4f1815e95866442485ce551f1c18fdec01f165309646977e7744b088e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2261a8597868b3a2d32bbdaf2f0320447bb793576a5b75b929a979d3bec6378e",
+        "lastblockhash" : "0x876b01f689d49040b500cf7012c4518f8c8dd8b5b48dbd5ce9db2ce93d1a4b6d",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d26g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g0v0Filler.json",
-            "sourceHash" : "78feb34c2be94b2940451c6b09e6679d76b89e49414c8cf440fae6996d20d913"
+            "sourceHash" : "67dc67b37ebefc4bf3965ef71d04fce52dd5d897267021f9452f4e7436f8073a"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x2aae74abdeba61d3b15fab9ac188f5f92bb985dfe3479d624458820bfbba3bb1",
-                    "mixHash" : "0xfc30752f2abc1d38773b789bd42a6e06a16d9f2bab62ce5f1192d2562f49ba47",
-                    "nonce" : "0x55bf6b4197e79e75",
+                    "hash" : "0x876b01f689d49040b500cf7012c4518f8c8dd8b5b48dbd5ce9db2ce93d1a4b6d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xbe0441a4f1815e95866442485ce551f1c18fdec01f165309646977e7744b088e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0683abcf27f29e2217b8d43c5911bd475bc19076a926a612889d103dab1cee111a0be0441a4f1815e95866442485ce551f1c18fdec01f165309646977e7744b088ea0fb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5db901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9938203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c580018405f5e10094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000641ba0e0f849586fa3ef26acf7669e220c02231c1c6b80cab668b889baf5d34717482da03be99d58c5786aa759e03ed1f71f749d33eeb7ef34f2ce6ef72dcbba2707313fc0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2aae74abdeba61d3b15fab9ac188f5f92bb985dfe3479d624458820bfbba3bb1",
+        "lastblockhash" : "0x876b01f689d49040b500cf7012c4518f8c8dd8b5b48dbd5ce9db2ce93d1a4b6d",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g1v0.json
index 0559ddcbc..099962d9a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d26g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g1v0Filler.json",
-            "sourceHash" : "d33a748df5b5fac4fa39813fcddc75f91a85fe992f1fec6dae4d2aed99231123"
+            "sourceHash" : "444a9b7f8e9b6355e8abaed5e3103d31e68d572912301e52bc5f015dc275ccd5"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf42b",
-                    "hash" : "0xe30813b0e69a28298fd1cb065754df26e8e3d42603f79530cf027b783bd5bd7b",
-                    "mixHash" : "0xe6dc205483024531350c20c96aadc9b2b868bd2aeaca279783a0256f8a212100",
-                    "nonce" : "0xee410f62e6077e75",
+                    "hash" : "0x59dcff8790e60342944a9d024a72f2ff47f7636c87347cd409f22b4ab8a76ac5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x327381e0f563e65c3d4f9a94aa2cbe731adea0c711b2985c42ff1648a3deb0c6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe30813b0e69a28298fd1cb065754df26e8e3d42603f79530cf027b783bd5bd7b",
+        "lastblockhash" : "0x59dcff8790e60342944a9d024a72f2ff47f7636c87347cd409f22b4ab8a76ac5",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d26g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g1v0Filler.json",
+            "sourceHash" : "444a9b7f8e9b6355e8abaed5e3103d31e68d572912301e52bc5f015dc275ccd5"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf42b",
+                    "hash" : "0x8737b24a36332b52911629eda636a32fc663215dca000170101fbbf9e52a7ad3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x6be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6",
+                    "stateRoot" : "0x28b87b16d33421b9b58b7a1aa164897d42b7170ec9f2af4061671ada18259bdb",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x327381e0f563e65c3d4f9a94aa2cbe731adea0c711b2985c42ff1648a3deb0c6",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x4a3ab4a14bc3d104ed55ce8b9d3ba200523e85834e77d3bdca52a03d2abed455",
+                        "s" : "0x3a14771a03b5ef70443eba3baff7740fd00bcec5e9346efb5a9eb3dd050a71c2",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x8737b24a36332b52911629eda636a32fc663215dca000170101fbbf9e52a7ad3",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f42b",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0bd5",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d26g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g1v0Filler.json",
-            "sourceHash" : "d33a748df5b5fac4fa39813fcddc75f91a85fe992f1fec6dae4d2aed99231123"
+            "sourceHash" : "444a9b7f8e9b6355e8abaed5e3103d31e68d572912301e52bc5f015dc275ccd5"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0xea35deb8298fc57069b6518a637867a3baf480a1c5d8666a5b679a5e63e26a43",
-                    "mixHash" : "0x9e7f6f7785c13ee466e2cbd977231e47d837df865848d013a844f76ca3eefb33",
-                    "nonce" : "0x69f201ca1c63f164",
+                    "hash" : "0x22866a58b6869e7f0e9a382e42ece29b48b10a65556bedf795fe9ea60902925d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x327381e0f563e65c3d4f9a94aa2cbe731adea0c711b2985c42ff1648a3deb0c6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xea35deb8298fc57069b6518a637867a3baf480a1c5d8666a5b679a5e63e26a43",
+        "lastblockhash" : "0x22866a58b6869e7f0e9a382e42ece29b48b10a65556bedf795fe9ea60902925d",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d26g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g1v0Filler.json",
-            "sourceHash" : "d33a748df5b5fac4fa39813fcddc75f91a85fe992f1fec6dae4d2aed99231123"
+            "sourceHash" : "444a9b7f8e9b6355e8abaed5e3103d31e68d572912301e52bc5f015dc275ccd5"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x997969da619e3ca7a91015063e6a3ad95ec99cdc8649517f99fdb3e0e4bcdd2e",
-                    "mixHash" : "0xa36a2ece102b6219f906dc9ca3105346d631379e7d85b8c34464901ecec3735f",
-                    "nonce" : "0xfab7d435f23b8214",
+                    "hash" : "0x22866a58b6869e7f0e9a382e42ece29b48b10a65556bedf795fe9ea60902925d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x327381e0f563e65c3d4f9a94aa2cbe731adea0c711b2985c42ff1648a3deb0c6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x997969da619e3ca7a91015063e6a3ad95ec99cdc8649517f99fdb3e0e4bcdd2e",
+        "lastblockhash" : "0x22866a58b6869e7f0e9a382e42ece29b48b10a65556bedf795fe9ea60902925d",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g2v0.json
index 00fcc9b51..886a8ded5 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d26g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g2v0Filler.json",
-            "sourceHash" : "99c3c2155dcea6e5b8c668db0577a71449e3bbad46aff4e632a3088f98827145"
+            "sourceHash" : "6ca114017c4a14884e5dcacac5bd167eba4fd52ab66550a13db478b348070611"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf42b",
-                    "hash" : "0x5e76c306bd2ee1aa929e925b464357728d7a76d4c0727c7a6539118eb7858c4a",
-                    "mixHash" : "0x96cb147baf727c0a7ce649d8c47de379dee4ba3d18563bf44ace7d663ea29558",
-                    "nonce" : "0xd1a760d88eb5885b",
+                    "hash" : "0xd0b5d050123da73b56eb8590941e0571329eb9a32ba5483caaf464edcce416fd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4987388fc9556bdd698f5c2de30f4d41c825e1b175f5863990ee52f08ede0d7b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5e76c306bd2ee1aa929e925b464357728d7a76d4c0727c7a6539118eb7858c4a",
+        "lastblockhash" : "0xd0b5d050123da73b56eb8590941e0571329eb9a32ba5483caaf464edcce416fd",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d26g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g2v0Filler.json",
+            "sourceHash" : "6ca114017c4a14884e5dcacac5bd167eba4fd52ab66550a13db478b348070611"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf42b",
+                    "hash" : "0x898d271b8f8e058d474a5bd16a5a5a737ce36b0ab4bb091be2a6ffca063aeef5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x6be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6",
+                    "stateRoot" : "0x28b87b16d33421b9b58b7a1aa164897d42b7170ec9f2af4061671ada18259bdb",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4987388fc9556bdd698f5c2de30f4d41c825e1b175f5863990ee52f08ede0d7b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xae3b2f949c8176a2e2bab19b6192b588da1394429172e6c039950861c99ee455",
+                        "s" : "0x548e00ccc019e799e4f5bf3a03638f12d90071edd3996c84ae20d54236d2e13f",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x898d271b8f8e058d474a5bd16a5a5a737ce36b0ab4bb091be2a6ffca063aeef5",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f42b",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0bd5",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d26g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g2v0Filler.json",
-            "sourceHash" : "99c3c2155dcea6e5b8c668db0577a71449e3bbad46aff4e632a3088f98827145"
+            "sourceHash" : "6ca114017c4a14884e5dcacac5bd167eba4fd52ab66550a13db478b348070611"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x60f1aa22e9cdb342a1185dc0bb8649c03fa07484f80a60a50e1b6f4aba61ab50",
-                    "mixHash" : "0x8172c9afd545a45db859dbb5b244de4b8239455380499499dca31c2deb272f2f",
-                    "nonce" : "0x3f5d38a0b8c40e01",
+                    "hash" : "0x1d847521ed49784dad65d2ddfa8549b861a070932ce9bb354c0064c2c57c52e7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x4987388fc9556bdd698f5c2de30f4d41c825e1b175f5863990ee52f08ede0d7b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0683abcf27f29e2217b8d43c5911bd475bc19076a926a612889d103dab1cee111a04987388fc9556bdd698f5c2de30f4d41c825e1b175f5863990ee52f08ede0d7ba0fb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5db901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9938203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018301adb094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000641ca0ae3b2f949c8176a2e2bab19b6192b588da1394429172e6c039950861c99ee455a0548e00ccc019e799e4f5bf3a03638f12d90071edd3996c84ae20d54236d2e13fc0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x60f1aa22e9cdb342a1185dc0bb8649c03fa07484f80a60a50e1b6f4aba61ab50",
+        "lastblockhash" : "0x1d847521ed49784dad65d2ddfa8549b861a070932ce9bb354c0064c2c57c52e7",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d26g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g2v0Filler.json",
-            "sourceHash" : "99c3c2155dcea6e5b8c668db0577a71449e3bbad46aff4e632a3088f98827145"
+            "sourceHash" : "6ca114017c4a14884e5dcacac5bd167eba4fd52ab66550a13db478b348070611"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0xf173e9d82cc86c54108af7e600657d28d98e9a717fdba5d28c628196b9d91478",
-                    "mixHash" : "0xcf78892e4ef11f637acef3fa60fddeaeb526e7be250ad3ec012c9910b9a46a13",
-                    "nonce" : "0x7e92328d1be92dd0",
+                    "hash" : "0x1d847521ed49784dad65d2ddfa8549b861a070932ce9bb354c0064c2c57c52e7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x4987388fc9556bdd698f5c2de30f4d41c825e1b175f5863990ee52f08ede0d7b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf173e9d82cc86c54108af7e600657d28d98e9a717fdba5d28c628196b9d91478",
+        "lastblockhash" : "0x1d847521ed49784dad65d2ddfa8549b861a070932ce9bb354c0064c2c57c52e7",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g3v0.json
index 2582cff32..4a8cc08cf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d26g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d26g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g3v0Filler.json",
-            "sourceHash" : "a03007a305f863c44fac6e215951e8bd842a596fa33cadf967ad2b6c15dec459"
+            "sourceHash" : "92794902a3416c2a6cd8d177b2c7bf31da800550e1947f8e11b33727bc314fad"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf42b",
-                    "hash" : "0x3a8d020366eb6cd9e7a107698c39030b8dc213c40dd5b744eb250dee0cfa74f8",
-                    "mixHash" : "0x0df7fba64bad510733344ebdec110aba4061287e37a49b771126de36d1270265",
-                    "nonce" : "0x0bf2e4869ac045a1",
+                    "hash" : "0x40a385b4a6fb1d7980093726f4a2bdf3fb5759c85cac1e3844bb3263005fb301",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8ec6b2ccfc50101109870858bae1cb0f469e8e768e9c53759649ca102af52072",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3a8d020366eb6cd9e7a107698c39030b8dc213c40dd5b744eb250dee0cfa74f8",
+        "lastblockhash" : "0x40a385b4a6fb1d7980093726f4a2bdf3fb5759c85cac1e3844bb3263005fb301",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d26g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g3v0Filler.json",
+            "sourceHash" : "92794902a3416c2a6cd8d177b2c7bf31da800550e1947f8e11b33727bc314fad"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf42b",
+                    "hash" : "0xf52cc55358f6ab2d4e20cbcbfc11f5076b375d2910ac84a604049a830c83b8e4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x6be3e195880b9693ad402936b4b5498cbd4532c5949569a0cc5602368e3580a6",
+                    "stateRoot" : "0x28b87b16d33421b9b58b7a1aa164897d42b7170ec9f2af4061671ada18259bdb",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8ec6b2ccfc50101109870858bae1cb0f469e8e768e9c53759649ca102af52072",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xd65ac2dad3436fbe93340022cb4d26b98a3e097ed99963b75c324e72cb9d7480",
+                        "s" : "0x44f6007f170f2e516533977cc51dfdaae16809208c731dda2fd3efa9295ba476",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf52cc55358f6ab2d4e20cbcbfc11f5076b375d2910ac84a604049a830c83b8e4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f42b",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0bd5",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d26g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g3v0Filler.json",
-            "sourceHash" : "a03007a305f863c44fac6e215951e8bd842a596fa33cadf967ad2b6c15dec459"
+            "sourceHash" : "92794902a3416c2a6cd8d177b2c7bf31da800550e1947f8e11b33727bc314fad"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x9ad6647e7e2e8493419c56012fe032ea0e988b42c8b564c1e8af350ce4a6446b",
-                    "mixHash" : "0x9de25a1c5fc45f857fa3405c548cda93dc984d81200336d9df45d7d94d3d4c9f",
-                    "nonce" : "0x9313eec007189232",
+                    "hash" : "0xebf54d8826860e31b5f16ddd00c5402ff52ef4df7c3b35b10ac9081ef3955815",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x8ec6b2ccfc50101109870858bae1cb0f469e8e768e9c53759649ca102af52072",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9ad6647e7e2e8493419c56012fe032ea0e988b42c8b564c1e8af350ce4a6446b",
+        "lastblockhash" : "0xebf54d8826860e31b5f16ddd00c5402ff52ef4df7c3b35b10ac9081ef3955815",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d26g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d26g3v0Filler.json",
-            "sourceHash" : "a03007a305f863c44fac6e215951e8bd842a596fa33cadf967ad2b6c15dec459"
+            "sourceHash" : "92794902a3416c2a6cd8d177b2c7bf31da800550e1947f8e11b33727bc314fad"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x9d5f3876d41e8dd84a6bf26ca255f5e4d6d00c6174a316a1342c0223c2f28fbe",
-                    "mixHash" : "0xdf2346e6723663d5598108b3d2527f229f882a7f70e9f9f0480a6e1c1a4e9407",
-                    "nonce" : "0x15676f4955746a28",
+                    "hash" : "0xebf54d8826860e31b5f16ddd00c5402ff52ef4df7c3b35b10ac9081ef3955815",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x8ec6b2ccfc50101109870858bae1cb0f469e8e768e9c53759649ca102af52072",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000064",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9d5f3876d41e8dd84a6bf26ca255f5e4d6d00c6174a316a1342c0223c2f28fbe",
+        "lastblockhash" : "0xebf54d8826860e31b5f16ddd00c5402ff52ef4df7c3b35b10ac9081ef3955815",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g0v0.json
index 289513c45..d97898f0d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d27g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g0v0Filler.json",
-            "sourceHash" : "8e3a6a3b0ea8d813a0a722cf4e7695d3e6dca5ea39f0f064ddd29f9abfe6f81f"
+            "sourceHash" : "3b41d4d64933a1eed6a6ee2763acbf1341e0ec6695a2e0d1f0538932f9d23ade"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfa6f",
-                    "hash" : "0x49e9581ff6b153c90fafa447402d49bba1c0c4b294c98f0ba068c06aa064e5a0",
-                    "mixHash" : "0x0e4b7a01788845dfe1945603e77d0f363b9b744cdb687f8f47c2f0db7be04414",
-                    "nonce" : "0x585d09e905961585",
+                    "hash" : "0x7e41d2cca590e285136a511ab9a73b6414a3c7f4fa576cfbbe9f63cf4c3c63f1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1ba",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0fb70f48d1b4f0d2775840bb302e715733af908f38eab368d8212fa2a14558d6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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@@ -64,7 +64,7 @@
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-        "lastblockhash" : "0x49e9581ff6b153c90fafa447402d49bba1c0c4b294c98f0ba068c06aa064e5a0",
+        "lastblockhash" : "0x7e41d2cca590e285136a511ab9a73b6414a3c7f4fa576cfbbe9f63cf4c3c63f1",
         "network" : "Byzantium",
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             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
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+                "nonce" : "0x00",
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+                "nonce" : "0x01",
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+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d27g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g0v0Filler.json",
-            "sourceHash" : "8e3a6a3b0ea8d813a0a722cf4e7695d3e6dca5ea39f0f064ddd29f9abfe6f81f"
+            "sourceHash" : "3b41d4d64933a1eed6a6ee2763acbf1341e0ec6695a2e0d1f0538932f9d23ade"
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@@ -125,9 +236,9 @@
                     "extraData" : "",
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                     "gasUsed" : "0xbe6f",
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-                    "nonce" : "0xa823d7082b0e7317",
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@@ -136,7 +247,7 @@
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@@ -173,7 +284,7 @@
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-        "lastblockhash" : "0x3d6b1adc48ec723f37dd38af43c406df4b5e1a6088c54678381cf5ae2c12633c",
+        "lastblockhash" : "0x35ab7e66954f46a741767c6e69fd6dd26b76e55fbcf9b15758bde57eaaebb184",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d27g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g0v0Filler.json",
-            "sourceHash" : "8e3a6a3b0ea8d813a0a722cf4e7695d3e6dca5ea39f0f064ddd29f9abfe6f81f"
+            "sourceHash" : "3b41d4d64933a1eed6a6ee2763acbf1341e0ec6695a2e0d1f0538932f9d23ade"
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@@ -233,9 +345,9 @@
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                     "gasUsed" : "0xbe6f",
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-                    "nonce" : "0xd82a7a75e2967ef2",
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@@ -244,7 +356,7 @@
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                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xba87b3cc57357aba0ead468081762ddd34157119a13723d4a34fb8a75fecac08",
+        "lastblockhash" : "0x35ab7e66954f46a741767c6e69fd6dd26b76e55fbcf9b15758bde57eaaebb184",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g1v0.json
index 52aa1c9e6..0a988b4b1 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d27g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g1v0Filler.json",
-            "sourceHash" : "a085cb49e4719fe116ce0f77b9a3997a53050357633023abf84a0b06c9246725"
+            "sourceHash" : "5a334206b10f5a3277f0fcb74709055157f66eec0e33472ff6d5ad67ab43103a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfa6f",
-                    "hash" : "0x6191128acf8d1931a531e6ae08be39be68a6b49b320722bb5a55fd5ab96106a6",
-                    "mixHash" : "0x486d2dc2492bdb4e9f69e9c49dcba1cfe50ff8098c6e9320398ee4070f295cb5",
-                    "nonce" : "0xd68cd3e361525ac4",
+                    "hash" : "0xcfb689bc1f505d194abfd47d430913e6b20f8ab9fd9c0dc8b8ae471a90041750",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1ba",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf5c60fb9e2d024760f9232474af3656c2d335af4577b5b86f8700300d3d0431b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6191128acf8d1931a531e6ae08be39be68a6b49b320722bb5a55fd5ab96106a6",
+        "lastblockhash" : "0xcfb689bc1f505d194abfd47d430913e6b20f8ab9fd9c0dc8b8ae471a90041750",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d27g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g1v0Filler.json",
+            "sourceHash" : "5a334206b10f5a3277f0fcb74709055157f66eec0e33472ff6d5ad67ab43103a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xfa6f",
+                    "hash" : "0x8d1beee9ce722d55160c5afb060d22fad49f19c67091901bf72cbd8a27a9c4cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xe0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1ba",
+                    "stateRoot" : "0xf12035178bcf2c5b9d5297bc0472f0ab5e3684a4ee44b26b5a0caa0d21f3e507",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf5c60fb9e2d024760f9232474af3656c2d335af4577b5b86f8700300d3d0431b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x50f9c5297c95ffdc6da62c6c990503a312a42944ab4406685d498dddef2c212f",
+                        "s" : "0x1c9dd70fee611800f71d199d9ad76188c1a2f6e4877be4925f81576b81ba4f63",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8d1beee9ce722d55160c5afb060d22fad49f19c67091901bf72cbd8a27a9c4cf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x02000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8fa6f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0591",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d27g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g1v0Filler.json",
-            "sourceHash" : "a085cb49e4719fe116ce0f77b9a3997a53050357633023abf84a0b06c9246725"
+            "sourceHash" : "5a334206b10f5a3277f0fcb74709055157f66eec0e33472ff6d5ad67ab43103a"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe6f",
-                    "hash" : "0xdb1852015c3615c710137c51083e0899f176c356e00419df41af9f6e41dd8816",
-                    "mixHash" : "0xa65e6e111e03c3b50ab2aca0758fad51d3988bb76775ffa9d997e2cd4b46052c",
-                    "nonce" : "0x38fcb280540faf42",
+                    "hash" : "0xf1ae08407118f0c3f9f2d1a2d6bc5868be1a6b62cb4c7c285c0dddc799c373dd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xaf7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xf5c60fb9e2d024760f9232474af3656c2d335af4577b5b86f8700300d3d0431b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xdb1852015c3615c710137c51083e0899f176c356e00419df41af9f6e41dd8816",
+        "lastblockhash" : "0xf1ae08407118f0c3f9f2d1a2d6bc5868be1a6b62cb4c7c285c0dddc799c373dd",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d27g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g1v0Filler.json",
-            "sourceHash" : "a085cb49e4719fe116ce0f77b9a3997a53050357633023abf84a0b06c9246725"
+            "sourceHash" : "5a334206b10f5a3277f0fcb74709055157f66eec0e33472ff6d5ad67ab43103a"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe6f",
-                    "hash" : "0x2a92f97408cf9dd6021626cebf92622c6aef7d41a1418fae40aea6a931f84472",
-                    "mixHash" : "0x48c457eb228e83b78d8197295f10dfd005d3d3a40e9262e103d7a371519b3bb6",
-                    "nonce" : "0x71e69609f26eb5f2",
+                    "hash" : "0xf1ae08407118f0c3f9f2d1a2d6bc5868be1a6b62cb4c7c285c0dddc799c373dd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xaf7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xf5c60fb9e2d024760f9232474af3656c2d335af4577b5b86f8700300d3d0431b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x2a92f97408cf9dd6021626cebf92622c6aef7d41a1418fae40aea6a931f84472",
+        "lastblockhash" : "0xf1ae08407118f0c3f9f2d1a2d6bc5868be1a6b62cb4c7c285c0dddc799c373dd",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g2v0.json
index 5cf188c9f..ca72c5c7e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d27g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g2v0Filler.json",
-            "sourceHash" : "4e760227afeafb76bed55df225f3ddb2acf7ee57c9be03ab5ceabbfc8703d3a2"
+            "sourceHash" : "63fb4529fb12c75c4d9792d18088e09943e664ab5afd422961bf3c762c5cd1f6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfa6f",
-                    "hash" : "0x6ff99c15452c595683f069aea73d213dcb98c7f57b3fd0b6d9588d31f960b988",
-                    "mixHash" : "0x65079ecd9b49db2cacbbfe564ee409771c113e9db72ed06052af851382a8d1d1",
-                    "nonce" : "0x32a0a17bae534dfb",
+                    "hash" : "0xf501e2d4effe9b9afb41397c0eee04b32171ab6af369bca0a140913234aa49cb",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1ba",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf903c9f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa020cbdb326e7af03762393a134b4df833fbee0c2de71e624f2a648a4a3db21d33a0906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0da0e0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1bab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082fa6f8203e880a065079ecd9b49db2cacbbfe564ee409771c113e9db72ed06052af851382a8d1d18832a0a17bae534dfbf901c9f901c680018301adb094100000000000000000000000000000000000000080b9016400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000101000000000000000000000000000000000000000000000000000000000000000202000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300061ba00e627299d5a32a379af0efd82ce9e27484fe8b7db7a85e99ea1abacfb57407a9a01fa2591e8e14e374be40162eb6bbd740229ae9c230f5b01f5416a8a331f3c15ec0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6ff99c15452c595683f069aea73d213dcb98c7f57b3fd0b6d9588d31f960b988",
+        "lastblockhash" : "0xf501e2d4effe9b9afb41397c0eee04b32171ab6af369bca0a140913234aa49cb",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d27g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g2v0Filler.json",
+            "sourceHash" : "63fb4529fb12c75c4d9792d18088e09943e664ab5afd422961bf3c762c5cd1f6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xfa6f",
+                    "hash" : "0x63dd4f07c7701cd9fea65cf8111f770a854a872b29e8de3dbae9d44a34683688",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xe0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1ba",
+                    "stateRoot" : "0xf12035178bcf2c5b9d5297bc0472f0ab5e3684a4ee44b26b5a0caa0d21f3e507",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0d",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf903c9f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0f12035178bcf2c5b9d5297bc0472f0ab5e3684a4ee44b26b5a0caa0d21f3e507a0906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0da0e0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1bab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082fa6f8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f901c9f901c680018301adb094100000000000000000000000000000000000000080b9016400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000101000000000000000000000000000000000000000000000000000000000000000202000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300061ba00e627299d5a32a379af0efd82ce9e27484fe8b7db7a85e99ea1abacfb57407a9a01fa2591e8e14e374be40162eb6bbd740229ae9c230f5b01f5416a8a331f3c15ec0",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x0e627299d5a32a379af0efd82ce9e27484fe8b7db7a85e99ea1abacfb57407a9",
+                        "s" : "0x1fa2591e8e14e374be40162eb6bbd740229ae9c230f5b01f5416a8a331f3c15e",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x63dd4f07c7701cd9fea65cf8111f770a854a872b29e8de3dbae9d44a34683688",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x02000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8fa6f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0591",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d27g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g2v0Filler.json",
-            "sourceHash" : "4e760227afeafb76bed55df225f3ddb2acf7ee57c9be03ab5ceabbfc8703d3a2"
+            "sourceHash" : "63fb4529fb12c75c4d9792d18088e09943e664ab5afd422961bf3c762c5cd1f6"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe6f",
-                    "hash" : "0x5069239f646cb0d09812ecbdd9927c8a87978b6ef2a3e3837a97ce440c8ee341",
-                    "mixHash" : "0xe87fe1a53283e31eff8610a69789059952756b30d3e676118a7afe6c457a3653",
-                    "nonce" : "0x230b2b3cffb38d7b",
+                    "hash" : "0x06e2fafb0e1c713083bad6bb3a91588d3fa008260af911cdedf9e754345cf8cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xaf7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf903c9f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa032dfeeb69ddab06efe1fcb5e2a1fa62cdf46f38d7df43c74fc945984611ba54ca0906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0da0af7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082be6f8203e880a0e87fe1a53283e31eff8610a69789059952756b30d3e676118a7afe6c457a365388230b2b3cffb38d7bf901c9f901c680018301adb094100000000000000000000000000000000000000080b9016400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000101000000000000000000000000000000000000000000000000000000000000000202000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300061ba00e627299d5a32a379af0efd82ce9e27484fe8b7db7a85e99ea1abacfb57407a9a01fa2591e8e14e374be40162eb6bbd740229ae9c230f5b01f5416a8a331f3c15ec0",
+                "rlp" : "0xf903c9f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa032dfeeb69ddab06efe1fcb5e2a1fa62cdf46f38d7df43c74fc945984611ba54ca0906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0da0af7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082be6f8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f901c9f901c680018301adb094100000000000000000000000000000000000000080b9016400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000101000000000000000000000000000000000000000000000000000000000000000202000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300061ba00e627299d5a32a379af0efd82ce9e27484fe8b7db7a85e99ea1abacfb57407a9a01fa2591e8e14e374be40162eb6bbd740229ae9c230f5b01f5416a8a331f3c15ec0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5069239f646cb0d09812ecbdd9927c8a87978b6ef2a3e3837a97ce440c8ee341",
+        "lastblockhash" : "0x06e2fafb0e1c713083bad6bb3a91588d3fa008260af911cdedf9e754345cf8cf",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d27g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g2v0Filler.json",
-            "sourceHash" : "4e760227afeafb76bed55df225f3ddb2acf7ee57c9be03ab5ceabbfc8703d3a2"
+            "sourceHash" : "63fb4529fb12c75c4d9792d18088e09943e664ab5afd422961bf3c762c5cd1f6"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe6f",
-                    "hash" : "0x5042160f6b8b47efe605e6b2a9c984b043d7149e9c08083d96abfdd5d27adcd6",
-                    "mixHash" : "0xa6c69bdc31ccfbc8d8424a3a5c0b278d9d6d176cf004c5d8a05a5cab7b6ced58",
-                    "nonce" : "0xcb96f62d076e5d24",
+                    "hash" : "0x06e2fafb0e1c713083bad6bb3a91588d3fa008260af911cdedf9e754345cf8cf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xaf7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0d",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf903c9f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa032dfeeb69ddab06efe1fcb5e2a1fa62cdf46f38d7df43c74fc945984611ba54ca0906613f94f7f641be5ee5be5d540d53a189fb049a2eb8fedbd02c03a6491ce0da0af7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082be6f8203e880a0a6c69bdc31ccfbc8d8424a3a5c0b278d9d6d176cf004c5d8a05a5cab7b6ced5888cb96f62d076e5d24f901c9f901c680018301adb094100000000000000000000000000000000000000080b9016400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000101000000000000000000000000000000000000000000000000000000000000000202000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300061ba00e627299d5a32a379af0efd82ce9e27484fe8b7db7a85e99ea1abacfb57407a9a01fa2591e8e14e374be40162eb6bbd740229ae9c230f5b01f5416a8a331f3c15ec0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5042160f6b8b47efe605e6b2a9c984b043d7149e9c08083d96abfdd5d27adcd6",
+        "lastblockhash" : "0x06e2fafb0e1c713083bad6bb3a91588d3fa008260af911cdedf9e754345cf8cf",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g3v0.json
index 72118da51..8c3359499 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d27g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d27g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g3v0Filler.json",
-            "sourceHash" : "86b9f5cceb1a0b055bb1caccad3a9e7a860547b7c83cd0900a64a666734215fc"
+            "sourceHash" : "b4bcf958eea5d95a750178502ff3f0993357d2d50a1feba529caef747637b496"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfa6f",
-                    "hash" : "0x00aafaec81fbf6f52ad8733b3319bd956372322bf03767c706bace06a33bb4b2",
-                    "mixHash" : "0x92b6baa6c976be3a0b1f2ed2b45e4d46f7ba61636df8b4bd9a45246c12b5373d",
-                    "nonce" : "0x23376dc756a30edb",
+                    "hash" : "0x9a0c112bca47ba46d195c7e1aaadb3b6d5ee35612a0042586d118bcf6cf4fbe6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1ba",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5a166450f49dd1c58ad0b37da4eb1ad6737bfc69d93c09c1a31cbdf5a027605f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x00aafaec81fbf6f52ad8733b3319bd956372322bf03767c706bace06a33bb4b2",
+        "lastblockhash" : "0x9a0c112bca47ba46d195c7e1aaadb3b6d5ee35612a0042586d118bcf6cf4fbe6",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d27g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g3v0Filler.json",
+            "sourceHash" : "b4bcf958eea5d95a750178502ff3f0993357d2d50a1feba529caef747637b496"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xfa6f",
+                    "hash" : "0x8147e7d16e4ce1e8e570941b864e69fad85ab581a6696e0cad0d451bf6e848b0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xe0d79da65e3950bb5e58dc58384933a3b8ba94c6cea987eead12239bd2caf1ba",
+                    "stateRoot" : "0xf12035178bcf2c5b9d5297bc0472f0ab5e3684a4ee44b26b5a0caa0d21f3e507",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x5a166450f49dd1c58ad0b37da4eb1ad6737bfc69d93c09c1a31cbdf5a027605f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x2585fede0082472b966fd23899ba07a3cdbaabd105dac63ecfd4601f3d6accef",
+                        "s" : "0x020b50a4b60f1050716ce68429b47a258fe4f1549486a3aeba949cd362df6e9d",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x8147e7d16e4ce1e8e570941b864e69fad85ab581a6696e0cad0d451bf6e848b0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x02000000000000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8fa6f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0591",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d27g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g3v0Filler.json",
-            "sourceHash" : "86b9f5cceb1a0b055bb1caccad3a9e7a860547b7c83cd0900a64a666734215fc"
+            "sourceHash" : "b4bcf958eea5d95a750178502ff3f0993357d2d50a1feba529caef747637b496"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe6f",
-                    "hash" : "0xcdb7505424ce64859d9e6210e0803868ed63affce8bf997d4a6afa4c60da2e73",
-                    "mixHash" : "0x1b605c90621cd15b6d74bbc708b32f4406017f4ff0e703156d42306b1bc15046",
-                    "nonce" : "0x6cde70c8b247950a",
+                    "hash" : "0x5b01300c0da0ca8a2bf0b1175495521fc7391e9903d713a5f09c68fb5b076d35",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xaf7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x5a166450f49dd1c58ad0b37da4eb1ad6737bfc69d93c09c1a31cbdf5a027605f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcdb7505424ce64859d9e6210e0803868ed63affce8bf997d4a6afa4c60da2e73",
+        "lastblockhash" : "0x5b01300c0da0ca8a2bf0b1175495521fc7391e9903d713a5f09c68fb5b076d35",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d27g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d27g3v0Filler.json",
-            "sourceHash" : "86b9f5cceb1a0b055bb1caccad3a9e7a860547b7c83cd0900a64a666734215fc"
+            "sourceHash" : "b4bcf958eea5d95a750178502ff3f0993357d2d50a1feba529caef747637b496"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe6f",
-                    "hash" : "0xeb88c1fb36a80d8a3328f17ff45b518351e1614fc34553d4bc53886938f7c081",
-                    "mixHash" : "0x6524bd3ed642ed7b32925c8aa72d3ee47110d23fedf95169bcddd8e1ac35b4aa",
-                    "nonce" : "0x18c08050327fc0c0",
+                    "hash" : "0x5b01300c0da0ca8a2bf0b1175495521fc7391e9903d713a5f09c68fb5b076d35",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xaf7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x5a166450f49dd1c58ad0b37da4eb1ad6737bfc69d93c09c1a31cbdf5a027605f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf903c9f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa032dfeeb69ddab06efe1fcb5e2a1fa62cdf46f38d7df43c74fc945984611ba54ca05a166450f49dd1c58ad0b37da4eb1ad6737bfc69d93c09c1a31cbdf5a027605fa0af7245eb1476783e5e241e1fb66ec2d080d84657815ab13309733ee6f2210177b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082be6f8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f901c9f901c6800183030d4094100000000000000000000000000000000000000080b9016400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000101000000000000000000000000000000000000000000000000000000000000000202000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300061ba02585fede0082472b966fd23899ba07a3cdbaabd105dac63ecfd4601f3d6accefa0020b50a4b60f1050716ce68429b47a258fe4f1549486a3aeba949cd362df6e9dc0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000010100000000000000000000000000000000000000000000000000000000000000020200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000030006",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xeb88c1fb36a80d8a3328f17ff45b518351e1614fc34553d4bc53886938f7c081",
+        "lastblockhash" : "0x5b01300c0da0ca8a2bf0b1175495521fc7391e9903d713a5f09c68fb5b076d35",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g0v0.json
index 78a995064..fbe9e259b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d28g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g0v0Filler.json",
-            "sourceHash" : "53f6510bec7dc5597bc7eb357e8347161c279e18f3fdbfcaff6f0bc2512356b8"
+            "sourceHash" : "68ffe843785ee4d796150c7853440d932e1c8fb88b070e88934c2b2ce5a1a70a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x05de31f3",
-                    "hash" : "0xbde14493219fddb04ee1d7a3a92174fa3c5b18d872155c1581e230382a93b09c",
-                    "mixHash" : "0x603b5508fa9fedce72daff150781320178f67a162dad072b07cca269c9cd7315",
-                    "nonce" : "0x38b41f3b01f3f2a3",
+                    "hash" : "0x9a3846ceb3f764e45139790150a1beb5267bb76b27047dc08f6d4002ddeac44f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
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@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa631af4e3d013ac66d7e0986dfd177851288bb9ebffc04de7cf6be69df041b9e",
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xbde14493219fddb04ee1d7a3a92174fa3c5b18d872155c1581e230382a93b09c",
+        "lastblockhash" : "0x9a3846ceb3f764e45139790150a1beb5267bb76b27047dc08f6d4002ddeac44f",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -104,15 +104,124 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d28g0v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x05de0c73",
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+                "uncleHeaders" : [
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x47f37249ac03149754d5e08a11a9d99aa9725c618efe1e60b750b4302f5dd059",
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+                "nonce" : "0x00",
+                "storage" : {
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d6754a60c73",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5d8c1f38d",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d28g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g0v0Filler.json",
-            "sourceHash" : "53f6510bec7dc5597bc7eb357e8347161c279e18f3fdbfcaff6f0bc2512356b8"
+            "sourceHash" : "68ffe843785ee4d796150c7853440d932e1c8fb88b070e88934c2b2ce5a1a70a"
         },
         "blocks" : [
             {
@@ -123,9 +232,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0xe9b74b687ce9811cf93c19f860ca0bf5c144f0d6bc85445a61c3b07944689a65",
-                    "mixHash" : "0x72aad5fc5debf49d5958674a30e3f808ea30b5787f669ddd07749dfcd6af286c",
-                    "nonce" : "0x90801487225dd115",
+                    "hash" : "0x1c68f4ba757ee5f7e94a774baadc859c1ad517d4c72c4b8cad8a1a4b97ebb94d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -134,7 +243,7 @@
                     "transactionsTrie" : "0xa631af4e3d013ac66d7e0986dfd177851288bb9ebffc04de7cf6be69df041b9e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -171,7 +280,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xe9b74b687ce9811cf93c19f860ca0bf5c144f0d6bc85445a61c3b07944689a65",
+        "lastblockhash" : "0x1c68f4ba757ee5f7e94a774baadc859c1ad517d4c72c4b8cad8a1a4b97ebb94d",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -212,15 +321,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d28g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g0v0Filler.json",
-            "sourceHash" : "53f6510bec7dc5597bc7eb357e8347161c279e18f3fdbfcaff6f0bc2512356b8"
+            "sourceHash" : "68ffe843785ee4d796150c7853440d932e1c8fb88b070e88934c2b2ce5a1a70a"
         },
         "blocks" : [
             {
@@ -231,9 +341,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x9fd69ec105fee2c5a1abd27cd1646589fa20ab9ae0ea7bf1a58e31277d3a1b9d",
-                    "mixHash" : "0xf3928990bf394c8da67691f5463939a5ec45aabcc6e99a1da180675b65266ed4",
-                    "nonce" : "0x616060bbe1841eda",
+                    "hash" : "0x1c68f4ba757ee5f7e94a774baadc859c1ad517d4c72c4b8cad8a1a4b97ebb94d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -242,7 +352,7 @@
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                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -279,7 +389,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9fd69ec105fee2c5a1abd27cd1646589fa20ab9ae0ea7bf1a58e31277d3a1b9d",
+        "lastblockhash" : "0x1c68f4ba757ee5f7e94a774baadc859c1ad517d4c72c4b8cad8a1a4b97ebb94d",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -320,6 +430,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g1v0.json
index acf6df421..3d6010106 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d28g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g1v0Filler.json",
-            "sourceHash" : "8eef1929335d9bac8d5c05ef301c926571d6682472044a8da5672a9718114db8"
+            "sourceHash" : "b51c34dc5007d6a28a03491975d1a3862fbc9c1bb18d8a5b46d7ca4aa83b9437"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x458224096cdd93df78aba782257194f476da2515e69ba24b4574553c56e4b22f",
-                    "mixHash" : "0xa6a47abc36f932a8e5fe8908a83ed1556ac06423b390d6c3c5eaab42a39d7d4c",
-                    "nonce" : "0x75dfe5e1f0837e48",
+                    "hash" : "0xc02ddebbfeff3ce750b300a41dee17c7c87b3169513dd206e5807b9bf884a4d1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc89d9f825601f3e3d3e33a5d4da3096399d87f9323e4869f42d6894d2660ff52",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x458224096cdd93df78aba782257194f476da2515e69ba24b4574553c56e4b22f",
+        "lastblockhash" : "0xc02ddebbfeff3ce750b300a41dee17c7c87b3169513dd206e5807b9bf884a4d1",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -104,15 +104,124 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d28g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g1v0Filler.json",
+            "sourceHash" : "b51c34dc5007d6a28a03491975d1a3862fbc9c1bb18d8a5b46d7ca4aa83b9437"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x015d08",
+                    "hash" : "0x3186b6f5bf27b088d947a2b3a1e70718aea3f7f6c8e34ad8fb00723e088bc9dd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x553b8ac26deefa85bff5e798bce9457c2a70eaf7b3b81034a1046a48418daff4",
+                    "stateRoot" : "0x210a7e7168b738967669677207d8391fcadc2e69587a678ac4e115ba660b7e28",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc89d9f825601f3e3d3e33a5d4da3096399d87f9323e4869f42d6894d2660ff52",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x8a7156a20980bf7aa66c2b6258ea93c7164e7468c16cfa91fa64c7517459e89a",
+                        "s" : "0x416ef5541351ca8a857b5459a7aad87a6e8829458b454e17c61d02f1eb3e889c",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x3186b6f5bf27b088d947a2b3a1e70718aea3f7f6c8e34ad8fb00723e088bc9dd",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec95d08",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ea2f8",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d28g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g1v0Filler.json",
-            "sourceHash" : "8eef1929335d9bac8d5c05ef301c926571d6682472044a8da5672a9718114db8"
+            "sourceHash" : "b51c34dc5007d6a28a03491975d1a3862fbc9c1bb18d8a5b46d7ca4aa83b9437"
         },
         "blocks" : [
             {
@@ -123,9 +232,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x87793e8803f74cb62fcadb88b9d4f4918ad48a14c23033b29dc89164dfa74d4a",
-                    "mixHash" : "0x72838c627f5169baf0fb694eaa5780a6b8a7eeb064d5eef5873678ed68196be2",
-                    "nonce" : "0xfb65ad4800b50bd9",
+                    "hash" : "0xed9d260e613caf90a6ef8986e07eefad5e08636a22346090ec984154d0c729e3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -134,7 +243,7 @@
                     "transactionsTrie" : "0xc89d9f825601f3e3d3e33a5d4da3096399d87f9323e4869f42d6894d2660ff52",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -171,7 +280,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x87793e8803f74cb62fcadb88b9d4f4918ad48a14c23033b29dc89164dfa74d4a",
+        "lastblockhash" : "0xed9d260e613caf90a6ef8986e07eefad5e08636a22346090ec984154d0c729e3",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -212,15 +321,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d28g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g1v0Filler.json",
-            "sourceHash" : "8eef1929335d9bac8d5c05ef301c926571d6682472044a8da5672a9718114db8"
+            "sourceHash" : "b51c34dc5007d6a28a03491975d1a3862fbc9c1bb18d8a5b46d7ca4aa83b9437"
         },
         "blocks" : [
             {
@@ -231,9 +341,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x88c815fe6efb5ebc3146685bb4030f65ccf4ba78fc19f5910fc3746712f8aedf",
-                    "mixHash" : "0x979ad636be407a1d33b105da9a5807ab7a1f7d02c18460b9dcd9b168098b33bb",
-                    "nonce" : "0xf7854060edef84c0",
+                    "hash" : "0xed9d260e613caf90a6ef8986e07eefad5e08636a22346090ec984154d0c729e3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -242,7 +352,7 @@
                     "transactionsTrie" : "0xc89d9f825601f3e3d3e33a5d4da3096399d87f9323e4869f42d6894d2660ff52",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -279,7 +389,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x88c815fe6efb5ebc3146685bb4030f65ccf4ba78fc19f5910fc3746712f8aedf",
+        "lastblockhash" : "0xed9d260e613caf90a6ef8986e07eefad5e08636a22346090ec984154d0c729e3",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -320,6 +430,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g2v0.json
index c53f206cc..761f0286d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d28g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g2v0Filler.json",
-            "sourceHash" : "0640302c90a846339d5d53c80a3a8a4330cda81f24577b518d3a756d7d14ab1b"
+            "sourceHash" : "0515f8a89a2d64982dd6cfe7620b28aa8a9f5ce297622ed03e2c7ae316203398"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0xc059982341a0144bef2fa9b806ae64a5984f77225cf00639688b9dc0af6c7a9f",
-                    "mixHash" : "0xe77d4a262d068b1b630a7d158b03ea7dc2fbc2f6ec9f2c00e5799c7645fc3d05",
-                    "nonce" : "0xd2cc39e71370c141",
+                    "hash" : "0xc049bfe6061f3930e344ce78e088a143411d7214b652b77b77e997019d6bd260",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4cc126ee6982399868909f259e137d3689b7514a68550f772cd02f2aab5e9b5e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc059982341a0144bef2fa9b806ae64a5984f77225cf00639688b9dc0af6c7a9f",
+        "lastblockhash" : "0xc049bfe6061f3930e344ce78e088a143411d7214b652b77b77e997019d6bd260",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -104,15 +104,124 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d28g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g2v0Filler.json",
+            "sourceHash" : "0515f8a89a2d64982dd6cfe7620b28aa8a9f5ce297622ed03e2c7ae316203398"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x01a9f0",
+                    "hash" : "0x8fec7bd0daf551b1b6e0709bfe0557fd61f32bc4544b177b048a6ff3d7d1a99f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x5b1dd3e98c69bd6065ccf7158fda89e59b1835ce0ecefc93f67be98f244cb601",
+                    "stateRoot" : "0x2e22f6bb88be8a29d2b5039f44bdcecb6ccf27dfbf1afc193d0ecb38aab85f51",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4cc126ee6982399868909f259e137d3689b7514a68550f772cd02f2aab5e9b5e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xb5eae48c93e7147c557d866a83506df2c06c8bac25d541d2aa7845528c80acfb",
+                        "s" : "0x40ecfc0acced29e78a66e995a5908d24a402ddde0649197f5e50586f44600d73",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8fec7bd0daf551b1b6e0709bfe0557fd61f32bc4544b177b048a6ff3d7d1a99f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec9a9f0",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9e5610",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d28g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g2v0Filler.json",
-            "sourceHash" : "0640302c90a846339d5d53c80a3a8a4330cda81f24577b518d3a756d7d14ab1b"
+            "sourceHash" : "0515f8a89a2d64982dd6cfe7620b28aa8a9f5ce297622ed03e2c7ae316203398"
         },
         "blocks" : [
             {
@@ -123,9 +232,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x790a97cd8da528585387a69386ecc01c76eed7460aca925c6bce20ccf326d53b",
-                    "mixHash" : "0x1dd912ecf9bbb31affc4f94072e3d6093590302f7c1587655b35728d782db84a",
-                    "nonce" : "0x2ab26a6588c75288",
+                    "hash" : "0x75ce091ee7b8cd5a922d527486ba26613d2edc8929d47c2f09e2e43a22bdaa1f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -134,7 +243,7 @@
                     "transactionsTrie" : "0x4cc126ee6982399868909f259e137d3689b7514a68550f772cd02f2aab5e9b5e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -171,7 +280,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x790a97cd8da528585387a69386ecc01c76eed7460aca925c6bce20ccf326d53b",
+        "lastblockhash" : "0x75ce091ee7b8cd5a922d527486ba26613d2edc8929d47c2f09e2e43a22bdaa1f",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -212,15 +321,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d28g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g2v0Filler.json",
-            "sourceHash" : "0640302c90a846339d5d53c80a3a8a4330cda81f24577b518d3a756d7d14ab1b"
+            "sourceHash" : "0515f8a89a2d64982dd6cfe7620b28aa8a9f5ce297622ed03e2c7ae316203398"
         },
         "blocks" : [
             {
@@ -231,9 +341,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x885b9f25cd39b8bb9b11754331d70c51fe0b31ee63b9b726823be121ea94ae0e",
-                    "mixHash" : "0x33ecbe5e74ad09ea664400ffa85c4adb71b19916da8bb32efd6363b0e5666ada",
-                    "nonce" : "0xbe61eb33326991ba",
+                    "hash" : "0x75ce091ee7b8cd5a922d527486ba26613d2edc8929d47c2f09e2e43a22bdaa1f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -242,7 +352,7 @@
                     "transactionsTrie" : "0x4cc126ee6982399868909f259e137d3689b7514a68550f772cd02f2aab5e9b5e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -279,7 +389,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x885b9f25cd39b8bb9b11754331d70c51fe0b31ee63b9b726823be121ea94ae0e",
+        "lastblockhash" : "0x75ce091ee7b8cd5a922d527486ba26613d2edc8929d47c2f09e2e43a22bdaa1f",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -320,6 +430,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g3v0.json
index 78a717154..4085ded45 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d28g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d28g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g3v0Filler.json",
-            "sourceHash" : "7fe7f49e19e4da1e3cce4c45de964baef053f9c35c5ccddcbd1a467d3f9b5985"
+            "sourceHash" : "01031250e218c48ffcef7cb017da6921bf0107cabbf4aefb781d7854cc01c381"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0xd0169b8e1dac631705374b35d8caa831a8a098ba92b05b6bbf686a4398672951",
-                    "mixHash" : "0xfd2ee385d7604367a70680701b26e2fc2a2d010f4bbf68fcd730bb1cb46a7180",
-                    "nonce" : "0x1c3cc364cc5fb0f3",
+                    "hash" : "0xf943212b38b3232a3b17bb46aff9757ec3253ab279ca3e7691744ac0bd63964c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe87631c7ecfc469c3fb901c9df6c7602215a3b1b1736459734026d6f325b9283",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902a3f901faa070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa02e53ca1bf0ecf8fb12de725dc42b5115052825e173cfafde3adbbaaa361a828da0e87631c7ecfc469c3fb901c9df6c7602215a3b1b1736459734026d6f325b9283a0ea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cfb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40083030d408203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8a3f8a1800183030d4094100000000000000000000000000000000000000080b840000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000001ca03e66eafb50988fa4cbb9005272e57ddcbca3f2a4c0c6cd67f1ea76f91417d9dda02a2047c8aad3dcc177ffb0aab9365a7cbd761e812ee234e4da3a08831d66fd39c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd0169b8e1dac631705374b35d8caa831a8a098ba92b05b6bbf686a4398672951",
+        "lastblockhash" : "0xf943212b38b3232a3b17bb46aff9757ec3253ab279ca3e7691744ac0bd63964c",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -104,15 +104,124 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d28g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g3v0Filler.json",
+            "sourceHash" : "01031250e218c48ffcef7cb017da6921bf0107cabbf4aefb781d7854cc01c381"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x030402",
+                    "hash" : "0xe4061d09bbbf92eba3f517ad317880ba9ed5e7d115f24df942cbb4e8e350e828",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x05f2665e5abc6b8aedf66a620f961f6339d5a70d6b71e80999a100c59cfd157b",
+                    "stateRoot" : "0xfd9bd262568f9fd98c9d4bc2176f1e6cc901815d3c2edd99b2dd8f643a9439d2",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe87631c7ecfc469c3fb901c9df6c7602215a3b1b1736459734026d6f325b9283",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x3e66eafb50988fa4cbb9005272e57ddcbca3f2a4c0c6cd67f1ea76f91417d9dd",
+                        "s" : "0x2a2047c8aad3dcc177ffb0aab9365a7cbd761e812ee234e4da3a08831d66fd39",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xe4061d09bbbf92eba3f517ad317880ba9ed5e7d115f24df942cbb4e8e350e828",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ecb0402",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9cfbfe",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d28g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g3v0Filler.json",
-            "sourceHash" : "7fe7f49e19e4da1e3cce4c45de964baef053f9c35c5ccddcbd1a467d3f9b5985"
+            "sourceHash" : "01031250e218c48ffcef7cb017da6921bf0107cabbf4aefb781d7854cc01c381"
         },
         "blocks" : [
             {
@@ -123,9 +232,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x7fb650833a986475f336371f5b4fefd8a4b174d4991a262ba628f8d8c12e24ac",
-                    "mixHash" : "0xd5b2dc816870c397d82b22d4334e98c2355a2e5468448831b526a7b70b6c67b9",
-                    "nonce" : "0xc65b629ac4658a50",
+                    "hash" : "0x8494893e5e726e289bfe6c38f98262f34099cd13b686cb9a95db4ea6727488a2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -134,7 +243,7 @@
                     "transactionsTrie" : "0xe87631c7ecfc469c3fb901c9df6c7602215a3b1b1736459734026d6f325b9283",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -171,7 +280,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x7fb650833a986475f336371f5b4fefd8a4b174d4991a262ba628f8d8c12e24ac",
+        "lastblockhash" : "0x8494893e5e726e289bfe6c38f98262f34099cd13b686cb9a95db4ea6727488a2",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -212,15 +321,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d28g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d28g3v0Filler.json",
-            "sourceHash" : "7fe7f49e19e4da1e3cce4c45de964baef053f9c35c5ccddcbd1a467d3f9b5985"
+            "sourceHash" : "01031250e218c48ffcef7cb017da6921bf0107cabbf4aefb781d7854cc01c381"
         },
         "blocks" : [
             {
@@ -231,9 +341,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x8b9496bbf27b94b2610fdcfff185d2ac1ca18841a94265a7db57d66f24fcaf59",
-                    "mixHash" : "0x128849cf44dc1d362f5c45289f0ab5409c8984faa5b1abd68c6859c267945aa4",
-                    "nonce" : "0x9c045cd02d8f85bb",
+                    "hash" : "0x8494893e5e726e289bfe6c38f98262f34099cd13b686cb9a95db4ea6727488a2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -242,7 +352,7 @@
                     "transactionsTrie" : "0xe87631c7ecfc469c3fb901c9df6c7602215a3b1b1736459734026d6f325b9283",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902a2f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa041214e18c1e664353bc4e8e38c1abd74e4cea876afc4d894bcaae34adeac40afa0e87631c7ecfc469c3fb901c9df6c7602215a3b1b1736459734026d6f325b9283a03a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b8418203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8a3f8a1800183030d4094100000000000000000000000000000000000000080b840000000000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000000000000000000000000000000000001ca03e66eafb50988fa4cbb9005272e57ddcbca3f2a4c0c6cd67f1ea76f91417d9dda02a2047c8aad3dcc177ffb0aab9365a7cbd761e812ee234e4da3a08831d66fd39c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000400000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -279,7 +389,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8b9496bbf27b94b2610fdcfff185d2ac1ca18841a94265a7db57d66f24fcaf59",
+        "lastblockhash" : "0x8494893e5e726e289bfe6c38f98262f34099cd13b686cb9a95db4ea6727488a2",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -320,6 +430,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g0v0.json
index 390985e54..30e2ffb97 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d29g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g0v0Filler.json",
-            "sourceHash" : "91574e9b830a43873f67bbae114610fe7486f72d6351750b8cd564dbb4d2b448"
+            "sourceHash" : "8459fc8d41a7f253199f3ab3688c9a35a3711d4a70cde9b24f12b1fa9f9f6fcc"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x4dbd868c647bab1fc33e210ff1b2d36a8c17b70d2755f5cc21e3c1b351074882",
-                    "mixHash" : "0x6bd0458277a5789af9314b8be6872a03977cd91d58e9429cedc2f90294126be6",
-                    "nonce" : "0x537ceb03166f89d9",
+                    "hash" : "0xa2f0fd4545983e4e2a86f91a480cfe718d206fd9f3ef3eb9f820ff8d735ed205",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x62203b0f5618301b94309d80d02bedb1332969699aaa022cbd0957db899b3055",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6a315c4458a7e36a3dd3086bfe229fd5e9d4eaf5353a0d386a900938d8691f4c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902a3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa01fb1510c4db53ccef9a660c59fee78c5ecd2e3c02b10baa89fb8208515529d39a06a315c4458a7e36a3dd3086bfe229fd5e9d4eaf5353a0d386a900938d8691f4ca062203b0f5618301b94309d80d02bedb1332969699aaa022cbd0957db899b3055b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b8418203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8a4f8a280018405f5e10094100000000000000000000000000000000000000080b840000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000001ba0456029b38db2d324da3df0b727dff002315d9be056cb228963b86308ff4e9066a014fce2f2cbadb4d21086b19eb74f8341bdf6137e972ff22cd1791f6cebbaa48ac0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4dbd868c647bab1fc33e210ff1b2d36a8c17b70d2755f5cc21e3c1b351074882",
+        "lastblockhash" : "0xa2f0fd4545983e4e2a86f91a480cfe718d206fd9f3ef3eb9f820ff8d735ed205",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d29g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g0v0Filler.json",
+            "sourceHash" : "8459fc8d41a7f253199f3ab3688c9a35a3711d4a70cde9b24f12b1fa9f9f6fcc"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa581",
+                    "hash" : "0xbe703df404b144b06f39de1d5d8752fe942b7f2d6040c4351bdf4dfe899e42ec",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x352b335e0376782eb51bf3d0f96e8b555fbb94fd132ceac78824b92c82d6cb14",
+                    "stateRoot" : "0x70fe19780da5bf4f55de65b52bef851b7ffc0ad29a9f6947ac5901fdd3da31cd",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6a315c4458a7e36a3dd3086bfe229fd5e9d4eaf5353a0d386a900938d8691f4c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x456029b38db2d324da3df0b727dff002315d9be056cb228963b86308ff4e9066",
+                        "s" : "0x14fce2f2cbadb4d21086b19eb74f8341bdf6137e972ff22cd1791f6cebbaa48a",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xbe703df404b144b06f39de1d5d8752fe942b7f2d6040c4351bdf4dfe899e42ec",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a581",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5a7f",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d29g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g0v0Filler.json",
-            "sourceHash" : "91574e9b830a43873f67bbae114610fe7486f72d6351750b8cd564dbb4d2b448"
+            "sourceHash" : "8459fc8d41a7f253199f3ab3688c9a35a3711d4a70cde9b24f12b1fa9f9f6fcc"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0xb7d5d3741c39d3f79102e1b025362016eded501055b3e944ad8262f3865ace03",
-                    "mixHash" : "0xea104ce6aedcef2da8c44f86b6b487a75c20d8a5ad0a5261bd1566ab3b6d9d6b",
-                    "nonce" : "0x526636c2c9371ec8",
+                    "hash" : "0x99d414b471feca6ed970962a9d5bca0cfc5e274e3a454f4ce642111ddf5e34da",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x6a315c4458a7e36a3dd3086bfe229fd5e9d4eaf5353a0d386a900938d8691f4c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb7d5d3741c39d3f79102e1b025362016eded501055b3e944ad8262f3865ace03",
+        "lastblockhash" : "0x99d414b471feca6ed970962a9d5bca0cfc5e274e3a454f4ce642111ddf5e34da",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d29g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g0v0Filler.json",
-            "sourceHash" : "91574e9b830a43873f67bbae114610fe7486f72d6351750b8cd564dbb4d2b448"
+            "sourceHash" : "8459fc8d41a7f253199f3ab3688c9a35a3711d4a70cde9b24f12b1fa9f9f6fcc"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x47db97b19667ff115edee18c592243bed3ddb149e230687f540f278093717aa1",
-                    "mixHash" : "0xf13df1ad4603506e89ca7642ba997c183307355c89300672ccac80921dcc240a",
-                    "nonce" : "0xe39182e054f70425",
+                    "hash" : "0x99d414b471feca6ed970962a9d5bca0cfc5e274e3a454f4ce642111ddf5e34da",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x6a315c4458a7e36a3dd3086bfe229fd5e9d4eaf5353a0d386a900938d8691f4c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x47db97b19667ff115edee18c592243bed3ddb149e230687f540f278093717aa1",
+        "lastblockhash" : "0x99d414b471feca6ed970962a9d5bca0cfc5e274e3a454f4ce642111ddf5e34da",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g1v0.json
index 058431d87..cb1061da2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d29g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g1v0Filler.json",
-            "sourceHash" : "428f5080ce7a99928add74b31082c5d7b1a60a6e8a495eeb6863c2fa0ccbd9ab"
+            "sourceHash" : "6ab1b1f8349e78afb47c00381012a63d4724921283459fbfc05f037b4c6b6aec"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x3eed5ee0b8a014e56f7864ae8905952e2f8627cc655852377509fc9df76249a2",
-                    "mixHash" : "0xcbc20a31afe97690075bb4c26b443f23eef37e2be646a07d6ffff1fd232cc3df",
-                    "nonce" : "0x50b6595b1536f20a",
+                    "hash" : "0x1f72609726c65c9b87bfa864f10594f60d8300cfcce37b697689f8d0827f1ba6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x62203b0f5618301b94309d80d02bedb1332969699aaa022cbd0957db899b3055",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x201ab4dd2248cc1f6e7c153de7fccbfbea0a8e9c1483a73a84f12603d88d25b6",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0x3eed5ee0b8a014e56f7864ae8905952e2f8627cc655852377509fc9df76249a2",
+        "lastblockhash" : "0x1f72609726c65c9b87bfa864f10594f60d8300cfcce37b697689f8d0827f1ba6",
         "network" : "Byzantium",
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             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d29g1v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5a7f",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
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+            }
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d29g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g1v0Filler.json",
-            "sourceHash" : "428f5080ce7a99928add74b31082c5d7b1a60a6e8a495eeb6863c2fa0ccbd9ab"
+            "sourceHash" : "6ab1b1f8349e78afb47c00381012a63d4724921283459fbfc05f037b4c6b6aec"
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             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0xcf2367076026bdf9e8577c37f72e7dcfd8e203ffa1362e5b87ca20a6935e64c7",
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-                    "nonce" : "0x804b23c010da6dc6",
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+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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@@ -135,7 +245,7 @@
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@@ -172,7 +282,7 @@
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-        "lastblockhash" : "0xcf2367076026bdf9e8577c37f72e7dcfd8e203ffa1362e5b87ca20a6935e64c7",
+        "lastblockhash" : "0x533d512f76fc154509d14324c898e35e356635f948ba4146b5a5eab45060293c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d29g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g1v0Filler.json",
-            "sourceHash" : "428f5080ce7a99928add74b31082c5d7b1a60a6e8a495eeb6863c2fa0ccbd9ab"
+            "sourceHash" : "6ab1b1f8349e78afb47c00381012a63d4724921283459fbfc05f037b4c6b6aec"
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@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x658b2c683d05d47d45120657b9f472a93109f2e1f6770e09a531a50cb0aec9fd",
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-                    "nonce" : "0xd656e7e48d5dcc54",
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@@ -243,7 +354,7 @@
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@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x658b2c683d05d47d45120657b9f472a93109f2e1f6770e09a531a50cb0aec9fd",
+        "lastblockhash" : "0x533d512f76fc154509d14324c898e35e356635f948ba4146b5a5eab45060293c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g2v0.json
index 7af73c13c..95672a5bd 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d29g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g2v0Filler.json",
-            "sourceHash" : "068e9ccbd96b7369e3882d0a262d447b52cbfdec6b4e8fd39bcfa3800267a6e0"
+            "sourceHash" : "3ab16316f276d85af968f9d054268f2406af14ea44b00a4d1da3e8af8ec6d2a0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x6ed774a5d3bd4c37d847a4f95f77850195b96c218122b61f646f3efbb33dfec5",
-                    "mixHash" : "0xb7cad2c134a6f27fdbb6bbb9807c330ddf3fd6ce081d28fadfa9afaf9c39569d",
-                    "nonce" : "0xc7e3dc81f5a7cd58",
+                    "hash" : "0x79389a0929b56ed0d4695772cb6ead3b1d8062db24c4ad3985cff9c4d7371b08",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x62203b0f5618301b94309d80d02bedb1332969699aaa022cbd0957db899b3055",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe717dfd6edc49c72276facf2c2a09de0cdb85a81e192ef4a53836e77df7f44ec",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6ed774a5d3bd4c37d847a4f95f77850195b96c218122b61f646f3efbb33dfec5",
+        "lastblockhash" : "0x79389a0929b56ed0d4695772cb6ead3b1d8062db24c4ad3985cff9c4d7371b08",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d29g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g2v0Filler.json",
+            "sourceHash" : "3ab16316f276d85af968f9d054268f2406af14ea44b00a4d1da3e8af8ec6d2a0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa581",
+                    "hash" : "0x6da45f1645359ac346e920cbc3301d49f800b06ecdea533401ffcae941b01643",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x352b335e0376782eb51bf3d0f96e8b555fbb94fd132ceac78824b92c82d6cb14",
+                    "stateRoot" : "0x70fe19780da5bf4f55de65b52bef851b7ffc0ad29a9f6947ac5901fdd3da31cd",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe717dfd6edc49c72276facf2c2a09de0cdb85a81e192ef4a53836e77df7f44ec",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x187a02b824360c77dc66dd1dbf132a83a1baccabbda5ab914e9bf113c5c54654",
+                        "s" : "0x48658c8a659a250cb110c9175f2994de25ccffd3960dc301fa3c285892377058",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6da45f1645359ac346e920cbc3301d49f800b06ecdea533401ffcae941b01643",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a581",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5a7f",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d29g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g2v0Filler.json",
-            "sourceHash" : "068e9ccbd96b7369e3882d0a262d447b52cbfdec6b4e8fd39bcfa3800267a6e0"
+            "sourceHash" : "3ab16316f276d85af968f9d054268f2406af14ea44b00a4d1da3e8af8ec6d2a0"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x69c7adcbf7ad736140e888cfed0702271acc6ab7579817d7cc6ce8f5f6fc984f",
-                    "mixHash" : "0x367d1fc3d1212f12f1d8ad1ffd16a3c88e387b4e7d4c5300abf8e14da2dcccc7",
-                    "nonce" : "0x7f344ff0b0ff56c0",
+                    "hash" : "0x58349d3f10337c7be8a6a037590191f1b709cdf45ff1643e278912fee8e2e191",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xe717dfd6edc49c72276facf2c2a09de0cdb85a81e192ef4a53836e77df7f44ec",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902a2f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa041214e18c1e664353bc4e8e38c1abd74e4cea876afc4d894bcaae34adeac40afa0e717dfd6edc49c72276facf2c2a09de0cdb85a81e192ef4a53836e77df7f44eca03a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b8418203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8a3f8a180018301adb094100000000000000000000000000000000000000080b840000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400000000001ba0187a02b824360c77dc66dd1dbf132a83a1baccabbda5ab914e9bf113c5c54654a048658c8a659a250cb110c9175f2994de25ccffd3960dc301fa3c285892377058c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x69c7adcbf7ad736140e888cfed0702271acc6ab7579817d7cc6ce8f5f6fc984f",
+        "lastblockhash" : "0x58349d3f10337c7be8a6a037590191f1b709cdf45ff1643e278912fee8e2e191",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d29g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g2v0Filler.json",
-            "sourceHash" : "068e9ccbd96b7369e3882d0a262d447b52cbfdec6b4e8fd39bcfa3800267a6e0"
+            "sourceHash" : "3ab16316f276d85af968f9d054268f2406af14ea44b00a4d1da3e8af8ec6d2a0"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x21b1dc9d59d8c32138e504b1e387cf3801549d7e8c7ea03a29e282db4efcfc58",
-                    "mixHash" : "0x4536f18395810e15391d5bd8e0b2d8929bbf7bb1558b34ad45122e82aa7bd13f",
-                    "nonce" : "0xeb153429f57fe253",
+                    "hash" : "0x58349d3f10337c7be8a6a037590191f1b709cdf45ff1643e278912fee8e2e191",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xe717dfd6edc49c72276facf2c2a09de0cdb85a81e192ef4a53836e77df7f44ec",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x21b1dc9d59d8c32138e504b1e387cf3801549d7e8c7ea03a29e282db4efcfc58",
+        "lastblockhash" : "0x58349d3f10337c7be8a6a037590191f1b709cdf45ff1643e278912fee8e2e191",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g3v0.json
index b73bb40af..891acd99a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d29g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d29g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g3v0Filler.json",
-            "sourceHash" : "4dd2f3345970e5cf9e33ca2d7d0f2e453b09ccf2bdd37f6159733aa17f506717"
+            "sourceHash" : "8cde3e542fb09ff9cfb020e228e526e18eabab98f963c254862d28b79fc7fddd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x5513d429bdd4592352741003b1178f8d84d80788dbfd97794d18ca0387268d61",
-                    "mixHash" : "0x149df05cc7f1ca36252b462bd70d5b67b9e7a447b1c9756c4171e4361995b52a",
-                    "nonce" : "0x3e6b8eb1baae89ca",
+                    "hash" : "0x6e4d6c0c238d474677c5a906c4fc919f9cae90ab78c84af0e3120fa91db6227a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x62203b0f5618301b94309d80d02bedb1332969699aaa022cbd0957db899b3055",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x97c1cce12c386875b0bb716a96c138d04876753da6cffb1840a14bbd7af25f2c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5513d429bdd4592352741003b1178f8d84d80788dbfd97794d18ca0387268d61",
+        "lastblockhash" : "0x6e4d6c0c238d474677c5a906c4fc919f9cae90ab78c84af0e3120fa91db6227a",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d29g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g3v0Filler.json",
+            "sourceHash" : "8cde3e542fb09ff9cfb020e228e526e18eabab98f963c254862d28b79fc7fddd"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa581",
+                    "hash" : "0x11ad50f91c240ab974f5c24eb5b86822d3d294859ee7cd3a483d36b008a083fd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x352b335e0376782eb51bf3d0f96e8b555fbb94fd132ceac78824b92c82d6cb14",
+                    "stateRoot" : "0x70fe19780da5bf4f55de65b52bef851b7ffc0ad29a9f6947ac5901fdd3da31cd",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x97c1cce12c386875b0bb716a96c138d04876753da6cffb1840a14bbd7af25f2c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xf52159942bb4671178e16c649dd9006aca00faf94d17d42a8ae430f72a4a3fb2",
+                        "s" : "0x660bdff6f2d89b40ab82a22e975a6108069c56b3340390cbd5091c627fc81f8b",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x11ad50f91c240ab974f5c24eb5b86822d3d294859ee7cd3a483d36b008a083fd",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a581",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5a7f",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d29g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g3v0Filler.json",
-            "sourceHash" : "4dd2f3345970e5cf9e33ca2d7d0f2e453b09ccf2bdd37f6159733aa17f506717"
+            "sourceHash" : "8cde3e542fb09ff9cfb020e228e526e18eabab98f963c254862d28b79fc7fddd"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x8ff4d465128d70aa043c6e6eb0c16be08054bbec46004adf6a9af43ba2289f7b",
-                    "mixHash" : "0x3eabf941507b6c4c2be8104659e3e52bd7c6cd2407620e7a9ed909486e824ba1",
-                    "nonce" : "0xd4ea7c033dd6ed6e",
+                    "hash" : "0x4a7be127334cba4eb5899f2013aa17d84cb9d6cdf23c89097d2944f2ad914d53",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x97c1cce12c386875b0bb716a96c138d04876753da6cffb1840a14bbd7af25f2c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8ff4d465128d70aa043c6e6eb0c16be08054bbec46004adf6a9af43ba2289f7b",
+        "lastblockhash" : "0x4a7be127334cba4eb5899f2013aa17d84cb9d6cdf23c89097d2944f2ad914d53",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d29g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d29g3v0Filler.json",
-            "sourceHash" : "4dd2f3345970e5cf9e33ca2d7d0f2e453b09ccf2bdd37f6159733aa17f506717"
+            "sourceHash" : "8cde3e542fb09ff9cfb020e228e526e18eabab98f963c254862d28b79fc7fddd"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb841",
-                    "hash" : "0x342730b5cd9b207407aa3d4d6a08190c269be1c4f30e2b1bc2ae8572935591d2",
-                    "mixHash" : "0xcbde3746eb15030b7f8fd044210296e4c48d466efe830bcdf3ca111c65f85bd7",
-                    "nonce" : "0xd2877f740cb4fb2c",
+                    "hash" : "0x4a7be127334cba4eb5899f2013aa17d84cb9d6cdf23c89097d2944f2ad914d53",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3a4426a01220b01801cab4dec10092b025798cb1b5f506ea310fe387f4dfcc85",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x97c1cce12c386875b0bb716a96c138d04876753da6cffb1840a14bbd7af25f2c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x342730b5cd9b207407aa3d4d6a08190c269be1c4f30e2b1bc2ae8572935591d2",
+        "lastblockhash" : "0x4a7be127334cba4eb5899f2013aa17d84cb9d6cdf23c89097d2944f2ad914d53",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g0v0.json
index 590e151fc..9db04a3b2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d2g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g0v0Filler.json",
-            "sourceHash" : "5e98c7ff893ccc9e2424ee893b5559b24128b246b369f837f796456dff264d5f"
+            "sourceHash" : "8aad033a778104fc54e005fc1dad696d00e17aa46915fc4013d367a0cd363922"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x05de3259",
-                    "hash" : "0xc87e6f2787c026f19ea24aa6bfec53a04e8925aab9c32c133aa6c8edfcd626b6",
-                    "mixHash" : "0x1086bde50916634ac4d09959df75b56508163862bf61d6743c91ac17e09c262b",
-                    "nonce" : "0x7fca1971fbdf0fb2",
+                    "hash" : "0x649ec1fde4761976799c6b8eee5b4f3420fa22d22237090d85ad7a4d4ac16565",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x86903dc3a8e4041f0a05333771042ecbb6210573ecb052c4037fa582936742fa",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xccecb536d5d53e4f5f483d9a6ab0bb20fc994c2a5e7928f44db39704ae402ca5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc87e6f2787c026f19ea24aa6bfec53a04e8925aab9c32c133aa6c8edfcd626b6",
+        "lastblockhash" : "0x649ec1fde4761976799c6b8eee5b4f3420fa22d22237090d85ad7a4d4ac16565",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -104,15 +104,124 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d2g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g0v0Filler.json",
+            "sourceHash" : "8aad033a778104fc54e005fc1dad696d00e17aa46915fc4013d367a0cd363922"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x05de0cd9",
+                    "hash" : "0x532138cb7ca770dfcf566b4c8cfc262ab35e1036fd584067b71346a604c8fad2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x348c813c4e8ea03298bd5f08443901201b460a1a2eedaf7dfe4a84097077b070",
+                    "stateRoot" : "0x972e153fecde4885dc4fc0db65cd5dd52e21687f5a5cb634e106a4b16085b143",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xccecb536d5d53e4f5f483d9a6ab0bb20fc994c2a5e7928f44db39704ae402ca5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x512f0fdd08ed0aede023ae3dc151505190e54f441ec6a31fd42eacd011353c4f",
+                        "s" : "0x71d6fdab9a50e5fe2b167e71bafc85e531195f6a04b4d314fc5c0112d625cd09",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x532138cb7ca770dfcf566b4c8cfc262ab35e1036fd584067b71346a604c8fad2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d6754a60cd9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5d8c1f327",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d2g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g0v0Filler.json",
-            "sourceHash" : "5e98c7ff893ccc9e2424ee893b5559b24128b246b369f837f796456dff264d5f"
+            "sourceHash" : "8aad033a778104fc54e005fc1dad696d00e17aa46915fc4013d367a0cd363922"
         },
         "blocks" : [
             {
@@ -123,9 +232,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xd1ca",
-                    "hash" : "0x9b8cf85c0f6a3003097188b26be22563e5ba68374a8c7f38a9fe4efc0ddeb633",
-                    "mixHash" : "0x88ea2508548c610cac40286c6a310231331ffbc6fb8ab5dd1601c8a7029bb291",
-                    "nonce" : "0x6b6e5afbe4e085bf",
+                    "hash" : "0xfe2f9c05a6a5715c655f2cabfe163f89d4b771f6dc5d0f1d55883b3376d849b6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5e81d18881ddc94ddbcb843cb981aedbee0e3c58884a7c3aa27cb6cb89a111d0",
@@ -134,7 +243,7 @@
                     "transactionsTrie" : "0xccecb536d5d53e4f5f483d9a6ab0bb20fc994c2a5e7928f44db39704ae402ca5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -171,7 +280,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9b8cf85c0f6a3003097188b26be22563e5ba68374a8c7f38a9fe4efc0ddeb633",
+        "lastblockhash" : "0xfe2f9c05a6a5715c655f2cabfe163f89d4b771f6dc5d0f1d55883b3376d849b6",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -212,15 +321,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d2g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g0v0Filler.json",
-            "sourceHash" : "5e98c7ff893ccc9e2424ee893b5559b24128b246b369f837f796456dff264d5f"
+            "sourceHash" : "8aad033a778104fc54e005fc1dad696d00e17aa46915fc4013d367a0cd363922"
         },
         "blocks" : [
             {
@@ -231,9 +341,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xd1ca",
-                    "hash" : "0xa9b95a17fec6bc0ee0238e49b903749946fe3f57d166cfe70d5e1cc5964f9ddd",
-                    "mixHash" : "0x7f723f84671586767b0071ed5fcb6f4706e5db92cf381eeb6c9094a6a2da7ac0",
-                    "nonce" : "0x20225e76e6e7a38a",
+                    "hash" : "0xfe2f9c05a6a5715c655f2cabfe163f89d4b771f6dc5d0f1d55883b3376d849b6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5e81d18881ddc94ddbcb843cb981aedbee0e3c58884a7c3aa27cb6cb89a111d0",
@@ -242,7 +352,7 @@
                     "transactionsTrie" : "0xccecb536d5d53e4f5f483d9a6ab0bb20fc994c2a5e7928f44db39704ae402ca5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -279,7 +389,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa9b95a17fec6bc0ee0238e49b903749946fe3f57d166cfe70d5e1cc5964f9ddd",
+        "lastblockhash" : "0xfe2f9c05a6a5715c655f2cabfe163f89d4b771f6dc5d0f1d55883b3376d849b6",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -320,6 +430,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g1v0.json
index 1ea9e55e6..855add270 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d2g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g1v0Filler.json",
-            "sourceHash" : "07a0db23ef2ef9ae91af9adeb4ed14b4a6c98b43f0a07f2f70ada3f4489ac056"
+            "sourceHash" : "4ad344526868377862c77bfcff9e628288b7dde2c0b8aa651729a0429edfd3c9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x015f90",
-                    "hash" : "0x275c787b73a96daf925bcfbbb5aa13a51dc93606a541c513b1e93ba4b4f777d6",
-                    "mixHash" : "0x85d433993c61cf69b15dc2a4152e00d7ef46a741f5c4b4a1406347837ef2775a",
-                    "nonce" : "0x29d2e6721b24f051",
+                    "hash" : "0x476f9406068159f2e36b5147838809308e9448ced54f0bd8564cad99fce3f223",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x22140012d7300d5a027646b3c3f97683d4af689c0ab818cf01a532204bcb4a59",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x72fd38bff5d1be9f0e78754110c3bb85a135ec722cf049798fb73dc14d03927a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x275c787b73a96daf925bcfbbb5aa13a51dc93606a541c513b1e93ba4b4f777d6",
+        "lastblockhash" : "0x476f9406068159f2e36b5147838809308e9448ced54f0bd8564cad99fce3f223",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -104,15 +104,124 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d2g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g1v0Filler.json",
+            "sourceHash" : "4ad344526868377862c77bfcff9e628288b7dde2c0b8aa651729a0429edfd3c9"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x015d6f",
+                    "hash" : "0x213727a55f471e9b82672e769a365705c369b60b3a05c3b8b85310e0a66705e1",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xf54c8748a9f54fd5c73a549775d6de3e7af7853736bdae033a56f199d6b00a2e",
+                    "stateRoot" : "0x9c9502fc0fd08f58c24b344993f3346bf709c776a12cf8ff079b3efd635f7ab6",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x72fd38bff5d1be9f0e78754110c3bb85a135ec722cf049798fb73dc14d03927a",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf90305f901faa070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa09c9502fc0fd08f58c24b344993f3346bf709c776a12cf8ff079b3efd635f7ab6a072fd38bff5d1be9f0e78754110c3bb85a135ec722cf049798fb73dc14d03927aa0f54c8748a9f54fd5c73a549775d6de3e7af7853736bdae033a56f199d6b00a2eb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40083015d6f8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f90104f90101800183015f9094100000000000000000000000000000000000000080b8a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd1ca0351003ed1aebaea665ff3025c75fecdaced8d59633f1d30259c7a6bfb8e4ee92a05f232f0af9fe524de401a4e05ecb88c41d9b11778853d7a0abdc779b82d1e583c0",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x351003ed1aebaea665ff3025c75fecdaced8d59633f1d30259c7a6bfb8e4ee92",
+                        "s" : "0x5f232f0af9fe524de401a4e05ecb88c41d9b11778853d7a0abdc779b82d1e583",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x213727a55f471e9b82672e769a365705c369b60b3a05c3b8b85310e0a66705e1",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec95d6f",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ea291",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d2g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g1v0Filler.json",
-            "sourceHash" : "07a0db23ef2ef9ae91af9adeb4ed14b4a6c98b43f0a07f2f70ada3f4489ac056"
+            "sourceHash" : "4ad344526868377862c77bfcff9e628288b7dde2c0b8aa651729a0429edfd3c9"
         },
         "blocks" : [
             {
@@ -123,9 +232,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xd1ca",
-                    "hash" : "0x378aabea2c6b73d3e8153837f6a833ab962095badd6cb2502390495ae495e923",
-                    "mixHash" : "0xf381e8b058b95d344cf06abd8cbaff8c848d759834e8961c2aff1533828a03ee",
-                    "nonce" : "0xbcdf728fa71a5ae8",
+                    "hash" : "0xf147c8e1e7cd330a59dedf71b7903c456a9a50b623c0036673af4f456ef68c85",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5e81d18881ddc94ddbcb843cb981aedbee0e3c58884a7c3aa27cb6cb89a111d0",
@@ -134,7 +243,7 @@
                     "transactionsTrie" : "0x72fd38bff5d1be9f0e78754110c3bb85a135ec722cf049798fb73dc14d03927a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -171,7 +280,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x378aabea2c6b73d3e8153837f6a833ab962095badd6cb2502390495ae495e923",
+        "lastblockhash" : "0xf147c8e1e7cd330a59dedf71b7903c456a9a50b623c0036673af4f456ef68c85",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -212,15 +321,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d2g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g1v0Filler.json",
-            "sourceHash" : "07a0db23ef2ef9ae91af9adeb4ed14b4a6c98b43f0a07f2f70ada3f4489ac056"
+            "sourceHash" : "4ad344526868377862c77bfcff9e628288b7dde2c0b8aa651729a0429edfd3c9"
         },
         "blocks" : [
             {
@@ -231,9 +341,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xd1ca",
-                    "hash" : "0xb8f5bcf8929a83410812681b03ae22d108b01cc3a13205c0cf3ecbfd2355152a",
-                    "mixHash" : "0x455c0a46adff503ced18f93ee5d9335aee056c3559c6e085a3ca63405516ce31",
-                    "nonce" : "0xc35835010ebdf811",
+                    "hash" : "0xf147c8e1e7cd330a59dedf71b7903c456a9a50b623c0036673af4f456ef68c85",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5e81d18881ddc94ddbcb843cb981aedbee0e3c58884a7c3aa27cb6cb89a111d0",
@@ -242,7 +352,7 @@
                     "transactionsTrie" : "0x72fd38bff5d1be9f0e78754110c3bb85a135ec722cf049798fb73dc14d03927a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -279,7 +389,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb8f5bcf8929a83410812681b03ae22d108b01cc3a13205c0cf3ecbfd2355152a",
+        "lastblockhash" : "0xf147c8e1e7cd330a59dedf71b7903c456a9a50b623c0036673af4f456ef68c85",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -320,6 +430,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g2v0.json
index 20a55319c..a43ce0054 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d2g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g2v0Filler.json",
-            "sourceHash" : "3c6024b8a89db408cf7904a89420695101fc15d6c8ea300144657877623514a3"
+            "sourceHash" : "09a2a750dde653e7e73c3ed10ba418b59aa5a321ff189a8c77085eb201e65bd0"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x01adb0",
-                    "hash" : "0xd8e137348cf9ac6c38dbde469ae938ad64153331c27a42eba0d13384676a2cc5",
-                    "mixHash" : "0x24746f2859e72e5dfe7d4cba8d6a3958fad3fc846d37e6e7ffca379d67aa0b2e",
-                    "nonce" : "0x149bcee7d7d6bb7b",
+                    "hash" : "0xe70c791dd69dcea78ff5c386a6757576a4da9f069c7e9614b4c14fff637455e5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfd21849a7839c2c75da6c5f2828e953f017b356f3e968aba1a97ac6f6c5b31f3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc63efef5ca0d9788754163cd1b2596866da6eb460840556045bd397a5f035f74",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd8e137348cf9ac6c38dbde469ae938ad64153331c27a42eba0d13384676a2cc5",
+        "lastblockhash" : "0xe70c791dd69dcea78ff5c386a6757576a4da9f069c7e9614b4c14fff637455e5",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -104,15 +104,124 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d2g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g2v0Filler.json",
+            "sourceHash" : "09a2a750dde653e7e73c3ed10ba418b59aa5a321ff189a8c77085eb201e65bd0"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x01aa56",
+                    "hash" : "0x0507b16c4cdca9dfcb76d5f6f6b75d0be360757afb70982853008253f66356e4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x4dc210c3323d23b88e12b23c38a01cf7fdcd03279804bb8e4e7fc0f794961484",
+                    "stateRoot" : "0x69fc63b897048a14788b22f540ba7a98f3e71cad365263861cc10ea6c029ca08",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc63efef5ca0d9788754163cd1b2596866da6eb460840556045bd397a5f035f74",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xfe420af3f8bd46481823968a7a2779b1151ea4467ac303d278fdb868e6937d8e",
+                        "s" : "0x02204683addbb932f01afb0a80ddf43f95f017b7966db4b1db85ebe587f60d02",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x0507b16c4cdca9dfcb76d5f6f6b75d0be360757afb70982853008253f66356e4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec9aa56",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9e55aa",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d2g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g2v0Filler.json",
-            "sourceHash" : "3c6024b8a89db408cf7904a89420695101fc15d6c8ea300144657877623514a3"
+            "sourceHash" : "09a2a750dde653e7e73c3ed10ba418b59aa5a321ff189a8c77085eb201e65bd0"
         },
         "blocks" : [
             {
@@ -123,9 +232,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xd1ca",
-                    "hash" : "0x1cce9f701b7c8955c0663685c25094ffd0a54cad974d648d145f53751611bef3",
-                    "mixHash" : "0xd21cd92fafb0e2a5c54070a87fd2cf6a8094d29056b0808a0274a08537a4ec48",
-                    "nonce" : "0x74a7911b94aa67a5",
+                    "hash" : "0xbe691a78724b926170a419c1ea992306c49d11c5e93c17865af7f4d4d212c7f0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5e81d18881ddc94ddbcb843cb981aedbee0e3c58884a7c3aa27cb6cb89a111d0",
@@ -134,7 +243,7 @@
                     "transactionsTrie" : "0xc63efef5ca0d9788754163cd1b2596866da6eb460840556045bd397a5f035f74",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -171,7 +280,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1cce9f701b7c8955c0663685c25094ffd0a54cad974d648d145f53751611bef3",
+        "lastblockhash" : "0xbe691a78724b926170a419c1ea992306c49d11c5e93c17865af7f4d4d212c7f0",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -212,15 +321,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d2g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g2v0Filler.json",
-            "sourceHash" : "3c6024b8a89db408cf7904a89420695101fc15d6c8ea300144657877623514a3"
+            "sourceHash" : "09a2a750dde653e7e73c3ed10ba418b59aa5a321ff189a8c77085eb201e65bd0"
         },
         "blocks" : [
             {
@@ -231,9 +341,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xd1ca",
-                    "hash" : "0x22b75b2bf18f7c6d96c10f00383999370fec95f99dc52cbd9bafa50cd28668aa",
-                    "mixHash" : "0x89a34d2efda8c5c8aeaa9a49344a99d8a1ee3145b3edc0bc85e1c12f232c79cc",
-                    "nonce" : "0xd00f5128308e1597",
+                    "hash" : "0xbe691a78724b926170a419c1ea992306c49d11c5e93c17865af7f4d4d212c7f0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5e81d18881ddc94ddbcb843cb981aedbee0e3c58884a7c3aa27cb6cb89a111d0",
@@ -242,7 +352,7 @@
                     "transactionsTrie" : "0xc63efef5ca0d9788754163cd1b2596866da6eb460840556045bd397a5f035f74",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -279,7 +389,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x22b75b2bf18f7c6d96c10f00383999370fec95f99dc52cbd9bafa50cd28668aa",
+        "lastblockhash" : "0xbe691a78724b926170a419c1ea992306c49d11c5e93c17865af7f4d4d212c7f0",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -320,6 +430,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g3v0.json
index 43bdcb31d..ba092913c 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d2g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d2g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g3v0Filler.json",
-            "sourceHash" : "e3e0fe3f68ca2078e47103e591dde83d42c14a222dab0f442e282e25b306cbc0"
+            "sourceHash" : "2db359ce698a7d8b367352ff88c4245ae4a0d1e4a672224a96c3e6295a9a032c"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x030d40",
-                    "hash" : "0x433e1ff12ba790c04517160c3380de00cb571824b66989be6a4fdf84f750ff94",
-                    "mixHash" : "0xe5c418223a6814806c65f317eb649a3bdbd6a810980260f54b777b599b1a7454",
-                    "nonce" : "0x8876ce7012e18b61",
+                    "hash" : "0xf0642efc4fd134093137294e5e12fa0946f37f1e3050f9f4de10108c6361408b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xea5b87d12423d7570eb418dcdbb9f547f8fcc0577bd026d2189fd8fb550b85cf",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6c56047bf6fe61a0b4a5f9664073fe8fb9c854adf4a46c1c35b223781372ed60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x433e1ff12ba790c04517160c3380de00cb571824b66989be6a4fdf84f750ff94",
+        "lastblockhash" : "0xf0642efc4fd134093137294e5e12fa0946f37f1e3050f9f4de10108c6361408b",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -104,15 +104,124 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d2g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g3v0Filler.json",
+            "sourceHash" : "2db359ce698a7d8b367352ff88c4245ae4a0d1e4a672224a96c3e6295a9a032c"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x030468",
+                    "hash" : "0xc000ee4424034f4eaf1841e1505db22479928ac838600548a36554e02cf78710",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x3f81fd61cd685a026a0fcedc0e7d6f6af9f00cec9304980d9bee9709476c84d4",
+                    "stateRoot" : "0x7dab20a1e306980329c9503ef890c161a15e3ae50cf50ff5a5508ad3cdeef0d8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6c56047bf6fe61a0b4a5f9664073fe8fb9c854adf4a46c1c35b223781372ed60",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xff79988bdc8a07e07eff0467aea12e41851bb6ac24ba26070ba6b231c6771b36",
+                        "s" : "0x113476b7cbec8adf4c43a481b2b8d29cfae08c4d7aa7ed8357c34cb0c8c1a430",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xc000ee4424034f4eaf1841e1505db22479928ac838600548a36554e02cf78710",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ecb0468",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9cfb98",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d2g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g3v0Filler.json",
-            "sourceHash" : "e3e0fe3f68ca2078e47103e591dde83d42c14a222dab0f442e282e25b306cbc0"
+            "sourceHash" : "2db359ce698a7d8b367352ff88c4245ae4a0d1e4a672224a96c3e6295a9a032c"
         },
         "blocks" : [
             {
@@ -123,9 +232,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xd1ca",
-                    "hash" : "0xc8448dc7d5485937b7928315100b445d59dff51479f37999359665d2704c3352",
-                    "mixHash" : "0x99d5a65488dbf65f23f966a5b75380ebc9be0e6774fab12e29cb076edf0d3519",
-                    "nonce" : "0x56d657d60c4321b2",
+                    "hash" : "0x4e70bb4e76c2d43726d7403211a8d29a46cf67afe80e8c0a237e14fff9956508",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5e81d18881ddc94ddbcb843cb981aedbee0e3c58884a7c3aa27cb6cb89a111d0",
@@ -134,7 +243,7 @@
                     "transactionsTrie" : "0x6c56047bf6fe61a0b4a5f9664073fe8fb9c854adf4a46c1c35b223781372ed60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -171,7 +280,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc8448dc7d5485937b7928315100b445d59dff51479f37999359665d2704c3352",
+        "lastblockhash" : "0x4e70bb4e76c2d43726d7403211a8d29a46cf67afe80e8c0a237e14fff9956508",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -212,15 +321,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d2g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d2g3v0Filler.json",
-            "sourceHash" : "e3e0fe3f68ca2078e47103e591dde83d42c14a222dab0f442e282e25b306cbc0"
+            "sourceHash" : "2db359ce698a7d8b367352ff88c4245ae4a0d1e4a672224a96c3e6295a9a032c"
         },
         "blocks" : [
             {
@@ -231,9 +341,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xd1ca",
-                    "hash" : "0xf5cbc24a14cf42941cdeac1bdccce0a667e123ae9ae7630501d4490ba9f0d7c1",
-                    "mixHash" : "0x01d9cb50d715bcc64148219cf85465942c1af926da7f92baebef41016016227c",
-                    "nonce" : "0x48f0afd8b873df85",
+                    "hash" : "0x4e70bb4e76c2d43726d7403211a8d29a46cf67afe80e8c0a237e14fff9956508",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x5e81d18881ddc94ddbcb843cb981aedbee0e3c58884a7c3aa27cb6cb89a111d0",
@@ -242,7 +352,7 @@
                     "transactionsTrie" : "0x6c56047bf6fe61a0b4a5f9664073fe8fb9c854adf4a46c1c35b223781372ed60",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd",
@@ -279,7 +389,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf5cbc24a14cf42941cdeac1bdccce0a667e123ae9ae7630501d4490ba9f0d7c1",
+        "lastblockhash" : "0x4e70bb4e76c2d43726d7403211a8d29a46cf67afe80e8c0a237e14fff9956508",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -320,6 +430,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g0v0.json
index f6bd6174b..ecc7e93b2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d30g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g0v0Filler.json",
-            "sourceHash" : "65ceecd76b7c180a3c9399c9f8bc4f517fe95735d8c9272a4fb9b1e70d7215f5"
+            "sourceHash" : "d532f1769af722b8e2776c89d65b1b2f0af19b4e24bd0e3c3b43cc91668cc3e1"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0x2d8f133f636ea40061e8fa25d1180b006e1793d5f286090c9b25dc3627c33507",
-                    "mixHash" : "0x4e6a8071258399b6ec9fb05503b0058ef25c9f043e33102a45c15827ce7b6746",
-                    "nonce" : "0xf51a2579cb3b759b",
+                    "hash" : "0xda713f18e7fc6c8c725e248b9e88aa21f86af2a14167487d3a7fb3ec2ccff8a3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9aa250ff828888cda3906b79de65c4047947c7dc2d8413bd443c09f4c4f55c5d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf385cb21bdb4afdfd4dc23235862097b0ebe6da2e64e147ad8194e2361a22d7f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2d8f133f636ea40061e8fa25d1180b006e1793d5f286090c9b25dc3627c33507",
+        "lastblockhash" : "0xda713f18e7fc6c8c725e248b9e88aa21f86af2a14167487d3a7fb3ec2ccff8a3",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d30g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g0v0Filler.json",
+            "sourceHash" : "d532f1769af722b8e2776c89d65b1b2f0af19b4e24bd0e3c3b43cc91668cc3e1"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa604",
+                    "hash" : "0xa70a3a52a65ddef3c83f94427812262d38fb632e274f5636ae6b66720a7f3921",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0d42dcf45dcc4880730cb4f2ef85a293d6e2b232ec200d12b73fc7d28d77bbc9",
+                    "stateRoot" : "0x47c5612baa42dcca63b8df2536c30501a115ef65c494d7955c79188a90f0c29c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf385cb21bdb4afdfd4dc23235862097b0ebe6da2e64e147ad8194e2361a22d7f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf902c3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa047c5612baa42dcca63b8df2536c30501a115ef65c494d7955c79188a90f0c29ca0f385cb21bdb4afdfd4dc23235862097b0ebe6da2e64e147ad8194e2361a22d7fa00d42dcf45dcc4880730cb4f2ef85a293d6e2b232ec200d12b73fc7d28d77bbc9b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082a6048203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c4f8c280018405f5e10094100000000000000000000000000000000000000080b8600000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001ca0c0495d4edb5fc7a940ca20be5519cb479074628ab2529b6f72ae1d3e99974c52a0655c2be2839ebda91b8d1f8efb099035f469f992bee2f934a1d202d386cf0be8c0",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc0495d4edb5fc7a940ca20be5519cb479074628ab2529b6f72ae1d3e99974c52",
+                        "s" : "0x655c2be2839ebda91b8d1f8efb099035f469f992bee2f934a1d202d386cf0be8",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa70a3a52a65ddef3c83f94427812262d38fb632e274f5636ae6b66720a7f3921",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a604",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f59fc",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d30g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g0v0Filler.json",
-            "sourceHash" : "65ceecd76b7c180a3c9399c9f8bc4f517fe95735d8c9272a4fb9b1e70d7215f5"
+            "sourceHash" : "d532f1769af722b8e2776c89d65b1b2f0af19b4e24bd0e3c3b43cc91668cc3e1"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0xc2fd346bd89f8be6399e4410921ae2745ac43e97f0482e7cf59eaeb39dbb5636",
-                    "mixHash" : "0x81f8d8cf7a6fdde6fe9e370523b578b0b3f42c77e90d47a3af474a5b678353db",
-                    "nonce" : "0x804e102447155105",
+                    "hash" : "0xddfbafd1db0fccdfb74aad004133a1860773b572842351f4858cc0bdcbeeb49e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xf385cb21bdb4afdfd4dc23235862097b0ebe6da2e64e147ad8194e2361a22d7f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc2fd346bd89f8be6399e4410921ae2745ac43e97f0482e7cf59eaeb39dbb5636",
+        "lastblockhash" : "0xddfbafd1db0fccdfb74aad004133a1860773b572842351f4858cc0bdcbeeb49e",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d30g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g0v0Filler.json",
-            "sourceHash" : "65ceecd76b7c180a3c9399c9f8bc4f517fe95735d8c9272a4fb9b1e70d7215f5"
+            "sourceHash" : "d532f1769af722b8e2776c89d65b1b2f0af19b4e24bd0e3c3b43cc91668cc3e1"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0x086bdcde4f56a20eeb1748b672cadad3eab575f21b56001bb06b898791380253",
-                    "mixHash" : "0x8c0b4857e846f5439c51a5f557c86f3b9c9632e8d0819aca8fbd9e720c383cc4",
-                    "nonce" : "0x23730a8d373339ea",
+                    "hash" : "0xddfbafd1db0fccdfb74aad004133a1860773b572842351f4858cc0bdcbeeb49e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xf385cb21bdb4afdfd4dc23235862097b0ebe6da2e64e147ad8194e2361a22d7f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x086bdcde4f56a20eeb1748b672cadad3eab575f21b56001bb06b898791380253",
+        "lastblockhash" : "0xddfbafd1db0fccdfb74aad004133a1860773b572842351f4858cc0bdcbeeb49e",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g1v0.json
index d3b4c5d78..fc8d41310 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d30g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g1v0Filler.json",
-            "sourceHash" : "e160235ff4386326e19cebf3ec7e5c75f7af8c860a9ee1d200d25a2cbf2026f5"
+            "sourceHash" : "1dafe754d3a3dd18ff73992d3ae9d97a88fd79dc195a2730a3507c86627f0db3"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0xb6ec27b97d485894f94d6808c773c794087e60c9ef57de81f29921711ff44bd9",
-                    "mixHash" : "0x71e16e7b4901793fba0d6cb861a80f4d8a29e8b406fe84f5933d16c39a915d69",
-                    "nonce" : "0x29234426f643b029",
+                    "hash" : "0xd605cffc8889ef7a006ffc7cb93ca80f442b2546edbb5275019b85fec3ddcb90",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9aa250ff828888cda3906b79de65c4047947c7dc2d8413bd443c09f4c4f55c5d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe92b9fa316d34fd3c246e5b84c51dfea56383fd609b33e141361a1f5fdeec4a7",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb6ec27b97d485894f94d6808c773c794087e60c9ef57de81f29921711ff44bd9",
+        "lastblockhash" : "0xd605cffc8889ef7a006ffc7cb93ca80f442b2546edbb5275019b85fec3ddcb90",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d30g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g1v0Filler.json",
+            "sourceHash" : "1dafe754d3a3dd18ff73992d3ae9d97a88fd79dc195a2730a3507c86627f0db3"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa604",
+                    "hash" : "0x17cca9558f8406921a1097b8bfb9c67a6203ad1af09f1ebf7589e2d830145bff",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0d42dcf45dcc4880730cb4f2ef85a293d6e2b232ec200d12b73fc7d28d77bbc9",
+                    "stateRoot" : "0x47c5612baa42dcca63b8df2536c30501a115ef65c494d7955c79188a90f0c29c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xe92b9fa316d34fd3c246e5b84c51dfea56383fd609b33e141361a1f5fdeec4a7",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x9d989fd595d32b25f94519ce65ba7552857dafde284e5e8fb4c231bbe1f02568",
+                        "s" : "0x371621510cff37f282f923f3ba63e60c8460159e8f715bb2212c8ad9d9d457a5",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x17cca9558f8406921a1097b8bfb9c67a6203ad1af09f1ebf7589e2d830145bff",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a604",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f59fc",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d30g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g1v0Filler.json",
-            "sourceHash" : "e160235ff4386326e19cebf3ec7e5c75f7af8c860a9ee1d200d25a2cbf2026f5"
+            "sourceHash" : "1dafe754d3a3dd18ff73992d3ae9d97a88fd79dc195a2730a3507c86627f0db3"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0x14c7016c7eca609cd6208cc5fb615ff078299f0ed9fd376685b64c5e7dcd41ac",
-                    "mixHash" : "0x177093383641ea944173fc792ca1a8119c1689547a86020156c8a93b1e184239",
-                    "nonce" : "0xd9630fd75dca8f15",
+                    "hash" : "0xdc5d3e22db039ad3afe4acdf2739074618f4aaa9e57a1fb1e47bda757f2af6d4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xe92b9fa316d34fd3c246e5b84c51dfea56383fd609b33e141361a1f5fdeec4a7",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x14c7016c7eca609cd6208cc5fb615ff078299f0ed9fd376685b64c5e7dcd41ac",
+        "lastblockhash" : "0xdc5d3e22db039ad3afe4acdf2739074618f4aaa9e57a1fb1e47bda757f2af6d4",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d30g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g1v0Filler.json",
-            "sourceHash" : "e160235ff4386326e19cebf3ec7e5c75f7af8c860a9ee1d200d25a2cbf2026f5"
+            "sourceHash" : "1dafe754d3a3dd18ff73992d3ae9d97a88fd79dc195a2730a3507c86627f0db3"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0xf88febd3d026530418aff9e8bb146a96d9fa5c05c78e89ee060976adc0fd7d77",
-                    "mixHash" : "0x267bf60a2a3623aadc501e6e9d70c63508473e76f2bfd2ce1ec57063418a89fe",
-                    "nonce" : "0xc999927eb9a7ed97",
+                    "hash" : "0xdc5d3e22db039ad3afe4acdf2739074618f4aaa9e57a1fb1e47bda757f2af6d4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0xe92b9fa316d34fd3c246e5b84c51dfea56383fd609b33e141361a1f5fdeec4a7",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf88febd3d026530418aff9e8bb146a96d9fa5c05c78e89ee060976adc0fd7d77",
+        "lastblockhash" : "0xdc5d3e22db039ad3afe4acdf2739074618f4aaa9e57a1fb1e47bda757f2af6d4",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g2v0.json
index d04a3f1f8..b142b4386 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d30g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g2v0Filler.json",
-            "sourceHash" : "6f771919267069a1dd4f33b32dce7a7132eb66d9bd28ad0cc034a8e2b7e7d154"
+            "sourceHash" : "16af2d63ebc89a1039450a198fbb77d313ea25615c512e982f3aa536c60422b8"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0xe245419c54f2b0e9e158df3174458bad9fb701f888819bb695d1b829ab80ac71",
-                    "mixHash" : "0x9346f95fd0496dfe35b6d2e6420c072c08a6fbee734937ecfbf1d852ca0a48b2",
-                    "nonce" : "0xe9fa08741ce548a2",
+                    "hash" : "0x9334f5e727d1c43d846d69c928754db23122ae712438ce219d1cac9fb168dc43",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9aa250ff828888cda3906b79de65c4047947c7dc2d8413bd443c09f4c4f55c5d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6ad4463ae474345968300d03c1ecdf5335300b4298f70062d18191dac180edbf",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xe245419c54f2b0e9e158df3174458bad9fb701f888819bb695d1b829ab80ac71",
+        "lastblockhash" : "0x9334f5e727d1c43d846d69c928754db23122ae712438ce219d1cac9fb168dc43",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d30g2v0_Constantinople" : {
+        "_info" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g2v0Filler.json",
+            "sourceHash" : "16af2d63ebc89a1039450a198fbb77d313ea25615c512e982f3aa536c60422b8"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa604",
+                    "hash" : "0x55b9b5120ea1e14335c0a9b54178430362d87450cecb710bc7c083b230e042b0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                        "v" : "0x1b",
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+                "uncleHeaders" : [
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+            }
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+        "genesisBlockHeader" : {
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
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+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x55b9b5120ea1e14335c0a9b54178430362d87450cecb710bc7c083b230e042b0",
+        "network" : "Constantinople",
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+                "nonce" : "0x00",
+                "storage" : {
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+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a604",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f59fc",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d30g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g2v0Filler.json",
-            "sourceHash" : "6f771919267069a1dd4f33b32dce7a7132eb66d9bd28ad0cc034a8e2b7e7d154"
+            "sourceHash" : "16af2d63ebc89a1039450a198fbb77d313ea25615c512e982f3aa536c60422b8"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0xa79bac207196a9f6dc444e58ac98420b9d49812d20967ce3cf74350145d70057",
-                    "mixHash" : "0xdf33b5adb98e7e9ba6ec58064847166e821f00767152d0d41d26f31de1d6578b",
-                    "nonce" : "0xa9e5bfd8363089e2",
+                    "hash" : "0x26fa70465456941629d1ca576fd6fef7dad8050fceae837490598d3d3db3ffcd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x6ad4463ae474345968300d03c1ecdf5335300b4298f70062d18191dac180edbf",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xa79bac207196a9f6dc444e58ac98420b9d49812d20967ce3cf74350145d70057",
+        "lastblockhash" : "0x26fa70465456941629d1ca576fd6fef7dad8050fceae837490598d3d3db3ffcd",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d30g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g2v0Filler.json",
-            "sourceHash" : "6f771919267069a1dd4f33b32dce7a7132eb66d9bd28ad0cc034a8e2b7e7d154"
+            "sourceHash" : "16af2d63ebc89a1039450a198fbb77d313ea25615c512e982f3aa536c60422b8"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0xc93d13c37782955b04f47694b7b34bcf5e922a95880fd9e5b851be5266bd9a07",
-                    "mixHash" : "0xbfb397ef27020c5d7628a1d2addaf3d395a6c954014b299dc158c3ac48b89ab5",
-                    "nonce" : "0x518ee39147980342",
+                    "hash" : "0x26fa70465456941629d1ca576fd6fef7dad8050fceae837490598d3d3db3ffcd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38",
@@ -243,7 +354,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc93d13c37782955b04f47694b7b34bcf5e922a95880fd9e5b851be5266bd9a07",
+        "lastblockhash" : "0x26fa70465456941629d1ca576fd6fef7dad8050fceae837490598d3d3db3ffcd",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g3v0.json
index 7212001af..6f554add3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d30g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d30g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g3v0Filler.json",
-            "sourceHash" : "7a95c65e108be826c081701306de36054963110cf4d7cf6da09a90a5823149b3"
+            "sourceHash" : "469ce0ccda8f5120296051658ed06d7d628bc735a1660e152ce3e91dbdc6c675"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0xd7562a8da600d481170816777cd36fed32c0ab80d23e2d2816e228f33072e806",
-                    "mixHash" : "0x6da2255cd5e27d02977b4b2b7f78960f78bc8349017fb862d2b8568b80b293f1",
-                    "nonce" : "0x11667ef66f8801d6",
+                    "hash" : "0x32dd2fb1a31a8695f194223c82b2b1984be8ee916f7fd3e8542dfdf206322461",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9aa250ff828888cda3906b79de65c4047947c7dc2d8413bd443c09f4c4f55c5d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7fe75daf49a34f6d100757083ceead5baa07b0eda2bce05f319206ffd88bf60c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd7562a8da600d481170816777cd36fed32c0ab80d23e2d2816e228f33072e806",
+        "lastblockhash" : "0x32dd2fb1a31a8695f194223c82b2b1984be8ee916f7fd3e8542dfdf206322461",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d30g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g3v0Filler.json",
+            "sourceHash" : "469ce0ccda8f5120296051658ed06d7d628bc735a1660e152ce3e91dbdc6c675"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa604",
+                    "hash" : "0x16e4ba417af2b88d865d0b21381f8d0b9c243dc97e25ba83dd2b5ac9ef969f08",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0d42dcf45dcc4880730cb4f2ef85a293d6e2b232ec200d12b73fc7d28d77bbc9",
+                    "stateRoot" : "0x47c5612baa42dcca63b8df2536c30501a115ef65c494d7955c79188a90f0c29c",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7fe75daf49a34f6d100757083ceead5baa07b0eda2bce05f319206ffd88bf60c",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x5a472bb8260760053e5b6e6b6037695d5087cc5082abe02d7974b90daf9c5216",
+                        "s" : "0x412a22483f66c69586e32efaa0b46518df39a35f66a665d987f7216f1014b6e5",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x16e4ba417af2b88d865d0b21381f8d0b9c243dc97e25ba83dd2b5ac9ef969f08",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a604",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f59fc",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d30g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g3v0Filler.json",
-            "sourceHash" : "7a95c65e108be826c081701306de36054963110cf4d7cf6da09a90a5823149b3"
+            "sourceHash" : "469ce0ccda8f5120296051658ed06d7d628bc735a1660e152ce3e91dbdc6c675"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0xa0b64aee3a6ab31de636ae310ab595547de91203ca10939c17ef5cd2f6f4b9ec",
-                    "mixHash" : "0xe5749116ee9a0e5d8e2ac0f2cbfa172760f44bf1d94f9b56275a1975bc0b0f08",
-                    "nonce" : "0x895c527c005c2b9d",
+                    "hash" : "0xec1d3db3b7e8e8abe8166ee42630c1ce21e99f827f68851806455e4df6b25837",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x7fe75daf49a34f6d100757083ceead5baa07b0eda2bce05f319206ffd88bf60c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c2f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa081d45ff5cea4806ee7a0a03ff1e3e385e5e255eaa75ad327a8511e1ddcb40fb2a07fe75daf49a34f6d100757083ceead5baa07b0eda2bce05f319206ffd88bf60ca04abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b8c48203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c3f8c1800183030d4094100000000000000000000000000000000000000080b8600000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001ba05a472bb8260760053e5b6e6b6037695d5087cc5082abe02d7974b90daf9c5216a0412a22483f66c69586e32efaa0b46518df39a35f66a665d987f7216f1014b6e5c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa0b64aee3a6ab31de636ae310ab595547de91203ca10939c17ef5cd2f6f4b9ec",
+        "lastblockhash" : "0xec1d3db3b7e8e8abe8166ee42630c1ce21e99f827f68851806455e4df6b25837",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d30g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d30g3v0Filler.json",
-            "sourceHash" : "7a95c65e108be826c081701306de36054963110cf4d7cf6da09a90a5823149b3"
+            "sourceHash" : "469ce0ccda8f5120296051658ed06d7d628bc735a1660e152ce3e91dbdc6c675"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb8c4",
-                    "hash" : "0x5acfd2b91e43501b32670637bfcbf778242e66dd361cc6a4e7d7fd4a8152896d",
-                    "mixHash" : "0xa7a769e3d5da482a0fe10aa9da15c809b379cbcab38cf4525843acd42284bad5",
-                    "nonce" : "0x42af213fc11b3ac6",
+                    "hash" : "0xec1d3db3b7e8e8abe8166ee42630c1ce21e99f827f68851806455e4df6b25837",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4abf9037efc2891a9a9be618572b9c19bef8475ad480f9356fa6c9df87227a38",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x7fe75daf49a34f6d100757083ceead5baa07b0eda2bce05f319206ffd88bf60c",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x5acfd2b91e43501b32670637bfcbf778242e66dd361cc6a4e7d7fd4a8152896d",
+        "lastblockhash" : "0xec1d3db3b7e8e8abe8166ee42630c1ce21e99f827f68851806455e4df6b25837",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g0v0.json
index 79d5496f4..91bba7578 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d31g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g0v0Filler.json",
-            "sourceHash" : "33a20ff13eb72e99f4337626e85d58068f31057f686eb5f9b62b55689a90cd5d"
+            "sourceHash" : "2fc48ec32b70525d02630aa7becd9f7c660fcc80f7872678e25aca8fae9bd421"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x011fec",
-                    "hash" : "0xe42d8704b129e5d3c15355aeaffa89412922f2342a87b33469d6e5b8a6ec8228",
-                    "mixHash" : "0x3ab7e9150e410d6c4325356c8a934afb1750cc7eddd047f7159ea9779e3252f3",
-                    "nonce" : "0x1d7d1d84d467eeda",
+                    "hash" : "0x3f22427fce077f37472f3f25c656bd081360d248d93d75e65b296e793521f5c8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16ac",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbb4d9d96f54ad986ba385e677552cdb79c5080a7dad26627e45b4f6ca6a784dd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90307f901faa070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa07ffd5270c9524243b412347859a9c8180005c5d7c7453166b64ff28137a73df9a0bb4d9d96f54ad986ba385e677552cdb79c5080a7dad26627e45b4f6ca6a784dda0ba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16acb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40083011fec8203e880a03ab7e9150e410d6c4325356c8a934afb1750cc7eddd047f7159ea9779e3252f3881d7d1d84d467eedaf90106f9010380018405f5e10094100000000000000000000000000000000000000080b8a1000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c373511ca0c7722626b8e7a1157ac5b6aabdd2eedaa9bc61f3bcac625f63723f40d5e075aaa078452359e76003c2c1adc0ef9cf7fabdafd642e737377b36cf222936606d1899c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe42d8704b129e5d3c15355aeaffa89412922f2342a87b33469d6e5b8a6ec8228",
+        "lastblockhash" : "0x3f22427fce077f37472f3f25c656bd081360d248d93d75e65b296e793521f5c8",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d31g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g0v0Filler.json",
+            "sourceHash" : "2fc48ec32b70525d02630aa7becd9f7c660fcc80f7872678e25aca8fae9bd421"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x011fec",
+                    "hash" : "0x7d69c5ba1c305c07e670d2568f8be67c8ca12379f53f89bc14d86726f668614b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16ac",
+                    "stateRoot" : "0x2ec2b04341e1089cef66361f77475890dbb34df23013a6735ecc7956e9507850",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xbb4d9d96f54ad986ba385e677552cdb79c5080a7dad26627e45b4f6ca6a784dd",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc7722626b8e7a1157ac5b6aabdd2eedaa9bc61f3bcac625f63723f40d5e075aa",
+                        "s" : "0x78452359e76003c2c1adc0ef9cf7fabdafd642e737377b36cf222936606d1899",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x7d69c5ba1c305c07e670d2568f8be67c8ca12379f53f89bc14d86726f668614b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec91fec",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ee014",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d31g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g0v0Filler.json",
-            "sourceHash" : "33a20ff13eb72e99f4337626e85d58068f31057f686eb5f9b62b55689a90cd5d"
+            "sourceHash" : "2fc48ec32b70525d02630aa7becd9f7c660fcc80f7872678e25aca8fae9bd421"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca51",
-                    "hash" : "0x2b18a8090b69053bfd147069cd7c34310896c9c7df7763ac2b34086510e0abc1",
-                    "mixHash" : "0x5369519f02554f2889ec50d1718209bd557e9daec6055240202bba64142a7cd0",
-                    "nonce" : "0xbed07a44ffccc5ca",
+                    "hash" : "0x96b66799be4abd9eccd6e2cb512291e79b09acb523e6e08e71c3b8f27c736d49",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9de75ec0416876e5e089f1a4afe7f3d00bc111d14e09de0b29f20771bdfbabd",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xbb4d9d96f54ad986ba385e677552cdb79c5080a7dad26627e45b4f6ca6a784dd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x2b18a8090b69053bfd147069cd7c34310896c9c7df7763ac2b34086510e0abc1",
+        "lastblockhash" : "0x96b66799be4abd9eccd6e2cb512291e79b09acb523e6e08e71c3b8f27c736d49",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d31g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g0v0Filler.json",
-            "sourceHash" : "33a20ff13eb72e99f4337626e85d58068f31057f686eb5f9b62b55689a90cd5d"
+            "sourceHash" : "2fc48ec32b70525d02630aa7becd9f7c660fcc80f7872678e25aca8fae9bd421"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca51",
-                    "hash" : "0x4c30f9bf4dc7d27b7906b7b29321fa2231ec9422299ba28da37dddc39a41e91e",
-                    "mixHash" : "0x6051245b0a4464aabc9fc39319800c2adb5bd87b0345e8b5d1721b4975acd5f6",
-                    "nonce" : "0x7e09f1d94de8d728",
+                    "hash" : "0x96b66799be4abd9eccd6e2cb512291e79b09acb523e6e08e71c3b8f27c736d49",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9de75ec0416876e5e089f1a4afe7f3d00bc111d14e09de0b29f20771bdfbabd",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xbb4d9d96f54ad986ba385e677552cdb79c5080a7dad26627e45b4f6ca6a784dd",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4c30f9bf4dc7d27b7906b7b29321fa2231ec9422299ba28da37dddc39a41e91e",
+        "lastblockhash" : "0x96b66799be4abd9eccd6e2cb512291e79b09acb523e6e08e71c3b8f27c736d49",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g1v0.json
index 0218d6222..4bbe26f5e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d31g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g1v0Filler.json",
-            "sourceHash" : "10a80c41b93e00a78f0272be98ac6cd5ecfca3a5fd133fe7dee46d25c477d193"
+            "sourceHash" : "671790224fe809b39464ec949aa3f259f953ef10ef726603a641c4bc8b9dfdbd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x011fec",
-                    "hash" : "0x20b071c0f6bbdf2a5822f334ee2317e058a2bf22b29014a7f0308f2d51a2bac4",
-                    "mixHash" : "0xad17891c1da62820af1ab5edfa5c317bbb8b17b4bbd2051c025f91c4ab687107",
-                    "nonce" : "0xbfcc595cb0799bd8",
+                    "hash" : "0xcb2c4159653bceb9d70e630d5693e0c510c0cbe4f4b589764c01cde403f2ee0f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16ac",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x4ae0add409869066e03177eb2f6e67af8710ab837a81be6403fb4e32aa4573eb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf90306f901faa070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa07ffd5270c9524243b412347859a9c8180005c5d7c7453166b64ff28137a73df9a04ae0add409869066e03177eb2f6e67af8710ab837a81be6403fb4e32aa4573eba0ba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16acb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40083011fec8203e880a0ad17891c1da62820af1ab5edfa5c317bbb8b17b4bbd2051c025f91c4ab68710788bfcc595cb0799bd8f90105f90102800183015f9094100000000000000000000000000000000000000080b8a1000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c373511ca065ef99a64b32ceab03052d483d3dbe82410bb4fbae455fed6cd040aa3ff6bdeba07f043ab099cb17b5a639b26f5ad8b5fdbed8b929ec14c5612617eb6046f96b3cc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x20b071c0f6bbdf2a5822f334ee2317e058a2bf22b29014a7f0308f2d51a2bac4",
+        "lastblockhash" : "0xcb2c4159653bceb9d70e630d5693e0c510c0cbe4f4b589764c01cde403f2ee0f",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d31g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g1v0Filler.json",
+            "sourceHash" : "671790224fe809b39464ec949aa3f259f953ef10ef726603a641c4bc8b9dfdbd"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x011fec",
+                    "hash" : "0x10d3aec28868a6e87882c4d2915475485bd4cc4ca0769c55ba98a2e65a63d710",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16ac",
+                    "stateRoot" : "0x2ec2b04341e1089cef66361f77475890dbb34df23013a6735ecc7956e9507850",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x4ae0add409869066e03177eb2f6e67af8710ab837a81be6403fb4e32aa4573eb",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x65ef99a64b32ceab03052d483d3dbe82410bb4fbae455fed6cd040aa3ff6bdeb",
+                        "s" : "0x7f043ab099cb17b5a639b26f5ad8b5fdbed8b929ec14c5612617eb6046f96b3c",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x10d3aec28868a6e87882c4d2915475485bd4cc4ca0769c55ba98a2e65a63d710",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec91fec",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ee014",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d31g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g1v0Filler.json",
-            "sourceHash" : "10a80c41b93e00a78f0272be98ac6cd5ecfca3a5fd133fe7dee46d25c477d193"
+            "sourceHash" : "671790224fe809b39464ec949aa3f259f953ef10ef726603a641c4bc8b9dfdbd"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca51",
-                    "hash" : "0x2a448782b1fc31f04f90c5d1ff2779f89e6e17e19cd20cc60a89cc31e989156f",
-                    "mixHash" : "0xccd3c2ab7dd050c4dde709eed5e8bc48d4777ebf318b0bb8ab05dd053a91adf9",
-                    "nonce" : "0x5d6f331bc1b04d81",
+                    "hash" : "0x16600f5d7ccce2421df0d6c8462f0baa5584cff612dffb9cc9dfbb67b765ee53",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9de75ec0416876e5e089f1a4afe7f3d00bc111d14e09de0b29f20771bdfbabd",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x4ae0add409869066e03177eb2f6e67af8710ab837a81be6403fb4e32aa4573eb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2a448782b1fc31f04f90c5d1ff2779f89e6e17e19cd20cc60a89cc31e989156f",
+        "lastblockhash" : "0x16600f5d7ccce2421df0d6c8462f0baa5584cff612dffb9cc9dfbb67b765ee53",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d31g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g1v0Filler.json",
-            "sourceHash" : "10a80c41b93e00a78f0272be98ac6cd5ecfca3a5fd133fe7dee46d25c477d193"
+            "sourceHash" : "671790224fe809b39464ec949aa3f259f953ef10ef726603a641c4bc8b9dfdbd"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca51",
-                    "hash" : "0x6ce224d7455227983e12263f5c3a735692974afab9da1826f7dc8a1b2a620947",
-                    "mixHash" : "0xd78e93937dc85cc969aae2e958cdddcb1af8b4003d42fed494a3249f8328d1be",
-                    "nonce" : "0xf26b9424aae79be1",
+                    "hash" : "0x16600f5d7ccce2421df0d6c8462f0baa5584cff612dffb9cc9dfbb67b765ee53",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9de75ec0416876e5e089f1a4afe7f3d00bc111d14e09de0b29f20771bdfbabd",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x4ae0add409869066e03177eb2f6e67af8710ab837a81be6403fb4e32aa4573eb",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6ce224d7455227983e12263f5c3a735692974afab9da1826f7dc8a1b2a620947",
+        "lastblockhash" : "0x16600f5d7ccce2421df0d6c8462f0baa5584cff612dffb9cc9dfbb67b765ee53",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g2v0.json
index 99ce3339d..b3e8d6d14 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d31g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g2v0Filler.json",
-            "sourceHash" : "072c4342308900058338b9b6d54db8dc11c5a353499f8b5a93f1cbcbb822d75c"
+            "sourceHash" : "1c2f82626289a05b3c0477887d0c80c3d84e41a0c6ca4651301b0ecaac28db99"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x011fec",
-                    "hash" : "0x17e6952c186e063392e07de0ba644ae3a09d0994f4248222a143925812fbed13",
-                    "mixHash" : "0x3d858f8b314257fe0f7d79b9506c67209096012023de7c6041545359e00e8db7",
-                    "nonce" : "0xdf44d51e0ee8aa77",
+                    "hash" : "0xd02dc92741636acdbeb9a3f1fdd2772eef1e763960af3d6806d3da8c5cf7d767",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16ac",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf94d60805a84b3af58f904fe8934d4d0f095bf1b40ee568e4244dcba863e8095",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x17e6952c186e063392e07de0ba644ae3a09d0994f4248222a143925812fbed13",
+        "lastblockhash" : "0xd02dc92741636acdbeb9a3f1fdd2772eef1e763960af3d6806d3da8c5cf7d767",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d31g2v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                "uncleHeaders" : [
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+            "nonce" : "0x0102030405060708",
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+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+        "lastblockhash" : "0xb11cd1e042fb521d5065fa6f5ff03e7ed69afc2344754d756e29eb8cbd9f12e0",
+        "network" : "Constantinople",
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+                "nonce" : "0x00",
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec91fec",
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+                "nonce" : "0x00",
+                "storage" : {
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+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ee014",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
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+            "0x1000000000000000000000000000000000000000" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d31g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g2v0Filler.json",
-            "sourceHash" : "072c4342308900058338b9b6d54db8dc11c5a353499f8b5a93f1cbcbb822d75c"
+            "sourceHash" : "1c2f82626289a05b3c0477887d0c80c3d84e41a0c6ca4651301b0ecaac28db99"
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         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca51",
-                    "hash" : "0x165aa09fa7cb9194774d4dc97156eeeb0fcd832c944b5a617b28e25db256ece1",
-                    "mixHash" : "0x8ce494b76c6ec11db335a09a6bb1715b70ea96866047386f03933483e044d363",
-                    "nonce" : "0xa894d16a724f0f38",
+                    "hash" : "0xa3ff7b6b2f4c7258b048cd3321537a84ea78b215144611e20172a3e969fe62a2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9de75ec0416876e5e089f1a4afe7f3d00bc111d14e09de0b29f20771bdfbabd",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xf94d60805a84b3af58f904fe8934d4d0f095bf1b40ee568e4244dcba863e8095",
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+                "rlp" : "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",
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x165aa09fa7cb9194774d4dc97156eeeb0fcd832c944b5a617b28e25db256ece1",
+        "lastblockhash" : "0xa3ff7b6b2f4c7258b048cd3321537a84ea78b215144611e20172a3e969fe62a2",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d31g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g2v0Filler.json",
-            "sourceHash" : "072c4342308900058338b9b6d54db8dc11c5a353499f8b5a93f1cbcbb822d75c"
+            "sourceHash" : "1c2f82626289a05b3c0477887d0c80c3d84e41a0c6ca4651301b0ecaac28db99"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca51",
-                    "hash" : "0xd82a8ea53700d5b4a5fd4aa40197924793b334277da011aa9f3fc42231f1fb4d",
-                    "mixHash" : "0xdd9f7d13276e2f5b4fd63f3502e4b0b6f1025400257087a2ad3b8aa566f8cd74",
-                    "nonce" : "0x95705ce861a57b9c",
+                    "hash" : "0xa3ff7b6b2f4c7258b048cd3321537a84ea78b215144611e20172a3e969fe62a2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9de75ec0416876e5e089f1a4afe7f3d00bc111d14e09de0b29f20771bdfbabd",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xf94d60805a84b3af58f904fe8934d4d0f095bf1b40ee568e4244dcba863e8095",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd82a8ea53700d5b4a5fd4aa40197924793b334277da011aa9f3fc42231f1fb4d",
+        "lastblockhash" : "0xa3ff7b6b2f4c7258b048cd3321537a84ea78b215144611e20172a3e969fe62a2",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g3v0.json
index 54bd9dddb..ee900c69d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d31g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d31g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g3v0Filler.json",
-            "sourceHash" : "fa845552313f76f07f623ac5b7fe7bef106ee9e2a74806feb0e0759c251da4ac"
+            "sourceHash" : "e862cec6aedd164b20a587994f8dcb064624a014b1220718f194dc458915c104"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x011fec",
-                    "hash" : "0x6c3d16464b5a639bf5014dc5a172961146f3137bab6b275f3276748e4ddc6fc3",
-                    "mixHash" : "0x789b9ee9e78cee574ef4df773443c37b2d13808e542d10df6a469dde8d62d6e3",
-                    "nonce" : "0xb2eb41f52d5ae4b6",
+                    "hash" : "0x3394e3e6d50f0f72ae86a9f8338375ab6794f06bf2ec02c105838dd6c1fd8a65",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16ac",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd4a89c4206f0cb691192d7ffda9db569907f81e4992986f8b72613f9f5b984ff",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6c3d16464b5a639bf5014dc5a172961146f3137bab6b275f3276748e4ddc6fc3",
+        "lastblockhash" : "0x3394e3e6d50f0f72ae86a9f8338375ab6794f06bf2ec02c105838dd6c1fd8a65",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d31g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g3v0Filler.json",
+            "sourceHash" : "e862cec6aedd164b20a587994f8dcb064624a014b1220718f194dc458915c104"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x011fec",
+                    "hash" : "0xa2093be10a68ff8acfea2e6a7901e6f02a47deca4db4a7fde5611ef86eea2eff",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xba529b6b864f9020981b50fd923f9de453a87f06d367dde2e5a44c1f7cef16ac",
+                    "stateRoot" : "0x2ec2b04341e1089cef66361f77475890dbb34df23013a6735ecc7956e9507850",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xd4a89c4206f0cb691192d7ffda9db569907f81e4992986f8b72613f9f5b984ff",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x42012c64148500d5c5b62148163b65e295713686ce0de740b002bbcdb3834608",
+                        "s" : "0x71e6e12dc164d1acf5a6f8efb0d3457086a8a9e0f44ec7bac9b5753f81361b54",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa2093be10a68ff8acfea2e6a7901e6f02a47deca4db4a7fde5611ef86eea2eff",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec91fec",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ee014",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d31g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g3v0Filler.json",
-            "sourceHash" : "fa845552313f76f07f623ac5b7fe7bef106ee9e2a74806feb0e0759c251da4ac"
+            "sourceHash" : "e862cec6aedd164b20a587994f8dcb064624a014b1220718f194dc458915c104"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca51",
-                    "hash" : "0xb0146601d262988d4863e56de88258bd8a943f3a68db233963e830bf81a128e9",
-                    "mixHash" : "0x74fd7884ffc46532c7778e0757ca122dfaff80466ecc04bda3e2295525df7bd2",
-                    "nonce" : "0xf341d2a9fd0a622c",
+                    "hash" : "0x1c93e000e0b91c8751371d8d16ac1aa5ea41394ebd11d54aca094016b0bb4422",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9de75ec0416876e5e089f1a4afe7f3d00bc111d14e09de0b29f20771bdfbabd",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xd4a89c4206f0cb691192d7ffda9db569907f81e4992986f8b72613f9f5b984ff",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb0146601d262988d4863e56de88258bd8a943f3a68db233963e830bf81a128e9",
+        "lastblockhash" : "0x1c93e000e0b91c8751371d8d16ac1aa5ea41394ebd11d54aca094016b0bb4422",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d31g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d31g3v0Filler.json",
-            "sourceHash" : "fa845552313f76f07f623ac5b7fe7bef106ee9e2a74806feb0e0759c251da4ac"
+            "sourceHash" : "e862cec6aedd164b20a587994f8dcb064624a014b1220718f194dc458915c104"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xca51",
-                    "hash" : "0x69441242ea6c55d1e91a9abe8bc4394eab23f4dd4dba72c7db60ad045bb46842",
-                    "mixHash" : "0xac55db8531a4ef816951e9206e32472fdaf845fa6e16cbb6478d32a907534e3a",
-                    "nonce" : "0x0e0c43c0deaea6cf",
+                    "hash" : "0x1c93e000e0b91c8751371d8d16ac1aa5ea41394ebd11d54aca094016b0bb4422",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc9de75ec0416876e5e089f1a4afe7f3d00bc111d14e09de0b29f20771bdfbabd",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xd4a89c4206f0cb691192d7ffda9db569907f81e4992986f8b72613f9f5b984ff",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000002100000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010035ee4e488f45e64d2f07becd54646357381d32f30b74c299a8c25d5202c04938ef6c4764a04f10fc908b78c4486886000f6d290251a79681a83b950c7e5c37351",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x69441242ea6c55d1e91a9abe8bc4394eab23f4dd4dba72c7db60ad045bb46842",
+        "lastblockhash" : "0x1c93e000e0b91c8751371d8d16ac1aa5ea41394ebd11d54aca094016b0bb4422",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g0v0.json
index b9ca338c5..958c87155 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d32g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g0v0Filler.json",
-            "sourceHash" : "933ed96856bfc49616e06f97c67eb0090b0b066318aad9fc9db98401e8b88013"
+            "sourceHash" : "d1d133e6c7f710f46d39bf0b390ec550f5fc259eafd51f1c2400f1156af1065d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfe30",
-                    "hash" : "0xba898b311132e8699df747f414c0c94ea77163357e5c71e58ee82dbb819444fe",
-                    "mixHash" : "0x098d27d31601ad64d81d7f99bd66e46311e77e9570cc97ba98cfb8d39d1fb6fa",
-                    "nonce" : "0x7130664811e27950",
+                    "hash" : "0xfb19c93e9292b9857497513f60c38024412b0b6c28687cfe891db6058005f7be",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x536315b2b85bfa9fe121eef8e00cdf5a5811c248dd2bc6397fc669981fabbacb",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6dc4efdbaa0e2a431da9b3bc4252ccb2e37e7d39b6a52cfacf4692f198d87584",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xba898b311132e8699df747f414c0c94ea77163357e5c71e58ee82dbb819444fe",
+        "lastblockhash" : "0xfb19c93e9292b9857497513f60c38024412b0b6c28687cfe891db6058005f7be",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d32g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g0v0Filler.json",
+            "sourceHash" : "d1d133e6c7f710f46d39bf0b390ec550f5fc259eafd51f1c2400f1156af1065d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xfe30",
+                    "hash" : "0x286e91de320d5f64b623667be0490c4be0f9db2b86348e69a5103aa7531cc12c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x536315b2b85bfa9fe121eef8e00cdf5a5811c248dd2bc6397fc669981fabbacb",
+                    "stateRoot" : "0xf55557420ffcd9fd3a9fd31a82f016ce252dab5589216125c9947a3bee1bfbbb",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6dc4efdbaa0e2a431da9b3bc4252ccb2e37e7d39b6a52cfacf4692f198d87584",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x1fd5930ef8e70b09322c117303baca91ceccdaedf7f16a270155f3c40d1be212",
+                        "s" : "0x41027b3ff67166446b6eae6f8a2598665dd0eba5ed626bdf8e375bab30f8de30",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x286e91de320d5f64b623667be0490c4be0f9db2b86348e69a5103aa7531cc12c",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8fe30",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f01d0",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d32g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g0v0Filler.json",
-            "sourceHash" : "933ed96856bfc49616e06f97c67eb0090b0b066318aad9fc9db98401e8b88013"
+            "sourceHash" : "d1d133e6c7f710f46d39bf0b390ec550f5fc259eafd51f1c2400f1156af1065d"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc0fb",
-                    "hash" : "0x889d55484c14e6752295e421629c2ec9e04d566ae0051c192e2d04b7e47dfa87",
-                    "mixHash" : "0x65d40e06ccca69a9bb2d4f0462575ad9eec93b29e26f57f282576ac6551f6bb7",
-                    "nonce" : "0xfe59cd700af44726",
+                    "hash" : "0x21edf294a417f9383d31c1c3a466e812972027860295020a5f0694e0d1c0679f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x6dc4efdbaa0e2a431da9b3bc4252ccb2e37e7d39b6a52cfacf4692f198d87584",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x889d55484c14e6752295e421629c2ec9e04d566ae0051c192e2d04b7e47dfa87",
+        "lastblockhash" : "0x21edf294a417f9383d31c1c3a466e812972027860295020a5f0694e0d1c0679f",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d32g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g0v0Filler.json",
-            "sourceHash" : "933ed96856bfc49616e06f97c67eb0090b0b066318aad9fc9db98401e8b88013"
+            "sourceHash" : "d1d133e6c7f710f46d39bf0b390ec550f5fc259eafd51f1c2400f1156af1065d"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc0fb",
-                    "hash" : "0xfc587dfe9a5be4ff4356aed689b8d6880faa56b6f84f3d8e95e093fcf9329ef8",
-                    "mixHash" : "0x50f6e7a084dbe4d7e16636a88b172935fcd40dc74c0161bc5fd038c4060aedf8",
-                    "nonce" : "0xb3a43aded2c87c28",
+                    "hash" : "0x21edf294a417f9383d31c1c3a466e812972027860295020a5f0694e0d1c0679f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x6dc4efdbaa0e2a431da9b3bc4252ccb2e37e7d39b6a52cfacf4692f198d87584",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0xfc587dfe9a5be4ff4356aed689b8d6880faa56b6f84f3d8e95e093fcf9329ef8",
+        "lastblockhash" : "0x21edf294a417f9383d31c1c3a466e812972027860295020a5f0694e0d1c0679f",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g1v0.json
index 2fed083f0..095f19b87 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d32g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g1v0Filler.json",
-            "sourceHash" : "24dc4875cea2b877ae6ead4c57f8c3f54e043700616c6535b31564c0e3a3cca3"
+            "sourceHash" : "9fef9d5dc27c58b51f7f9c031026d2a766fa59c985585cf8ced4efc509412eaa"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfe30",
-                    "hash" : "0x8b390af0387cf63677354e590653a5c5661c8ac781de86f93457bacb149fe219",
-                    "mixHash" : "0xc1b4d9d42065d795e277de796959fa73360100595c201759c710611010bbe363",
-                    "nonce" : "0x55c2615a358b6128",
+                    "hash" : "0xc0ddbafa18b8aa2eaecae593b953dfda26ab6c494a014b03bf14ab97510175f2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x536315b2b85bfa9fe121eef8e00cdf5a5811c248dd2bc6397fc669981fabbacb",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x62b66c05137a7ba59762406db8f8fbaed866778651b1c7b788916654e5984491",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8b390af0387cf63677354e590653a5c5661c8ac781de86f93457bacb149fe219",
+        "lastblockhash" : "0xc0ddbafa18b8aa2eaecae593b953dfda26ab6c494a014b03bf14ab97510175f2",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d32g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g1v0Filler.json",
+            "sourceHash" : "9fef9d5dc27c58b51f7f9c031026d2a766fa59c985585cf8ced4efc509412eaa"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xfe30",
+                    "hash" : "0x852a1d45b68f4418ec80eb2d6b507d18862d7ed3e6b67262c325d78cd8a5c8b4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x536315b2b85bfa9fe121eef8e00cdf5a5811c248dd2bc6397fc669981fabbacb",
+                    "stateRoot" : "0xf55557420ffcd9fd3a9fd31a82f016ce252dab5589216125c9947a3bee1bfbbb",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x62b66c05137a7ba59762406db8f8fbaed866778651b1c7b788916654e5984491",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x4e7832772c8ce4be2d35a0f416c7a4bec0cb9658565723f2972c413fccf5484b",
+                        "s" : "0x668916ba9e0ec86860fd51a9903badcbd92bb99013e16c79c2f544b5e0f4d66b",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x852a1d45b68f4418ec80eb2d6b507d18862d7ed3e6b67262c325d78cd8a5c8b4",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8fe30",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f01d0",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d32g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g1v0Filler.json",
-            "sourceHash" : "24dc4875cea2b877ae6ead4c57f8c3f54e043700616c6535b31564c0e3a3cca3"
+            "sourceHash" : "9fef9d5dc27c58b51f7f9c031026d2a766fa59c985585cf8ced4efc509412eaa"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc0fb",
-                    "hash" : "0x1f149baf1610f0bb88cc76a902deafbc34bb218a28196ba265e3bb470b202fd6",
-                    "mixHash" : "0x4d4f71ebffa028f5662b38f8dde4640511201954141a56f259923fd2765794b8",
-                    "nonce" : "0xcd1b27e98f011a6f",
+                    "hash" : "0xf33dba122b936da39a78cb23f7c38626d02810fa2cb901e38a15d80dcb05d389",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x62b66c05137a7ba59762406db8f8fbaed866778651b1c7b788916654e5984491",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902dff901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa02aa2f83869b0416ede62380b7a0ebcfe065a1abe863fdd76af4af48e2e5dff45a062b66c05137a7ba59762406db8f8fbaed866778651b1c7b788916654e5984491a0138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082c0fb8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8e0f8de800183015f9094100000000000000000000000000000000000000080b87d0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb1ca04e7832772c8ce4be2d35a0f416c7a4bec0cb9658565723f2972c413fccf5484ba0668916ba9e0ec86860fd51a9903badcbd92bb99013e16c79c2f544b5e0f4d66bc0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x1f149baf1610f0bb88cc76a902deafbc34bb218a28196ba265e3bb470b202fd6",
+        "lastblockhash" : "0xf33dba122b936da39a78cb23f7c38626d02810fa2cb901e38a15d80dcb05d389",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d32g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g1v0Filler.json",
-            "sourceHash" : "24dc4875cea2b877ae6ead4c57f8c3f54e043700616c6535b31564c0e3a3cca3"
+            "sourceHash" : "9fef9d5dc27c58b51f7f9c031026d2a766fa59c985585cf8ced4efc509412eaa"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc0fb",
-                    "hash" : "0x1c6350ef6cae0ca0c0957f02f8abb2e3ce854d09765f2bee85ec1f32918dca93",
-                    "mixHash" : "0x87594a06d5324214bbff0e8246c5151e38647de39cd9cb5c3996145405cdf910",
-                    "nonce" : "0x5b93ffd58bc4068f",
+                    "hash" : "0xf33dba122b936da39a78cb23f7c38626d02810fa2cb901e38a15d80dcb05d389",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x62b66c05137a7ba59762406db8f8fbaed866778651b1c7b788916654e5984491",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1c6350ef6cae0ca0c0957f02f8abb2e3ce854d09765f2bee85ec1f32918dca93",
+        "lastblockhash" : "0xf33dba122b936da39a78cb23f7c38626d02810fa2cb901e38a15d80dcb05d389",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g2v0.json
index 899575a60..d97707dbf 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d32g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g2v0Filler.json",
-            "sourceHash" : "de946cce6383ffadde3390b1983475b199ee6d34fd078a66f8f23dd8069c7ca2"
+            "sourceHash" : "00ff0065ad07e7761c8037843cced853aa6aff8011c709c1ca197d283db0da02"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfe30",
-                    "hash" : "0x2da85957092f03a4a9f5cf046de7cbd77a5e64bd3f7d1fe0a54abbeaf05a2f96",
-                    "mixHash" : "0x89479c7016e6cecd9cfbe3ea172c21c008f8dd5e2dfb33ad3f35b1fb9276ed39",
-                    "nonce" : "0x0f9b703316da1730",
+                    "hash" : "0xac0a63b7d265e2facbf166e23128934e7a99635ebe8d5bfa71b0cbd206cc6f29",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x536315b2b85bfa9fe121eef8e00cdf5a5811c248dd2bc6397fc669981fabbacb",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa8e327755f170fc04367a1405740f9899676c9872a38b1d25325dafb9c28ae80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2da85957092f03a4a9f5cf046de7cbd77a5e64bd3f7d1fe0a54abbeaf05a2f96",
+        "lastblockhash" : "0xac0a63b7d265e2facbf166e23128934e7a99635ebe8d5bfa71b0cbd206cc6f29",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d32g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g2v0Filler.json",
+            "sourceHash" : "00ff0065ad07e7761c8037843cced853aa6aff8011c709c1ca197d283db0da02"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xfe30",
+                    "hash" : "0x1688bed25d06d2e2d3bcdc13becfac438983c15f9b428b5a9b21ebdd0eca82a8",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x536315b2b85bfa9fe121eef8e00cdf5a5811c248dd2bc6397fc669981fabbacb",
+                    "stateRoot" : "0xf55557420ffcd9fd3a9fd31a82f016ce252dab5589216125c9947a3bee1bfbbb",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa8e327755f170fc04367a1405740f9899676c9872a38b1d25325dafb9c28ae80",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xeb9d2a0425e4ca1765f617e10acc60cdeff547ae1b88c6776430b02462b6c42a",
+                        "s" : "0x73b979bf118334a5171956b64a09b0d38d23be59d905e363d7a0980609ee564a",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1688bed25d06d2e2d3bcdc13becfac438983c15f9b428b5a9b21ebdd0eca82a8",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8fe30",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f01d0",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d32g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g2v0Filler.json",
-            "sourceHash" : "de946cce6383ffadde3390b1983475b199ee6d34fd078a66f8f23dd8069c7ca2"
+            "sourceHash" : "00ff0065ad07e7761c8037843cced853aa6aff8011c709c1ca197d283db0da02"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc0fb",
-                    "hash" : "0xf5c704e251f1237dc23bd8c6666a54d1def040101d62f1e903d0e49369e9ccac",
-                    "mixHash" : "0x4dda5be48dea1e52bc629a001fc213bddceaea0b4876789ed9dbe17839457b07",
-                    "nonce" : "0xfd71851c6bb19af2",
+                    "hash" : "0x77797aab106ba6e02b644ec792eb456556ec6ed8ac8c3fb34985387754b74442",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xa8e327755f170fc04367a1405740f9899676c9872a38b1d25325dafb9c28ae80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902dff901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa02aa2f83869b0416ede62380b7a0ebcfe065a1abe863fdd76af4af48e2e5dff45a0a8e327755f170fc04367a1405740f9899676c9872a38b1d25325dafb9c28ae80a0138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082c0fb8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8e0f8de80018301adb094100000000000000000000000000000000000000080b87d0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb1ca0eb9d2a0425e4ca1765f617e10acc60cdeff547ae1b88c6776430b02462b6c42aa073b979bf118334a5171956b64a09b0d38d23be59d905e363d7a0980609ee564ac0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf5c704e251f1237dc23bd8c6666a54d1def040101d62f1e903d0e49369e9ccac",
+        "lastblockhash" : "0x77797aab106ba6e02b644ec792eb456556ec6ed8ac8c3fb34985387754b74442",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d32g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g2v0Filler.json",
-            "sourceHash" : "de946cce6383ffadde3390b1983475b199ee6d34fd078a66f8f23dd8069c7ca2"
+            "sourceHash" : "00ff0065ad07e7761c8037843cced853aa6aff8011c709c1ca197d283db0da02"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc0fb",
-                    "hash" : "0x53390a2483b79e63cb2fc5ef41db5593f5491aa94cd9ad43948d4a61c233258e",
-                    "mixHash" : "0xd87566237f53758090ef152b10acaa34ca097d6d42eed357295be00bfd6ac592",
-                    "nonce" : "0xc592be3fae12b892",
+                    "hash" : "0x77797aab106ba6e02b644ec792eb456556ec6ed8ac8c3fb34985387754b74442",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xa8e327755f170fc04367a1405740f9899676c9872a38b1d25325dafb9c28ae80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x53390a2483b79e63cb2fc5ef41db5593f5491aa94cd9ad43948d4a61c233258e",
+        "lastblockhash" : "0x77797aab106ba6e02b644ec792eb456556ec6ed8ac8c3fb34985387754b74442",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g3v0.json
index cfeea87d1..4b958b36f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d32g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d32g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g3v0Filler.json",
-            "sourceHash" : "c7e79df89dbaf042ccba8f510a4934ed40740f75be4d23cac5e5a28aa72e9ccd"
+            "sourceHash" : "c7b9f9910edd50a2b01085226780fb6ca8b2eeb0f6b7ea31b6ed684e2d641a52"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xfe30",
-                    "hash" : "0xe7f563f4863829c729ad8fafb34fe4b13159a3e8d0566bf4e035cd07204ba47c",
-                    "mixHash" : "0x92a2bcf30961b9c139a0d1c28bb0c59e94bd326c8d81ad1284ecbf4b8014c40d",
-                    "nonce" : "0x662e0b842d726902",
+                    "hash" : "0x167a0a2ade95fd6264d5384a1901103cde2ce715efd502aa12ddcb2484a1d485",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x536315b2b85bfa9fe121eef8e00cdf5a5811c248dd2bc6397fc669981fabbacb",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x06eb41b2c5a0e50f1b2b3449a8107038910c6da5e5685cac7e0ff777cc883732",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe7f563f4863829c729ad8fafb34fe4b13159a3e8d0566bf4e035cd07204ba47c",
+        "lastblockhash" : "0x167a0a2ade95fd6264d5384a1901103cde2ce715efd502aa12ddcb2484a1d485",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d32g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g3v0Filler.json",
+            "sourceHash" : "c7b9f9910edd50a2b01085226780fb6ca8b2eeb0f6b7ea31b6ed684e2d641a52"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xfe30",
+                    "hash" : "0xd6284b334382e5adf3a45fac5ad729e2434921bb3a86bf3d50d78bb15316ba26",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x536315b2b85bfa9fe121eef8e00cdf5a5811c248dd2bc6397fc669981fabbacb",
+                    "stateRoot" : "0xf55557420ffcd9fd3a9fd31a82f016ce252dab5589216125c9947a3bee1bfbbb",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x06eb41b2c5a0e50f1b2b3449a8107038910c6da5e5685cac7e0ff777cc883732",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xa4169000e09babc920b1b9ccac4abaa1fec0e2af7a02c7c4d0edafcf6e59e08d",
+                        "s" : "0x7cb5f1aa890db9d4499fe04d86729e703905e8068f2b59f71ff77ad26f1211fc",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd6284b334382e5adf3a45fac5ad729e2434921bb3a86bf3d50d78bb15316ba26",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8fe30",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f01d0",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d32g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g3v0Filler.json",
-            "sourceHash" : "c7e79df89dbaf042ccba8f510a4934ed40740f75be4d23cac5e5a28aa72e9ccd"
+            "sourceHash" : "c7b9f9910edd50a2b01085226780fb6ca8b2eeb0f6b7ea31b6ed684e2d641a52"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc0fb",
-                    "hash" : "0xedb6260e082020cd8ec39b23fabf5f040b607c8f1b196d99cbe7c9bbb005b498",
-                    "mixHash" : "0x4b69114861f6d03ef3547c41a389b83e256b645666799207b17ca00229700704",
-                    "nonce" : "0xe665e26580f83aa6",
+                    "hash" : "0x9ba3c0063d67b8756dbe4abcdaf997a3c333f3e90b9f147aec8e4baa903c53f3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x06eb41b2c5a0e50f1b2b3449a8107038910c6da5e5685cac7e0ff777cc883732",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xedb6260e082020cd8ec39b23fabf5f040b607c8f1b196d99cbe7c9bbb005b498",
+        "lastblockhash" : "0x9ba3c0063d67b8756dbe4abcdaf997a3c333f3e90b9f147aec8e4baa903c53f3",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d32g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d32g3v0Filler.json",
-            "sourceHash" : "c7e79df89dbaf042ccba8f510a4934ed40740f75be4d23cac5e5a28aa72e9ccd"
+            "sourceHash" : "c7b9f9910edd50a2b01085226780fb6ca8b2eeb0f6b7ea31b6ed684e2d641a52"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc0fb",
-                    "hash" : "0x3e994f880bed7b22bad364e4ce3fd7e98629644c58031b37e3d29a6b647d43f9",
-                    "mixHash" : "0xc7eef104928dc353855225b3815ef194d068fdf5bb5cf3b1e466c5c2a691acac",
-                    "nonce" : "0xa8642a193d57a2f4",
+                    "hash" : "0x9ba3c0063d67b8756dbe4abcdaf997a3c333f3e90b9f147aec8e4baa903c53f3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x138ab6e8c6821d23f322dbb234e839c064f93f3b54ae1c45e8b0379103ee6480",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x06eb41b2c5a0e50f1b2b3449a8107038910c6da5e5685cac7e0ff777cc883732",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000cd935b43e42204fcbfb734a6e27735e8e90204fcc1fd2727bb040f9eecb",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3e994f880bed7b22bad364e4ce3fd7e98629644c58031b37e3d29a6b647d43f9",
+        "lastblockhash" : "0x9ba3c0063d67b8756dbe4abcdaf997a3c333f3e90b9f147aec8e4baa903c53f3",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g0v0.json
index 6d7d34934..d254dd02b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d33g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g0v0Filler.json",
-            "sourceHash" : "27028ef7042820b8910986ed7543354ece8de5cb9b54d8ca228903dac05ea247"
+            "sourceHash" : "4c9734f4dbdb1d4eae2e3f421f45b3e9221c9fcc08db1651a4964f05d8881d12"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf8f9",
-                    "hash" : "0x3356a19d385fccf81013300ee78954f639fb6fd2708d8e4a3168d2631367197e",
-                    "mixHash" : "0x34c60d2e36bf56d4473e43d2b28331942eb500639991341754bcd21355891648",
-                    "nonce" : "0x7d270463836ef4e9",
+                    "hash" : "0xf45a376bee3f7173551a2712be24fc43402e5ccaa0da39baf9d3a76acd6b1c89",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xafafc2fb4c02c283cc6675683dc372b34c9d11168287216e48122089f27ecd76",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xeeb9d0d86c90d4632527f0fe88f00054b229cd7a6bfcb0f88fbb8cc585be21ea",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3356a19d385fccf81013300ee78954f639fb6fd2708d8e4a3168d2631367197e",
+        "lastblockhash" : "0xf45a376bee3f7173551a2712be24fc43402e5ccaa0da39baf9d3a76acd6b1c89",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d33g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g0v0Filler.json",
+            "sourceHash" : "4c9734f4dbdb1d4eae2e3f421f45b3e9221c9fcc08db1651a4964f05d8881d12"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf8f9",
+                    "hash" : "0x93e1bbe7b52e229fde2055079f080093f7b0a20c1fe1f85839d364ba85e775a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xafafc2fb4c02c283cc6675683dc372b34c9d11168287216e48122089f27ecd76",
+                    "stateRoot" : "0x68357a02b2ae6b27703158d329fd797f8f670127816a1f814c7f96c322b4532d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xeeb9d0d86c90d4632527f0fe88f00054b229cd7a6bfcb0f88fbb8cc585be21ea",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xcd941ae9285fbf4a5e9bb6a01b450da06fbe76a43e3157bbc701018bfbd72adc",
+                        "s" : "0x4b358895ac69473004da568c904c6397678b9d41805e0eec842f99059be03154",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x93e1bbe7b52e229fde2055079f080093f7b0a20c1fe1f85839d364ba85e775a6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f8f9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0707",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d33g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g0v0Filler.json",
-            "sourceHash" : "27028ef7042820b8910986ed7543354ece8de5cb9b54d8ca228903dac05ea247"
+            "sourceHash" : "4c9734f4dbdb1d4eae2e3f421f45b3e9221c9fcc08db1651a4964f05d8881d12"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe0f",
-                    "hash" : "0x76f4178c133658d8ece7574e6af7112d38da1363f861c84fe9cd66e58f904b84",
-                    "mixHash" : "0x556d7333620891f2ddc5efd260e32a040d1954f93f6e1a34ebeceaf3bd3ef886",
-                    "nonce" : "0xc023e606e6bac03f",
+                    "hash" : "0x06cb9a24d502b27e3bf039772aaa6222be1f2c5e7159f3c02ea7cd4eff296d22",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33ee",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xeeb9d0d86c90d4632527f0fe88f00054b229cd7a6bfcb0f88fbb8cc585be21ea",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902d5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa05d515ccd51052bedace4abf0838fb023d5b84e52f5aa1eabacd3e84fd5ed432da0eeb9d0d86c90d4632527f0fe88f00054b229cd7a6bfcb0f88fbb8cc585be21eaa0ba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33eeb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082be0f8203e880a0556d7333620891f2ddc5efd260e32a040d1954f93f6e1a34ebeceaf3bd3ef88688c023e606e6bac03ff8d6f8d480018405f5e10094100000000000000000000000000000000000000080b8720000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae631ca0cd941ae9285fbf4a5e9bb6a01b450da06fbe76a43e3157bbc701018bfbd72adca04b358895ac69473004da568c904c6397678b9d41805e0eec842f99059be03154c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x76f4178c133658d8ece7574e6af7112d38da1363f861c84fe9cd66e58f904b84",
+        "lastblockhash" : "0x06cb9a24d502b27e3bf039772aaa6222be1f2c5e7159f3c02ea7cd4eff296d22",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d33g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g0v0Filler.json",
-            "sourceHash" : "27028ef7042820b8910986ed7543354ece8de5cb9b54d8ca228903dac05ea247"
+            "sourceHash" : "4c9734f4dbdb1d4eae2e3f421f45b3e9221c9fcc08db1651a4964f05d8881d12"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe0f",
-                    "hash" : "0x780de62aa231c753f6fd654496a77fb2a8935a6ba52df73762ab5c53555b012c",
-                    "mixHash" : "0xfb420fe29549743b8db2074b29763b81de3e45bfa786f5118b616639b28353d4",
-                    "nonce" : "0xe82235476ef48d5d",
+                    "hash" : "0x06cb9a24d502b27e3bf039772aaa6222be1f2c5e7159f3c02ea7cd4eff296d22",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33ee",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xeeb9d0d86c90d4632527f0fe88f00054b229cd7a6bfcb0f88fbb8cc585be21ea",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x780de62aa231c753f6fd654496a77fb2a8935a6ba52df73762ab5c53555b012c",
+        "lastblockhash" : "0x06cb9a24d502b27e3bf039772aaa6222be1f2c5e7159f3c02ea7cd4eff296d22",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g1v0.json
index c0d29db3b..3fc826887 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d33g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g1v0Filler.json",
-            "sourceHash" : "88975e2303cbcac888a16bb8a45c462e5f271ac193df9539f4623629583eda05"
+            "sourceHash" : "013f08a65f8b1ed72013ccee34efbf2737cb56166a5a1f04c198ece3eb230b17"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf8f9",
-                    "hash" : "0xcde4fe3ad2df3fbb93025394dce2cbc89ba7c98c34e2b21b05150abd181e2345",
-                    "mixHash" : "0x78f89ddc88cbc8451576efe5677d0220baa2f354fdbf9d152bac915507d2fb8a",
-                    "nonce" : "0x405cf58b599cb9a9",
+                    "hash" : "0x1769d05e6e1c47f7a472199dc73639e89f4d8c8c3e914e858a5d9804146ef89f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xafafc2fb4c02c283cc6675683dc372b34c9d11168287216e48122089f27ecd76",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6f99ac713d3ba629a33599b79ed8227920302fd53f6bce22cabcb13cc7158d72",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902d4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0fda723c2eb89946ed66c34aed354af35f2d008d3fae57362aa9bbd971ab3ac54a06f99ac713d3ba629a33599b79ed8227920302fd53f6bce22cabcb13cc7158d72a0afafc2fb4c02c283cc6675683dc372b34c9d11168287216e48122089f27ecd76b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082f8f98203e880a078f89ddc88cbc8451576efe5677d0220baa2f354fdbf9d152bac915507d2fb8a88405cf58b599cb9a9f8d5f8d3800183015f9094100000000000000000000000000000000000000080b8720000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae631ba0d38a6fd8e6ddb4e86f56935d6ef3c80b95a6be248629d8574ea32385d8826818a06ad42dd4f92add47d966b05d1efa6035cd37947f11a865b45e82c56352c9cb4bc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcde4fe3ad2df3fbb93025394dce2cbc89ba7c98c34e2b21b05150abd181e2345",
+        "lastblockhash" : "0x1769d05e6e1c47f7a472199dc73639e89f4d8c8c3e914e858a5d9804146ef89f",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d33g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g1v0Filler.json",
+            "sourceHash" : "013f08a65f8b1ed72013ccee34efbf2737cb56166a5a1f04c198ece3eb230b17"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf8f9",
+                    "hash" : "0x9639e1c8b6fd221b419c984e1828933311b290c68e9a5070301596ffff60400b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xafafc2fb4c02c283cc6675683dc372b34c9d11168287216e48122089f27ecd76",
+                    "stateRoot" : "0x68357a02b2ae6b27703158d329fd797f8f670127816a1f814c7f96c322b4532d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6f99ac713d3ba629a33599b79ed8227920302fd53f6bce22cabcb13cc7158d72",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xd38a6fd8e6ddb4e86f56935d6ef3c80b95a6be248629d8574ea32385d8826818",
+                        "s" : "0x6ad42dd4f92add47d966b05d1efa6035cd37947f11a865b45e82c56352c9cb4b",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9639e1c8b6fd221b419c984e1828933311b290c68e9a5070301596ffff60400b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f8f9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0707",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d33g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g1v0Filler.json",
-            "sourceHash" : "88975e2303cbcac888a16bb8a45c462e5f271ac193df9539f4623629583eda05"
+            "sourceHash" : "013f08a65f8b1ed72013ccee34efbf2737cb56166a5a1f04c198ece3eb230b17"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe0f",
-                    "hash" : "0x86ca8f9a10e9ceb134ba6f76a7d7b45c016df70fa1739b4ac4c9b33d741e0db9",
-                    "mixHash" : "0x4a4e8586bef711fd5acddd08069c37b0d7ed61646ff9fbc7393cdb2aafc60598",
-                    "nonce" : "0x8b3b4aa3433fca22",
+                    "hash" : "0x83da34a40f1658e9593620d0809403955877e0f81fa0c46176849ae2071d428b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33ee",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x6f99ac713d3ba629a33599b79ed8227920302fd53f6bce22cabcb13cc7158d72",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x86ca8f9a10e9ceb134ba6f76a7d7b45c016df70fa1739b4ac4c9b33d741e0db9",
+        "lastblockhash" : "0x83da34a40f1658e9593620d0809403955877e0f81fa0c46176849ae2071d428b",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d33g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g1v0Filler.json",
-            "sourceHash" : "88975e2303cbcac888a16bb8a45c462e5f271ac193df9539f4623629583eda05"
+            "sourceHash" : "013f08a65f8b1ed72013ccee34efbf2737cb56166a5a1f04c198ece3eb230b17"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe0f",
-                    "hash" : "0x97a0f94259e88f63405452a52df9c0bf0c9ac799255130e14e7bc7d155917a98",
-                    "mixHash" : "0x0528e7a74d55ad736d268539a474933dcdc42a127b9fc962ea9adcee01dc51a1",
-                    "nonce" : "0xaa52eec4dd108987",
+                    "hash" : "0x83da34a40f1658e9593620d0809403955877e0f81fa0c46176849ae2071d428b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33ee",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x6f99ac713d3ba629a33599b79ed8227920302fd53f6bce22cabcb13cc7158d72",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x97a0f94259e88f63405452a52df9c0bf0c9ac799255130e14e7bc7d155917a98",
+        "lastblockhash" : "0x83da34a40f1658e9593620d0809403955877e0f81fa0c46176849ae2071d428b",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g2v0.json
index 48d41cb1f..0a649bf46 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d33g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g2v0Filler.json",
-            "sourceHash" : "bb2d428d12342c7939b375a04e7785015ac233ca6d9b0e5e4eb932df16d8c002"
+            "sourceHash" : "c891886170675745b94c4f84682a5b0c3503b2c85d0430e91ee6fbba5cf6d04f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf8f9",
-                    "hash" : "0x5955d247c21e8242818f4d2fd9cd84b7df7be85fb79dc476bbc65d9fe0d6ee77",
-                    "mixHash" : "0xecf33555ea912db4cfdedb76323174d43d71d134a45477a79c61e44d314fbe85",
-                    "nonce" : "0x81c743cbc152a86f",
+                    "hash" : "0x366613192e3d8c97bfdcffe5481195dbeec8019f442f6a0ba289094a326f1ffa",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xafafc2fb4c02c283cc6675683dc372b34c9d11168287216e48122089f27ecd76",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x2e6b040a71cf50833edc65b7e6c4b03356d120eaebc3c90bd4060916f291f7a3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x5955d247c21e8242818f4d2fd9cd84b7df7be85fb79dc476bbc65d9fe0d6ee77",
+        "lastblockhash" : "0x366613192e3d8c97bfdcffe5481195dbeec8019f442f6a0ba289094a326f1ffa",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d33g2v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+            "sourceHash" : "c891886170675745b94c4f84682a5b0c3503b2c85d0430e91ee6fbba5cf6d04f"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf8f9",
+                    "hash" : "0x60b9993c27476819deee97ec0ada47a183b30a0d12d7b5995ca0eca6f53d03ec",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                        "v" : "0x1c",
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+                "uncleHeaders" : [
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+        "genesisBlockHeader" : {
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
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+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x60b9993c27476819deee97ec0ada47a183b30a0d12d7b5995ca0eca6f53d03ec",
+        "network" : "Constantinople",
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+                "nonce" : "0x00",
+                "storage" : {
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+                    "0x02" : "0x010000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f8f9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0707",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d33g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g2v0Filler.json",
-            "sourceHash" : "bb2d428d12342c7939b375a04e7785015ac233ca6d9b0e5e4eb932df16d8c002"
+            "sourceHash" : "c891886170675745b94c4f84682a5b0c3503b2c85d0430e91ee6fbba5cf6d04f"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe0f",
-                    "hash" : "0x322b4cd95501154ba3851c2c8304d3288cf57b5fba66bb55c27baf9ec2c50c3c",
-                    "mixHash" : "0x5b2c2efdc72586b71d8969fca61c2b61e46edf79be61605756f457b87a728506",
-                    "nonce" : "0xa9c73f3b7072331c",
+                    "hash" : "0xa7d647e36e6274a5932e17b2c159a4443dacf36da3ac1b4eb547361428a051dd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33ee",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x2e6b040a71cf50833edc65b7e6c4b03356d120eaebc3c90bd4060916f291f7a3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x322b4cd95501154ba3851c2c8304d3288cf57b5fba66bb55c27baf9ec2c50c3c",
+        "lastblockhash" : "0xa7d647e36e6274a5932e17b2c159a4443dacf36da3ac1b4eb547361428a051dd",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d33g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g2v0Filler.json",
-            "sourceHash" : "bb2d428d12342c7939b375a04e7785015ac233ca6d9b0e5e4eb932df16d8c002"
+            "sourceHash" : "c891886170675745b94c4f84682a5b0c3503b2c85d0430e91ee6fbba5cf6d04f"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe0f",
-                    "hash" : "0x5d40c4e065a5ef47442e3277101f74172d49c74f76fd07a99e37752d4794b443",
-                    "mixHash" : "0x1cd0c8785473e5e2e299a5e070e8821d5897d5f8a64518f5680d60c0731f84d4",
-                    "nonce" : "0xb0994371730d6116",
+                    "hash" : "0xa7d647e36e6274a5932e17b2c159a4443dacf36da3ac1b4eb547361428a051dd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33ee",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x2e6b040a71cf50833edc65b7e6c4b03356d120eaebc3c90bd4060916f291f7a3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5d40c4e065a5ef47442e3277101f74172d49c74f76fd07a99e37752d4794b443",
+        "lastblockhash" : "0xa7d647e36e6274a5932e17b2c159a4443dacf36da3ac1b4eb547361428a051dd",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g3v0.json
index a277bf063..43a7d645a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d33g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d33g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g3v0Filler.json",
-            "sourceHash" : "9d57331fe8349ccce760bf78750478d3de8402d75b0347caf51be71d0cfd1a34"
+            "sourceHash" : "2e54c46219c1aef2cf68356aa05483bb0db1779fe4860e6f434db2b9b9cfabaa"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf8f9",
-                    "hash" : "0x9515d9d1cfeb0a5e6ec3d39c2f3eb84f0a42345b2369b3d338b7131060158562",
-                    "mixHash" : "0x24eda850044bc19128a0f13e75031ab887b7275653a58afc558c13bb62e31b1e",
-                    "nonce" : "0x01e8e09ab566bbda",
+                    "hash" : "0x1c9f3eae69febad31a8737c48081f3be680cfddf928822c9cbe904a7f0c4333d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xafafc2fb4c02c283cc6675683dc372b34c9d11168287216e48122089f27ecd76",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6fa8cac0b24441331dae4875661c10555b21daac9b6758a5d23f8a04ca6d0616",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x9515d9d1cfeb0a5e6ec3d39c2f3eb84f0a42345b2369b3d338b7131060158562",
+        "lastblockhash" : "0x1c9f3eae69febad31a8737c48081f3be680cfddf928822c9cbe904a7f0c4333d",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d33g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g3v0Filler.json",
+            "sourceHash" : "2e54c46219c1aef2cf68356aa05483bb0db1779fe4860e6f434db2b9b9cfabaa"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf8f9",
+                    "hash" : "0x123486de271801e1dc5302cb3a2afaab68d800e05319253ff4da092b0f29d2d6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0xafafc2fb4c02c283cc6675683dc372b34c9d11168287216e48122089f27ecd76",
+                    "stateRoot" : "0x68357a02b2ae6b27703158d329fd797f8f670127816a1f814c7f96c322b4532d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6fa8cac0b24441331dae4875661c10555b21daac9b6758a5d23f8a04ca6d0616",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x89b37585641a848728e40e809eafa759942213c016346577181e93e859cc9980",
+                        "s" : "0x0423d1f219e02da91af50f7023d1447fc03c005e20a77fa8adc699d6cc2bc4a9",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x123486de271801e1dc5302cb3a2afaab68d800e05319253ff4da092b0f29d2d6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f8f9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0707",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d33g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g3v0Filler.json",
-            "sourceHash" : "9d57331fe8349ccce760bf78750478d3de8402d75b0347caf51be71d0cfd1a34"
+            "sourceHash" : "2e54c46219c1aef2cf68356aa05483bb0db1779fe4860e6f434db2b9b9cfabaa"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe0f",
-                    "hash" : "0xbe5b7442cc9a7fbb64d5810a3b64ab2ab53d9627b2842e16c9bd5280e6d9b13a",
-                    "mixHash" : "0x1957fbcf9e1c1a7703793203fab47839ebfa8fdef20b990898a3e8454a850d06",
-                    "nonce" : "0x538b98ba43595ed1",
+                    "hash" : "0xd2f45a290235e4c375457cbbf3fa2d559dfe597495b432b2b87aeb642d3ef622",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33ee",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x6fa8cac0b24441331dae4875661c10555b21daac9b6758a5d23f8a04ca6d0616",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbe5b7442cc9a7fbb64d5810a3b64ab2ab53d9627b2842e16c9bd5280e6d9b13a",
+        "lastblockhash" : "0xd2f45a290235e4c375457cbbf3fa2d559dfe597495b432b2b87aeb642d3ef622",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d33g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d33g3v0Filler.json",
-            "sourceHash" : "9d57331fe8349ccce760bf78750478d3de8402d75b0347caf51be71d0cfd1a34"
+            "sourceHash" : "2e54c46219c1aef2cf68356aa05483bb0db1779fe4860e6f434db2b9b9cfabaa"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbe0f",
-                    "hash" : "0xd8c94f93877a9b408287b4b1224f398f3964fde524aa475ded3311859b70a331",
-                    "mixHash" : "0xc7407a715885ef00702bf89a08108308974008573d09119495db0b3f1c5f3624",
-                    "nonce" : "0x1c273fb8a0fc75eb",
+                    "hash" : "0xd2f45a290235e4c375457cbbf3fa2d559dfe597495b432b2b87aeb642d3ef622",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33ee",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x6fa8cac0b24441331dae4875661c10555b21daac9b6758a5d23f8a04ca6d0616",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902d4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa05d515ccd51052bedace4abf0838fb023d5b84e52f5aa1eabacd3e84fd5ed432da06fa8cac0b24441331dae4875661c10555b21daac9b6758a5d23f8a04ca6d0616a0ba1aebd5c54b76316f1afd42ae86558cc9c2abc34c648d96b612852d392e33eeb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082be0f8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8d5f8d3800183030d4094100000000000000000000000000000000000000080b8720000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae631ba089b37585641a848728e40e809eafa759942213c016346577181e93e859cc9980a00423d1f219e02da91af50f7023d1447fc03c005e20a77fa8adc699d6cc2bc4a9c0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000060846813a8d2d451387340fa0597c6545ae63",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd8c94f93877a9b408287b4b1224f398f3964fde524aa475ded3311859b70a331",
+        "lastblockhash" : "0xd2f45a290235e4c375457cbbf3fa2d559dfe597495b432b2b87aeb642d3ef622",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g0v0.json
index ef097c8df..2a02d0354 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d34g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g0v0Filler.json",
-            "sourceHash" : "c22da3444270fe29b961cee317777ed673c53cd061b0186772b999bc61740821"
+            "sourceHash" : "bff4ac40ba85466db43b4630432c52e9916bc07a6a3a1e14878553e23a5588a8"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xff46",
-                    "hash" : "0x8f567d0164be766f652324d52b42841d39c3a97a363902838628b9fd050651da",
-                    "mixHash" : "0xa94ef5fc25a6dc3e93901c044b07464d9daeef1f46150f9db710228fcbdaf75b",
-                    "nonce" : "0x1ef79d0c58b030a6",
+                    "hash" : "0x3f31927cb10be7991279881dc8bac9d115a2273d9872f7cdc737692c54109473",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1afca786aee7fd5617c31288c6ed495179a6d02231de6ad81d97fda6ab12422e",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3e0459056dfebecf3b5fd2c9b6d8325b714d683b806675b7ca66bb0f8e4b5ec3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x8f567d0164be766f652324d52b42841d39c3a97a363902838628b9fd050651da",
+        "lastblockhash" : "0x3f31927cb10be7991279881dc8bac9d115a2273d9872f7cdc737692c54109473",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d34g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g0v0Filler.json",
+            "sourceHash" : "bff4ac40ba85466db43b4630432c52e9916bc07a6a3a1e14878553e23a5588a8"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xff46",
+                    "hash" : "0x4d23bf87bccf0cb6bcc2c745bfd917e5ed34aa17c87df626cba588e9ef7c235a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1afca786aee7fd5617c31288c6ed495179a6d02231de6ad81d97fda6ab12422e",
+                    "stateRoot" : "0xd2fb153b493b458e3ba432728eeddfc2240a002c55cc260249d7b28e2b6cb52a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3e0459056dfebecf3b5fd2c9b6d8325b714d683b806675b7ca66bb0f8e4b5ec3",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x0bcf3a5f0882b60db9271c087c481312e30b90fd400b07e8e4889a300c0d5587",
+                        "s" : "0x11a47cae526541f2e6b9f617d978bd680742028a05100e0c27e80e4dfdcae335",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x4d23bf87bccf0cb6bcc2c745bfd917e5ed34aa17c87df626cba588e9ef7c235a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8ff46",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f00ba",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d34g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g0v0Filler.json",
-            "sourceHash" : "c22da3444270fe29b961cee317777ed673c53cd061b0186772b999bc61740821"
+            "sourceHash" : "bff4ac40ba85466db43b4630432c52e9916bc07a6a3a1e14878553e23a5588a8"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc183",
-                    "hash" : "0x326ed02ca618c537cfb03029912fd4c5eaf174a35f6e62d7e9feb1ddd83d1d82",
-                    "mixHash" : "0x145e090033e199364274b32be3bcc246b71389734b56cbd0888d4ac22703f204",
-                    "nonce" : "0x047dad2c395129f5",
+                    "hash" : "0xed592a6e9595143e70f9ea141213ac191414faa5f42eae1b443513004cbef8b7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x3e0459056dfebecf3b5fd2c9b6d8325b714d683b806675b7ca66bb0f8e4b5ec3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x326ed02ca618c537cfb03029912fd4c5eaf174a35f6e62d7e9feb1ddd83d1d82",
+        "lastblockhash" : "0xed592a6e9595143e70f9ea141213ac191414faa5f42eae1b443513004cbef8b7",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d34g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g0v0Filler.json",
-            "sourceHash" : "c22da3444270fe29b961cee317777ed673c53cd061b0186772b999bc61740821"
+            "sourceHash" : "bff4ac40ba85466db43b4630432c52e9916bc07a6a3a1e14878553e23a5588a8"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc183",
-                    "hash" : "0x1d3df8558fb82813b21982c2117260a1722fc14d0ba9673bc127d0fba3c09d64",
-                    "mixHash" : "0xd8c8964285822b5826d7b1763489dab676188b3cf7e4220e63ec5a7de3e04471",
-                    "nonce" : "0xfa6e9539d5b5f1cf",
+                    "hash" : "0xed592a6e9595143e70f9ea141213ac191414faa5f42eae1b443513004cbef8b7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x3e0459056dfebecf3b5fd2c9b6d8325b714d683b806675b7ca66bb0f8e4b5ec3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x1d3df8558fb82813b21982c2117260a1722fc14d0ba9673bc127d0fba3c09d64",
+        "lastblockhash" : "0xed592a6e9595143e70f9ea141213ac191414faa5f42eae1b443513004cbef8b7",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g1v0.json
index d169c787f..99026edfa 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d34g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g1v0Filler.json",
-            "sourceHash" : "2590f8cbb6026371189c76a78b9c077c8519be05b6a587902bf226fc7bb6aa36"
+            "sourceHash" : "8e78c7a4793eaaba1552d2b39852b4405356425521c63dadf665ecd1b91be0e6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xff46",
-                    "hash" : "0x9b0e14843a8dc797636f8054627cf41be41a881f248866047eea31890bb15728",
-                    "mixHash" : "0x1d737d78a02e325e32ac307a9cddf40bb0ca5cb42face5fd02b6075083a831ae",
-                    "nonce" : "0x02d75e49d76cca29",
+                    "hash" : "0x97601e23f93acd8d15d104528a28894b2a5f8498bddc609518a2d13d66e2896f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1afca786aee7fd5617c31288c6ed495179a6d02231de6ad81d97fda6ab12422e",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x08fa9447ccd55e266c60e36beded05601969bec59a09d2195b268cd88cc5653b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x9b0e14843a8dc797636f8054627cf41be41a881f248866047eea31890bb15728",
+        "lastblockhash" : "0x97601e23f93acd8d15d104528a28894b2a5f8498bddc609518a2d13d66e2896f",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d34g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g1v0Filler.json",
+            "sourceHash" : "8e78c7a4793eaaba1552d2b39852b4405356425521c63dadf665ecd1b91be0e6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xff46",
+                    "hash" : "0x2b462e6c685363bf834cd490a943f9268f32d48bf2d2de4b650eeefdae22642a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1afca786aee7fd5617c31288c6ed495179a6d02231de6ad81d97fda6ab12422e",
+                    "stateRoot" : "0xd2fb153b493b458e3ba432728eeddfc2240a002c55cc260249d7b28e2b6cb52a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x08fa9447ccd55e266c60e36beded05601969bec59a09d2195b268cd88cc5653b",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc7c73113062a58bf7e0e82e2f72e370935e724fd5d83ed1e36822a2514f09e6d",
+                        "s" : "0x69f842a32725aa93e33e493bb5432d1b8763df8fea585ccaa8bb440713fa4a1b",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2b462e6c685363bf834cd490a943f9268f32d48bf2d2de4b650eeefdae22642a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8ff46",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f00ba",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d34g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g1v0Filler.json",
-            "sourceHash" : "2590f8cbb6026371189c76a78b9c077c8519be05b6a587902bf226fc7bb6aa36"
+            "sourceHash" : "8e78c7a4793eaaba1552d2b39852b4405356425521c63dadf665ecd1b91be0e6"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc183",
-                    "hash" : "0x08de7de28e82852f20a033850a75ba283255db4273e536457c0e9eb025e2435a",
-                    "mixHash" : "0xe3eb20073745acd21d68ea91272f12c55940b593eff16c4fbd33f334c195e436",
-                    "nonce" : "0x98cd23b1c42d95c4",
+                    "hash" : "0x3f042c497ea508b272cbf77686e6d9a9e0dabcb46b84aa7ac8c260051cc7106d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x08fa9447ccd55e266c60e36beded05601969bec59a09d2195b268cd88cc5653b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902e1f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa05104e96bd6a5327115cd163c9075e46bdb21d2cbc12eeec05b5867ffe121a1dfa008fa9447ccd55e266c60e36beded05601969bec59a09d2195b268cd88cc5653ba03e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082c1838203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8e2f8e0800183015f9094100000000000000000000000000000000000000080b87f0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f1ba0c7c73113062a58bf7e0e82e2f72e370935e724fd5d83ed1e36822a2514f09e6da069f842a32725aa93e33e493bb5432d1b8763df8fea585ccaa8bb440713fa4a1bc0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x08de7de28e82852f20a033850a75ba283255db4273e536457c0e9eb025e2435a",
+        "lastblockhash" : "0x3f042c497ea508b272cbf77686e6d9a9e0dabcb46b84aa7ac8c260051cc7106d",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d34g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g1v0Filler.json",
-            "sourceHash" : "2590f8cbb6026371189c76a78b9c077c8519be05b6a587902bf226fc7bb6aa36"
+            "sourceHash" : "8e78c7a4793eaaba1552d2b39852b4405356425521c63dadf665ecd1b91be0e6"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc183",
-                    "hash" : "0x62115515443d2a737c1413369a3216fc83fcd765e088d12364d52bca7e247c6d",
-                    "mixHash" : "0x989705ad5f768e2197709b6ef43535662129e6e70bf4dcc2cfb83392e8bdea0a",
-                    "nonce" : "0xc62c26e40a091e8b",
+                    "hash" : "0x3f042c497ea508b272cbf77686e6d9a9e0dabcb46b84aa7ac8c260051cc7106d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x08fa9447ccd55e266c60e36beded05601969bec59a09d2195b268cd88cc5653b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x62115515443d2a737c1413369a3216fc83fcd765e088d12364d52bca7e247c6d",
+        "lastblockhash" : "0x3f042c497ea508b272cbf77686e6d9a9e0dabcb46b84aa7ac8c260051cc7106d",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g2v0.json
index 12854724f..cbdc51dfe 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d34g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g2v0Filler.json",
-            "sourceHash" : "8acba2dc99b21631e5d8e4470d91557a48457b00b88e7a1acb4ebfb516e85e0f"
+            "sourceHash" : "4619a54d817e032c0cb4d6e4997f446f5f8310ade4ca1fc7e5372a13d11862bd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xff46",
-                    "hash" : "0xca801e4c7ab0b4d3bc6a01b1f2a4c6065706c99475f00f68677188e3309863e1",
-                    "mixHash" : "0x7e5a0a12f32425920f1a5b4557bcb85500db71d598bec9e467ce235404d3c650",
-                    "nonce" : "0x1828ed533f4ba14e",
+                    "hash" : "0x40bc9fd41da397ded19bbc2122dc724c093b138367bff59eceabde7bae1d9bd6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1afca786aee7fd5617c31288c6ed495179a6d02231de6ad81d97fda6ab12422e",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x691aebcfb3b2cd7b4b44f962bae932de74bcac1aee4373b005166602c96cfc6b",
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xca801e4c7ab0b4d3bc6a01b1f2a4c6065706c99475f00f68677188e3309863e1",
+        "lastblockhash" : "0x40bc9fd41da397ded19bbc2122dc724c093b138367bff59eceabde7bae1d9bd6",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d34g2v0_Constantinople" : {
+        "_info" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+            "sourceHash" : "4619a54d817e032c0cb4d6e4997f446f5f8310ade4ca1fc7e5372a13d11862bd"
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xff46",
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+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
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+                "uncleHeaders" : [
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+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
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+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0xdcd4f625b6239c88234e7f3e36a42052ee34295f1ab8040b1c107853a98341bf",
+        "network" : "Constantinople",
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000"
+                }
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8ff46",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f00ba",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d34g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g2v0Filler.json",
-            "sourceHash" : "8acba2dc99b21631e5d8e4470d91557a48457b00b88e7a1acb4ebfb516e85e0f"
+            "sourceHash" : "4619a54d817e032c0cb4d6e4997f446f5f8310ade4ca1fc7e5372a13d11862bd"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc183",
-                    "hash" : "0x0aa43f98b92cd690461c59718fe3a0f571cd9050685fac72f2111bff1473388d",
-                    "mixHash" : "0x97e7b2fa00eff90d1c1e897a2ed56bc7f57fae90e07faa84738613898e679e96",
-                    "nonce" : "0x82adc6e15493865f",
+                    "hash" : "0x2d92713bbca56996f324235aa57f3018349de078c2f1321d315496ff3d84694f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x691aebcfb3b2cd7b4b44f962bae932de74bcac1aee4373b005166602c96cfc6b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x0aa43f98b92cd690461c59718fe3a0f571cd9050685fac72f2111bff1473388d",
+        "lastblockhash" : "0x2d92713bbca56996f324235aa57f3018349de078c2f1321d315496ff3d84694f",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d34g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g2v0Filler.json",
-            "sourceHash" : "8acba2dc99b21631e5d8e4470d91557a48457b00b88e7a1acb4ebfb516e85e0f"
+            "sourceHash" : "4619a54d817e032c0cb4d6e4997f446f5f8310ade4ca1fc7e5372a13d11862bd"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc183",
-                    "hash" : "0x46d8e5c12917dd6fbface962f00056ec970f498d5ba7574ec997880bef9da016",
-                    "mixHash" : "0x60f81159f4fc01117d3c0d67ed557f660bd2aad57a030b1ea3c455cf1578ad3c",
-                    "nonce" : "0x4a04bad86be8b3c1",
+                    "hash" : "0x2d92713bbca56996f324235aa57f3018349de078c2f1321d315496ff3d84694f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x691aebcfb3b2cd7b4b44f962bae932de74bcac1aee4373b005166602c96cfc6b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x46d8e5c12917dd6fbface962f00056ec970f498d5ba7574ec997880bef9da016",
+        "lastblockhash" : "0x2d92713bbca56996f324235aa57f3018349de078c2f1321d315496ff3d84694f",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g3v0.json
index 3dad4fecb..8c2009a2a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d34g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d34g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g3v0Filler.json",
-            "sourceHash" : "dfa5bdfb587ada14fca487c9099d082e88c2a19b4a6a5fb258407d313b21c2c0"
+            "sourceHash" : "67035e234ef4d3d12bcdf685e71b8ef9d1c672f8f7d75eaab8084a7d7a085b24"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xff46",
-                    "hash" : "0x17694c5a57f3b026e3f110e335a4367c3027d3ca519b707a7bba979ef624a791",
-                    "mixHash" : "0x2d2cd9b380701d0f954a669fa5b3af94c8dd5a5b597d505b813a9aba98f2d778",
-                    "nonce" : "0x7589a66c28ba11f5",
+                    "hash" : "0xa1459006b55db76c30a625ab85a5e993359768172a7e78b311da4f69a3920740",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x1afca786aee7fd5617c31288c6ed495179a6d02231de6ad81d97fda6ab12422e",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc7240d003192a8203294e1701b6f181e7c3baa1d0e11b1952f9132ced91f2698",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902e1f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa08648e906dc7d0b0e49515cafcffcc13c1d6da94e5943778ce11b0e713b30e9f3a0c7240d003192a8203294e1701b6f181e7c3baa1d0e11b1952f9132ced91f2698a01afca786aee7fd5617c31288c6ed495179a6d02231de6ad81d97fda6ab12422eb901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ff468203e880a02d2cd9b380701d0f954a669fa5b3af94c8dd5a5b597d505b813a9aba98f2d778887589a66c28ba11f5f8e2f8e0800183030d4094100000000000000000000000000000000000000080b87f0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f1ba06a8c343bbc3212fd8ba68e1ee22f483f2e1ead5db5396fe2ee297572387408a3a05aedbac637bac8f288e0df62c25d69d5b10d9854f3e78ab03118f3da3ef32aa9c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x17694c5a57f3b026e3f110e335a4367c3027d3ca519b707a7bba979ef624a791",
+        "lastblockhash" : "0xa1459006b55db76c30a625ab85a5e993359768172a7e78b311da4f69a3920740",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d34g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g3v0Filler.json",
+            "sourceHash" : "67035e234ef4d3d12bcdf685e71b8ef9d1c672f8f7d75eaab8084a7d7a085b24"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xff46",
+                    "hash" : "0xeabbe98859fcf58848dcabfa29198e0698cfeba42a8f341624e578ce2b33c5b7",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1afca786aee7fd5617c31288c6ed495179a6d02231de6ad81d97fda6ab12422e",
+                    "stateRoot" : "0xd2fb153b493b458e3ba432728eeddfc2240a002c55cc260249d7b28e2b6cb52a",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xc7240d003192a8203294e1701b6f181e7c3baa1d0e11b1952f9132ced91f2698",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x6a8c343bbc3212fd8ba68e1ee22f483f2e1ead5db5396fe2ee297572387408a3",
+                        "s" : "0x5aedbac637bac8f288e0df62c25d69d5b10d9854f3e78ab03118f3da3ef32aa9",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xeabbe98859fcf58848dcabfa29198e0698cfeba42a8f341624e578ce2b33c5b7",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x0100000000000000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8ff46",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f00ba",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d34g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g3v0Filler.json",
-            "sourceHash" : "dfa5bdfb587ada14fca487c9099d082e88c2a19b4a6a5fb258407d313b21c2c0"
+            "sourceHash" : "67035e234ef4d3d12bcdf685e71b8ef9d1c672f8f7d75eaab8084a7d7a085b24"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc183",
-                    "hash" : "0x8af390a1e06938bea14b8f061798d6374ad8efc712cd91f7542ce74b21937362",
-                    "mixHash" : "0x52535f81bb84c357f6f3dcaf11ed3cd8dd66acd81da315046bc336c1dbf490d7",
-                    "nonce" : "0xa79c1f0cea6e4c10",
+                    "hash" : "0xae108a82269eec1fa73236bf1e6675eb8bac6b7c7bb3ff470beae16b1f2acfba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xc7240d003192a8203294e1701b6f181e7c3baa1d0e11b1952f9132ced91f2698",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8af390a1e06938bea14b8f061798d6374ad8efc712cd91f7542ce74b21937362",
+        "lastblockhash" : "0xae108a82269eec1fa73236bf1e6675eb8bac6b7c7bb3ff470beae16b1f2acfba",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d34g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d34g3v0Filler.json",
-            "sourceHash" : "dfa5bdfb587ada14fca487c9099d082e88c2a19b4a6a5fb258407d313b21c2c0"
+            "sourceHash" : "67035e234ef4d3d12bcdf685e71b8ef9d1c672f8f7d75eaab8084a7d7a085b24"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc183",
-                    "hash" : "0x83b83621405cd742ec02277bcf505be5828d5db63e76414ff3422aa6cba6263b",
-                    "mixHash" : "0x112292887d46f895799efd27150a67a6575fe4cbdb0be3646c6151b4bab200b0",
-                    "nonce" : "0x4a2b0c64200669c3",
+                    "hash" : "0xae108a82269eec1fa73236bf1e6675eb8bac6b7c7bb3ff470beae16b1f2acfba",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x3e94c6ebd81af2906f27630adafb91b61aba1acde22f17e2e0d520aff77008f3",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xc7240d003192a8203294e1701b6f181e7c3baa1d0e11b1952f9132ced91f2698",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000005000000000000000000000000000000000000000000000000000000000000000d000000000000000000000000000000000000000000000000000000000000000d02534f82b1013f20d9c7d18d62cd95674d2e013f20d9c7d18d62cd95674d2f",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x83b83621405cd742ec02277bcf505be5828d5db63e76414ff3422aa6cba6263b",
+        "lastblockhash" : "0xae108a82269eec1fa73236bf1e6675eb8bac6b7c7bb3ff470beae16b1f2acfba",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g0v0.json
index 2a6ab4d8b..46aff204e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d35g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g0v0Filler.json",
-            "sourceHash" : "984d91cdd7630119f2e68a6d4470fb118350c7302a04afa8017e47844d82eeea"
+            "sourceHash" : "5ea117e7612f17c725471eb878cbd1a10a794bc921ce757ed108b77d9ff072e2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x010a4d",
-                    "hash" : "0x31aedb4a3d556881fa307030be02ca1fc83884fdec75440210cef940e19dcdca",
-                    "mixHash" : "0x34ed5cf282eef184c1da88043f9bca582adad473dbd2df10dbfdba933d83e8ca",
-                    "nonce" : "0x5607b757736438af",
+                    "hash" : "0x77f68a9c5d5f065579c184a375f1f9238a6ceeb12b788ff7febda74cfb9165c6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x80490680cced70d64e44d1e4e903084f8d90e763b8a1a5b3f2b9d18d409c58d1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5a8c1324c20347d40a92122eaf27bf923bda58a23536b5a3992c54f41810c170",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x31aedb4a3d556881fa307030be02ca1fc83884fdec75440210cef940e19dcdca",
+        "lastblockhash" : "0x77f68a9c5d5f065579c184a375f1f9238a6ceeb12b788ff7febda74cfb9165c6",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d35g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g0v0Filler.json",
+            "sourceHash" : "5ea117e7612f17c725471eb878cbd1a10a794bc921ce757ed108b77d9ff072e2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x010a4d",
+                    "hash" : "0xf0a1bf85aceb304d54d2e0398193d4f57f09bb0520b2d3ae5145c6e600727ac0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x80490680cced70d64e44d1e4e903084f8d90e763b8a1a5b3f2b9d18d409c58d1",
+                    "stateRoot" : "0x4b2ae0a89c0cab6f71def9ac0c84dd50159b2e7048a9ff78a45846852816ab0e",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x5a8c1324c20347d40a92122eaf27bf923bda58a23536b5a3992c54f41810c170",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x855a24f072d25cbd57932467b551a9ef5738c0835fb6cb7bd5ca8e7e3cd5b5d0",
+                        "s" : "0x4721d86f1e55c1865df66425bf1f83aaf7ac74f6d94080bf8bb1bd71a07582f2",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xf0a1bf85aceb304d54d2e0398193d4f57f09bb0520b2d3ae5145c6e600727ac0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec90a4d",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ef5b3",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d35g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g0v0Filler.json",
-            "sourceHash" : "984d91cdd7630119f2e68a6d4470fb118350c7302a04afa8017e47844d82eeea"
+            "sourceHash" : "5ea117e7612f17c725471eb878cbd1a10a794bc921ce757ed108b77d9ff072e2"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc71a",
-                    "hash" : "0x0cad4d9c46370e1fda4359f65e51e33c8f79ee2212c0c11cee113de3f195f9d7",
-                    "mixHash" : "0x310ad422b5c3177fdd88917de6fc2a31bf115fc5a54edd8efcd91e0d9ef3573e",
-                    "nonce" : "0x593ac03212e2a886",
+                    "hash" : "0x28c1e7df8948ec55bb6a9f1a69856e293dfba792241ce88f3afc5ed14d489f74",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x17058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x5a8c1324c20347d40a92122eaf27bf923bda58a23536b5a3992c54f41810c170",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0cad4d9c46370e1fda4359f65e51e33c8f79ee2212c0c11cee113de3f195f9d7",
+        "lastblockhash" : "0x28c1e7df8948ec55bb6a9f1a69856e293dfba792241ce88f3afc5ed14d489f74",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d35g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g0v0Filler.json",
-            "sourceHash" : "984d91cdd7630119f2e68a6d4470fb118350c7302a04afa8017e47844d82eeea"
+            "sourceHash" : "5ea117e7612f17c725471eb878cbd1a10a794bc921ce757ed108b77d9ff072e2"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc71a",
-                    "hash" : "0x2adcdc9e6b357a0892166171bf0eb9229c08cf79aae91ade3c811a149cd53853",
-                    "mixHash" : "0xaf16b359be994ffd62e6bac13a05379acbc1e00a3089a654943a0542cdba0bd6",
-                    "nonce" : "0x2904966adacbda64",
+                    "hash" : "0x28c1e7df8948ec55bb6a9f1a69856e293dfba792241ce88f3afc5ed14d489f74",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x17058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x5a8c1324c20347d40a92122eaf27bf923bda58a23536b5a3992c54f41810c170",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2adcdc9e6b357a0892166171bf0eb9229c08cf79aae91ade3c811a149cd53853",
+        "lastblockhash" : "0x28c1e7df8948ec55bb6a9f1a69856e293dfba792241ce88f3afc5ed14d489f74",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g1v0.json
index 39846b0b8..f2314e803 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d35g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g1v0Filler.json",
-            "sourceHash" : "607bef03ec9b147995a50738785fea0083e49710587e9b9e6173eb28c3d9c843"
+            "sourceHash" : "fde4b85ceed589193a5b72deac7b1fa4eb164139a8636e2b24b83e586f4d8b1e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x010a4d",
-                    "hash" : "0x760a24b500e5dd2aed51d7335f0e7539599d5e951371cccece2d9f4c5de649ba",
-                    "mixHash" : "0xc4bf3b2798df9bb6fe7fc1298d2a1edd0df1e018b6c97494c09c35c78dd549d9",
-                    "nonce" : "0x4a371ea33fabe36c",
+                    "hash" : "0x086bbed8eb4b7af89b244332135d1c6e3b3329f3065442af1928e319b4f7410e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x80490680cced70d64e44d1e4e903084f8d90e763b8a1a5b3f2b9d18d409c58d1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x595b719c2c622510c3fe852c0304ed0e2b14e198bd2086600fa2eebc86858a1b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x760a24b500e5dd2aed51d7335f0e7539599d5e951371cccece2d9f4c5de649ba",
+        "lastblockhash" : "0x086bbed8eb4b7af89b244332135d1c6e3b3329f3065442af1928e319b4f7410e",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d35g1v0_Constantinople" : {
+        "_info" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+                    "gasUsed" : "0x010a4d",
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+                        "s" : "0x374ce9a58d664ba4cb93e3a70fc812fce644d6105db961b3e2abc198671add66",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
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+                "uncleHeaders" : [
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+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
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+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
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+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0xb8a53b2dc41b8bfd8e204ddd71487f2e7b49655f797ed6245c32fb4bd7c5fe9a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec90a4d",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ef5b3",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d35g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g1v0Filler.json",
-            "sourceHash" : "607bef03ec9b147995a50738785fea0083e49710587e9b9e6173eb28c3d9c843"
+            "sourceHash" : "fde4b85ceed589193a5b72deac7b1fa4eb164139a8636e2b24b83e586f4d8b1e"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc71a",
-                    "hash" : "0xdb61565ff3f175a91c3d223695b330a9a346140f34df343426ee9d267b10f8b3",
-                    "mixHash" : "0x55fc2f72c70ba964902bce6fee296378270d584b349831306d0d0ba8e7df3d41",
-                    "nonce" : "0x05d8b918d44fee94",
+                    "hash" : "0xb8200d3e548d00341972fdc68a35d7c6d3d3deba1e321aee8e36b763ec748832",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x17058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x595b719c2c622510c3fe852c0304ed0e2b14e198bd2086600fa2eebc86858a1b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdb61565ff3f175a91c3d223695b330a9a346140f34df343426ee9d267b10f8b3",
+        "lastblockhash" : "0xb8200d3e548d00341972fdc68a35d7c6d3d3deba1e321aee8e36b763ec748832",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d35g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g1v0Filler.json",
-            "sourceHash" : "607bef03ec9b147995a50738785fea0083e49710587e9b9e6173eb28c3d9c843"
+            "sourceHash" : "fde4b85ceed589193a5b72deac7b1fa4eb164139a8636e2b24b83e586f4d8b1e"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc71a",
-                    "hash" : "0xdb2dfc7e87d30f9de620769bc0c27262acb7a79eb702af409e3ce4306412c3f2",
-                    "mixHash" : "0xc4febceb7a9bce18142359e5ae07f8c6f4597eb2d9ab51a93073e71c7f60cf31",
-                    "nonce" : "0xbb5bbdfe848539b8",
+                    "hash" : "0xb8200d3e548d00341972fdc68a35d7c6d3d3deba1e321aee8e36b763ec748832",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x17058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x595b719c2c622510c3fe852c0304ed0e2b14e198bd2086600fa2eebc86858a1b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdb2dfc7e87d30f9de620769bc0c27262acb7a79eb702af409e3ce4306412c3f2",
+        "lastblockhash" : "0xb8200d3e548d00341972fdc68a35d7c6d3d3deba1e321aee8e36b763ec748832",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g2v0.json
index 5ed3b35d2..8b14a72d0 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d35g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g2v0Filler.json",
-            "sourceHash" : "2eb10e2ff37921c92c4000bd166ef958cb703eafa2272c6dae39529ffb23d37a"
+            "sourceHash" : "eb77a401ac2b1afbfa8ebea5edbe4763676887664a844dceef344f4a438539f2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x010a4d",
-                    "hash" : "0xff22012933801f9105e8c6e44f7f182f35ebf16f1b3712713d55e76820d3b08e",
-                    "mixHash" : "0x6c3f2fbb9006bb895b6be9bd6c2c84fce4be80c70f2978530816d6f4bccedda0",
-                    "nonce" : "0x417b61d474888597",
+                    "hash" : "0x3bd583e9c46340efe1e0916f4c649c4bb1ed50c6d473344a9db08233063a7e77",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x80490680cced70d64e44d1e4e903084f8d90e763b8a1a5b3f2b9d18d409c58d1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xff4fa223f8a6bfcc3bf9578108f86adaddf2008b766c7493a51f03da6fe3dca4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xff22012933801f9105e8c6e44f7f182f35ebf16f1b3712713d55e76820d3b08e",
+        "lastblockhash" : "0x3bd583e9c46340efe1e0916f4c649c4bb1ed50c6d473344a9db08233063a7e77",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d35g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g2v0Filler.json",
+            "sourceHash" : "eb77a401ac2b1afbfa8ebea5edbe4763676887664a844dceef344f4a438539f2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x010a4d",
+                    "hash" : "0x8a6ac7428b28559a851510eaf88999ea300f08d0f569a7863fcca9bc4da072ec",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x80490680cced70d64e44d1e4e903084f8d90e763b8a1a5b3f2b9d18d409c58d1",
+                    "stateRoot" : "0x4b2ae0a89c0cab6f71def9ac0c84dd50159b2e7048a9ff78a45846852816ab0e",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xff4fa223f8a6bfcc3bf9578108f86adaddf2008b766c7493a51f03da6fe3dca4",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf902f7f901faa070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa04b2ae0a89c0cab6f71def9ac0c84dd50159b2e7048a9ff78a45846852816ab0ea0ff4fa223f8a6bfcc3bf9578108f86adaddf2008b766c7493a51f03da6fe3dca4a080490680cced70d64e44d1e4e903084f8d90e763b8a1a5b3f2b9d18d409c58d1b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40083010a4d8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8f7f8f580018301adb094100000000000000000000000000000000000000080b8940000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d1ca0dc668bd9da0590a4da23787574005c391d5ee13bef5aeb3ca7f3a670854f58f9a021c17718c1a6f0a288b64574dbf35092c94f51dac9eb936c81fb7b2c16b4c80bc0",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xdc668bd9da0590a4da23787574005c391d5ee13bef5aeb3ca7f3a670854f58f9",
+                        "s" : "0x21c17718c1a6f0a288b64574dbf35092c94f51dac9eb936c81fb7b2c16b4c80b",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x8a6ac7428b28559a851510eaf88999ea300f08d0f569a7863fcca9bc4da072ec",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec90a4d",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ef5b3",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d35g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g2v0Filler.json",
-            "sourceHash" : "2eb10e2ff37921c92c4000bd166ef958cb703eafa2272c6dae39529ffb23d37a"
+            "sourceHash" : "eb77a401ac2b1afbfa8ebea5edbe4763676887664a844dceef344f4a438539f2"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc71a",
-                    "hash" : "0x543d4ee7786306118fc528e4e96caec16d00d9f5636dbf224970cf1e065a9006",
-                    "mixHash" : "0x21ce31850e129bad02a1a483f02c30658b66d81e17c3a038358db6e8afc7d019",
-                    "nonce" : "0x72e5a6ec077fd44c",
+                    "hash" : "0xc95b967b18815d3f78ad2b8c9bc941184d9fbc1f6787baa4d2dc9267054be3c9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x17058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xff4fa223f8a6bfcc3bf9578108f86adaddf2008b766c7493a51f03da6fe3dca4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x543d4ee7786306118fc528e4e96caec16d00d9f5636dbf224970cf1e065a9006",
+        "lastblockhash" : "0xc95b967b18815d3f78ad2b8c9bc941184d9fbc1f6787baa4d2dc9267054be3c9",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d35g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g2v0Filler.json",
-            "sourceHash" : "2eb10e2ff37921c92c4000bd166ef958cb703eafa2272c6dae39529ffb23d37a"
+            "sourceHash" : "eb77a401ac2b1afbfa8ebea5edbe4763676887664a844dceef344f4a438539f2"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc71a",
-                    "hash" : "0x8a726029d82697919ed836002454b0af1e56e4a78b5564138410edfb194071b1",
-                    "mixHash" : "0xa555e82736412f15b353f838a0844de2050923614cef39777a56c5f69fc046f9",
-                    "nonce" : "0xcb8675590f1cb53e",
+                    "hash" : "0xc95b967b18815d3f78ad2b8c9bc941184d9fbc1f6787baa4d2dc9267054be3c9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x17058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xff4fa223f8a6bfcc3bf9578108f86adaddf2008b766c7493a51f03da6fe3dca4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902f6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa025f7bc0c1802f9ce29f7cb7e79878360cb41925f642a848ccf5607d4ca1e62f0a0ff4fa223f8a6bfcc3bf9578108f86adaddf2008b766c7493a51f03da6fe3dca4a017058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082c71a8203e880a0a555e82736412f15b353f838a0844de2050923614cef39777a56c5f69fc046f988cb8675590f1cb53ef8f7f8f580018301adb094100000000000000000000000000000000000000080b8940000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d1ca0dc668bd9da0590a4da23787574005c391d5ee13bef5aeb3ca7f3a670854f58f9a021c17718c1a6f0a288b64574dbf35092c94f51dac9eb936c81fb7b2c16b4c80bc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x8a726029d82697919ed836002454b0af1e56e4a78b5564138410edfb194071b1",
+        "lastblockhash" : "0xc95b967b18815d3f78ad2b8c9bc941184d9fbc1f6787baa4d2dc9267054be3c9",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g3v0.json
index c1497c637..2387102e4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d35g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d35g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g3v0Filler.json",
-            "sourceHash" : "1567e57c6973482b853c5b7a015b435a7356590127ab6c40d873f6ceb1feb422"
+            "sourceHash" : "b797f7c9f4e6ad78163ffe32074d38cde68030e0922e3f5282e76a4480b46c38"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0x010a4d",
-                    "hash" : "0x4109411da74196de94779be98e8d79672b94623d6912f078fcd5c3aa3ea1a338",
-                    "mixHash" : "0x497f8cc8325deee09a52ff70f1052257ec69062f5910bf3e9d46bc43bf42e5f4",
-                    "nonce" : "0xe0931d75f29a14ef",
+                    "hash" : "0x8d63e120b08bb22f5d1c1c70c6d64ca854d1e778e9a3624bdba7bdd05da54681",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x80490680cced70d64e44d1e4e903084f8d90e763b8a1a5b3f2b9d18d409c58d1",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x95f88be8d6df034c9a77ed1088501dda35eda8332285255ed064ce62497402d2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4109411da74196de94779be98e8d79672b94623d6912f078fcd5c3aa3ea1a338",
+        "lastblockhash" : "0x8d63e120b08bb22f5d1c1c70c6d64ca854d1e778e9a3624bdba7bdd05da54681",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d35g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g3v0Filler.json",
+            "sourceHash" : "b797f7c9f4e6ad78163ffe32074d38cde68030e0922e3f5282e76a4480b46c38"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0x010a4d",
+                    "hash" : "0x312702ed642fde0b0d9e12759cdb7a1f7f9be95902eff661ad9c5b40d09ee5d6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x80490680cced70d64e44d1e4e903084f8d90e763b8a1a5b3f2b9d18d409c58d1",
+                    "stateRoot" : "0x4b2ae0a89c0cab6f71def9ac0c84dd50159b2e7048a9ff78a45846852816ab0e",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x95f88be8d6df034c9a77ed1088501dda35eda8332285255ed064ce62497402d2",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x89f3ca27dd23773a05955eabbcbd7671e55d89cad488c1f577efa26470f0a13a",
+                        "s" : "0x4de385c8de9189627dfc96e3cccbe8b060f68d7f20ab6c453dbb511c89e819f5",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x312702ed642fde0b0d9e12759cdb7a1f7f9be95902eff661ad9c5b40d09ee5d6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x010000000000000000000000000000"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec90a4d",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9ef5b3",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d35g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g3v0Filler.json",
-            "sourceHash" : "1567e57c6973482b853c5b7a015b435a7356590127ab6c40d873f6ceb1feb422"
+            "sourceHash" : "b797f7c9f4e6ad78163ffe32074d38cde68030e0922e3f5282e76a4480b46c38"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc71a",
-                    "hash" : "0x41f41ed609f9b71ff52eec5dbd6c636d6511fac7bcf8e5b1f6499e26ec66615b",
-                    "mixHash" : "0xd755b055679f0697f4392f095d1c42d1e558234e5ff1d3abcf6cf2277e829bac",
-                    "nonce" : "0x122645a564fd9128",
+                    "hash" : "0x9969e45f182a803efcd6238040fe8937c8bc58fe9baa875764d215c456db1cb2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x17058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x95f88be8d6df034c9a77ed1088501dda35eda8332285255ed064ce62497402d2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x41f41ed609f9b71ff52eec5dbd6c636d6511fac7bcf8e5b1f6499e26ec66615b",
+        "lastblockhash" : "0x9969e45f182a803efcd6238040fe8937c8bc58fe9baa875764d215c456db1cb2",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d35g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d35g3v0Filler.json",
-            "sourceHash" : "1567e57c6973482b853c5b7a015b435a7356590127ab6c40d873f6ceb1feb422"
+            "sourceHash" : "b797f7c9f4e6ad78163ffe32074d38cde68030e0922e3f5282e76a4480b46c38"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xc71a",
-                    "hash" : "0x81be8185ff35c70d398f1935405ef09cd0a3e98678379b7bc3b01414c242db8f",
-                    "mixHash" : "0x0fdfa5276b69255259356e2f7fbb15f2dc780feb812f9e048ef4bf3a7c4dbda2",
-                    "nonce" : "0xa7bdee67cbc8ae7a",
+                    "hash" : "0x9969e45f182a803efcd6238040fe8937c8bc58fe9baa875764d215c456db1cb2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x17058af26182057e55735a68f9368475d49c3992cc12d100802ca412e41c9de9",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x95f88be8d6df034c9a77ed1088501dda35eda8332285255ed064ce62497402d2",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001200000000000000000000000000000000000000000000000000000000000000120785e45de3d6be050ba3c4d33ff0bb2d010ace3b1dfe9c49f4c7a8075102fa19a86c010ace3b1dfe9c49f4c7a8075102fa19a86d",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x81be8185ff35c70d398f1935405ef09cd0a3e98678379b7bc3b01414c242db8f",
+        "lastblockhash" : "0x9969e45f182a803efcd6238040fe8937c8bc58fe9baa875764d215c456db1cb2",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g0v0.json
index 965af38cf..538599302 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d36g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d36g0v0Filler.json",
-            "sourceHash" : "b4d9d3eb8a1157748a83b3b813ceda98d2b3538bb018537ca0b8fb654b458e4d"
+            "sourceHash" : "c4110422311dd08633067e3bf56231ee62015567309cac337516092a8f5d68a6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb984",
-                    "hash" : "0x48a6c088fba251cb2fa077786a1bc541b4cc83fa6652c6752ec13261930e8efc",
-                    "mixHash" : "0x2cd18163ceae94a3f46f36d2f9794b98928c77614cdfd18467269ff3b4fd4da1",
-                    "nonce" : "0x49d6251b6331da19",
+                    "hash" : "0x2638129a6fb9023572ddf5f0b824a47be319540f4830b7d6a096f47a1b79d59c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xa50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xd11e0a802f481419a97cc486e896445e39ba88e9ab6723e82b8180e0c23a64e4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000ff2a1e5300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x48a6c088fba251cb2fa077786a1bc541b4cc83fa6652c6752ec13261930e8efc",
+        "lastblockhash" : "0x2638129a6fb9023572ddf5f0b824a47be319540f4830b7d6a096f47a1b79d59c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d36g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d36g0v0Filler.json",
-            "sourceHash" : "b4d9d3eb8a1157748a83b3b813ceda98d2b3538bb018537ca0b8fb654b458e4d"
+            "sourceHash" : "c4110422311dd08633067e3bf56231ee62015567309cac337516092a8f5d68a6"
         },
         "blocks" : [
             {
@@ -124,9 +125,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb984",
-                    "hash" : "0xeb51a6bb48dbcbfdb1de1c887bdf0595e36646a1e3ee3d5ee42829e35a3d23ea",
-                    "mixHash" : "0xc3591d59262c71e6d1be2141a9894b4a0300a3ab80bed24d4a83c5bb85caf4d4",
-                    "nonce" : "0xa3088dc49c72945b",
+                    "hash" : "0x2638129a6fb9023572ddf5f0b824a47be319540f4830b7d6a096f47a1b79d59c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xa50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288a",
@@ -135,7 +136,7 @@
                     "transactionsTrie" : "0xd11e0a802f481419a97cc486e896445e39ba88e9ab6723e82b8180e0c23a64e4",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000ff2a1e5300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -172,7 +173,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xeb51a6bb48dbcbfdb1de1c887bdf0595e36646a1e3ee3d5ee42829e35a3d23ea",
+        "lastblockhash" : "0x2638129a6fb9023572ddf5f0b824a47be319540f4830b7d6a096f47a1b79d59c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,6 +214,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g1v0.json
index 1d37a9354..a2382516e 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d36g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d36g1v0Filler.json",
-            "sourceHash" : "422e6d0ba9c4cbfe4efb8c05c845f4f8b4d12bd8f744f7a1df2dfbe4733de62f"
+            "sourceHash" : "e2960ccc0824f4f6131f7e8da7e55e0cbda18843a93eb5e265a6e36ffb25c656"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb984",
-                    "hash" : "0x17addbbb937203f61256b18cb4318160efa32d2dc8a06f4fd219fec265ddc157",
-                    "mixHash" : "0x70ebaee73d5e0b1a5e4103b6193e0ac88883098ff34f08f9f232511a6aa163b1",
-                    "nonce" : "0xe02cdd6f6e847191",
+                    "hash" : "0xaca343a88752f3255bce73d05a1df3ba63d140b344f4dd833f09125a6f639e07",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xa50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x2d0d3b763dee05a3ee9c75a048c2ed1cf0bdb921e6c68091106dc987a31219e7",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000ff2a1e5300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x17addbbb937203f61256b18cb4318160efa32d2dc8a06f4fd219fec265ddc157",
+        "lastblockhash" : "0xaca343a88752f3255bce73d05a1df3ba63d140b344f4dd833f09125a6f639e07",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d36g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d36g1v0Filler.json",
-            "sourceHash" : "422e6d0ba9c4cbfe4efb8c05c845f4f8b4d12bd8f744f7a1df2dfbe4733de62f"
+            "sourceHash" : "e2960ccc0824f4f6131f7e8da7e55e0cbda18843a93eb5e265a6e36ffb25c656"
         },
         "blocks" : [
             {
@@ -124,9 +125,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb984",
-                    "hash" : "0xc592858054821ef62308c605b77886bc8a2e32512133eeebd0d7988d9c71e2d5",
-                    "mixHash" : "0x0ece56bbb941976309fb2ed30d29af850611da399b9865fd5aceb11440f1a164",
-                    "nonce" : "0x8b242b4b6a8698b7",
+                    "hash" : "0xaca343a88752f3255bce73d05a1df3ba63d140b344f4dd833f09125a6f639e07",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xa50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288a",
@@ -135,7 +136,7 @@
                     "transactionsTrie" : "0x2d0d3b763dee05a3ee9c75a048c2ed1cf0bdb921e6c68091106dc987a31219e7",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000ff2a1e5300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -172,7 +173,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc592858054821ef62308c605b77886bc8a2e32512133eeebd0d7988d9c71e2d5",
+        "lastblockhash" : "0xaca343a88752f3255bce73d05a1df3ba63d140b344f4dd833f09125a6f639e07",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,6 +214,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g2v0.json
index 9d279f65f..ac1bf223b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d36g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d36g2v0Filler.json",
-            "sourceHash" : "9a36bb93810607bae50735959f5d428fa3d849d2cab6f5ddbffd4e971fdde017"
+            "sourceHash" : "3020717d5de985d4d58a7cccf333e284ed0c4e116843dbeb6e238c9f3d0dbde2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb984",
-                    "hash" : "0xf0045489914cd8c336b96366bc03ea0a7872b41de50fededfc8d02439fefa455",
-                    "mixHash" : "0x877aaad538fe58a93b961c2a5ae1432859870404f674e6a663c63d9d32b2aff5",
-                    "nonce" : "0x9e1c4773d5a04c95",
+                    "hash" : "0xb11a16729914421b83d3b2564c65ff946dde5b96c23609d3cd238890f5b9b0b3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xa50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x2f576d3cd455d74b4664f51629b0d08513738e223fa1758d7a64cb5988986505",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000ff2a1e5300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf0045489914cd8c336b96366bc03ea0a7872b41de50fededfc8d02439fefa455",
+        "lastblockhash" : "0xb11a16729914421b83d3b2564c65ff946dde5b96c23609d3cd238890f5b9b0b3",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d36g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d36g2v0Filler.json",
-            "sourceHash" : "9a36bb93810607bae50735959f5d428fa3d849d2cab6f5ddbffd4e971fdde017"
+            "sourceHash" : "3020717d5de985d4d58a7cccf333e284ed0c4e116843dbeb6e238c9f3d0dbde2"
         },
         "blocks" : [
             {
@@ -124,9 +125,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb984",
-                    "hash" : "0x48185cb251825a94840120228aecae874fe8375617a7f2f52c2faf956fbb57a9",
-                    "mixHash" : "0x213061b6d3e504f277b4fe63a514c1b7eac8c886ed1cb8798e8b56892485e2e4",
-                    "nonce" : "0x45f01102ca4c81e5",
+                    "hash" : "0xb11a16729914421b83d3b2564c65ff946dde5b96c23609d3cd238890f5b9b0b3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xa50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288a",
@@ -135,7 +136,7 @@
                     "transactionsTrie" : "0x2f576d3cd455d74b4664f51629b0d08513738e223fa1758d7a64cb5988986505",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000ff2a1e5300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -172,7 +173,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x48185cb251825a94840120228aecae874fe8375617a7f2f52c2faf956fbb57a9",
+        "lastblockhash" : "0xb11a16729914421b83d3b2564c65ff946dde5b96c23609d3cd238890f5b9b0b3",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,6 +214,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g3v0.json
index ba72e6d53..9ff4c49d3 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d36g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d36g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d36g3v0Filler.json",
-            "sourceHash" : "62db3d1160195747681cde0bc333d5d0fad34e86039272ab4cf75e59e69e083d"
+            "sourceHash" : "447578e4b4413736f1b8033c571ec112db996fcaeff3e3aca9162dba8d3b235e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb984",
-                    "hash" : "0xeec8eaa2caa0406a1cf7b8885d6b7bf4215d10d3e60c22d7c42857f8d927d792",
-                    "mixHash" : "0xc084722384f212202d598eaacaf3ac54355412624cb2ec0044b3e09ae790e706",
-                    "nonce" : "0x31025611e618e3ba",
+                    "hash" : "0x77253e19636de313fb1954f3dd0b200010a8f9165d60bb6138ba6ec71d965d03",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xa50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288a",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xcf4b5f563c2203733f1fe18b32c6a752988e588b7956eabd54c9e0b54ea6f152",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000ff2a1e5300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xeec8eaa2caa0406a1cf7b8885d6b7bf4215d10d3e60c22d7c42857f8d927d792",
+        "lastblockhash" : "0x77253e19636de313fb1954f3dd0b200010a8f9165d60bb6138ba6ec71d965d03",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d36g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d36g3v0Filler.json",
-            "sourceHash" : "62db3d1160195747681cde0bc333d5d0fad34e86039272ab4cf75e59e69e083d"
+            "sourceHash" : "447578e4b4413736f1b8033c571ec112db996fcaeff3e3aca9162dba8d3b235e"
         },
         "blocks" : [
             {
@@ -124,9 +125,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb984",
-                    "hash" : "0x01062962b7fc87f13613dadace804f867362829771733b331ae13961478638bd",
-                    "mixHash" : "0x30a7c93cbc7512d73e15abdd26d209a0b227a53ebd996ea059b14cf876c0132e",
-                    "nonce" : "0x0760e01ab1af2159",
+                    "hash" : "0x77253e19636de313fb1954f3dd0b200010a8f9165d60bb6138ba6ec71d965d03",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xa50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288a",
@@ -135,7 +136,7 @@
                     "transactionsTrie" : "0xcf4b5f563c2203733f1fe18b32c6a752988e588b7956eabd54c9e0b54ea6f152",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c2f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0ff30daf75f98519baeae0d478b1d16e140f0b72b054ec0e1ef0e54bdec5100a4a0cf4b5f563c2203733f1fe18b32c6a752988e588b7956eabd54c9e0b54ea6f152a0a50f515e2263da2dd0adfde8e956457223782a9e526d774d08e3a0c8ae9b288ab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9848203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c3f8c1800183030d4094100000000000000000000000000000000000000080b86000000000000000000000000000000000000000000000000000000000000000ff2a1e53000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001ca08e6007618a220034b7c376cb86f04a6ed14247ec55664b2a3ce90c7304516864a0563fb96f53a931a8dceb6e62f23a5a49627d296562397dc9810853496fde0e3ac0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000ff2a1e5300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
@@ -172,7 +173,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x01062962b7fc87f13613dadace804f867362829771733b331ae13961478638bd",
+        "lastblockhash" : "0x77253e19636de313fb1954f3dd0b200010a8f9165d60bb6138ba6ec71d965d03",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,6 +214,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g0v0.json
index f14245bbe..5a537430a 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d3g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g0v0Filler.json",
-            "sourceHash" : "7fe8771742db0de754fdb0ab4cb9ebdac985f820edd75f8689a5de5da01f11e4"
+            "sourceHash" : "02f95151ceef667dd6d8a572cdec01020fe252c07bdbaa43737ceb7718786035"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf8b2",
-                    "hash" : "0xc8d90dbb13114bdb4e1fb268d547b3310a3b12e0f85d9ef3f318b4dad0db5d05",
-                    "mixHash" : "0xe996a1e3a27f3ffa5207405730b7681ad5d5fc9da27f72a267af35764d94e4de",
-                    "nonce" : "0x7bcf88a621f7bbb4",
+                    "hash" : "0xbdf0f4504b619bec5db4f122a7e99bd83f9b6fbba13c8bf4740a0701107a2c7a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9d503bb90653c6fd8d0ef0085376e6dac875af0049cfc9c010ce89ad8cf97e0d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xdca0c49aef9149f72e76c411b992030ede4bf17be9e1eb3ba5de93074e0b0a99",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc8d90dbb13114bdb4e1fb268d547b3310a3b12e0f85d9ef3f318b4dad0db5d05",
+        "lastblockhash" : "0xbdf0f4504b619bec5db4f122a7e99bd83f9b6fbba13c8bf4740a0701107a2c7a",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d3g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g0v0Filler.json",
+            "sourceHash" : "02f95151ceef667dd6d8a572cdec01020fe252c07bdbaa43737ceb7718786035"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf8b2",
+                    "hash" : "0x6e2f975a8c2ecf3673842fb0d622cfdf147c9852df3d877e3569e99067f2f5af",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x9d503bb90653c6fd8d0ef0085376e6dac875af0049cfc9c010ce89ad8cf97e0d",
+                    "stateRoot" : "0x2dc93058b200c8eab1169843400edb4c2628a7fc6761d18117b64fccabe3ad27",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xdca0c49aef9149f72e76c411b992030ede4bf17be9e1eb3ba5de93074e0b0a99",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xf09c36ec0b88a711947c86a243253f54db4238dcb1f4761b4c62d65235049e5f",
+                        "s" : "0x6d5583854633dde8ea8162ff551996dac4ca2542313c4facfa450b1651b97d0e",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x6e2f975a8c2ecf3673842fb0d622cfdf147c9852df3d877e3569e99067f2f5af",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x3b01b01ac41f2d6e917c6d6a221ce793802469026d9ab7578fa2e79e4da6aaab"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f8b2",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f074e",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d3g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g0v0Filler.json",
-            "sourceHash" : "7fe8771742db0de754fdb0ab4cb9ebdac985f820edd75f8689a5de5da01f11e4"
+            "sourceHash" : "02f95151ceef667dd6d8a572cdec01020fe252c07bdbaa43737ceb7718786035"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbb1a",
-                    "hash" : "0xbb41df6c8b287120511836184e72d2256fd9e7105a2c8c12143319cef922f6f0",
-                    "mixHash" : "0x2745aaf47f9479529fa7764731b68500b3add7c10abde1411b5b38de2367d742",
-                    "nonce" : "0xcd5aa96d0c950aaa",
+                    "hash" : "0xaf0a5cab5839d28b2ed6ad26d53a4a49359598d4d03820412d65c39e337debc6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xb9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xdca0c49aef9149f72e76c411b992030ede4bf17be9e1eb3ba5de93074e0b0a99",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbb41df6c8b287120511836184e72d2256fd9e7105a2c8c12143319cef922f6f0",
+        "lastblockhash" : "0xaf0a5cab5839d28b2ed6ad26d53a4a49359598d4d03820412d65c39e337debc6",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d3g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g0v0Filler.json",
-            "sourceHash" : "7fe8771742db0de754fdb0ab4cb9ebdac985f820edd75f8689a5de5da01f11e4"
+            "sourceHash" : "02f95151ceef667dd6d8a572cdec01020fe252c07bdbaa43737ceb7718786035"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbb1a",
-                    "hash" : "0xc3432f0ce5459d38c358a5da8eba68a29338e8569a71ed44c5075c9256c35fed",
-                    "mixHash" : "0x8dff7e751c9341ce569096c24e0c3078c19da26d71233a313cc2116ec2687ec6",
-                    "nonce" : "0xe13793e788d3acdb",
+                    "hash" : "0xaf0a5cab5839d28b2ed6ad26d53a4a49359598d4d03820412d65c39e337debc6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xb9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xdca0c49aef9149f72e76c411b992030ede4bf17be9e1eb3ba5de93074e0b0a99",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc3432f0ce5459d38c358a5da8eba68a29338e8569a71ed44c5075c9256c35fed",
+        "lastblockhash" : "0xaf0a5cab5839d28b2ed6ad26d53a4a49359598d4d03820412d65c39e337debc6",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g1v0.json
index e7f0224c0..bf6f4dfa2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d3g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g1v0Filler.json",
-            "sourceHash" : "7812b14efb4b40326c9145b62dfb6fcc3748211b2b81294c2f146258454ceb3c"
+            "sourceHash" : "db9631e3ceec872ed69c03e88ac937877b2c9da3adff7d71951563a8ba8e6a73"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf8b2",
-                    "hash" : "0xbb36a0528cc00a2e5eee915f6d69a584f3ca02104ec0666dfe769e768dab55c8",
-                    "mixHash" : "0xdef1689a0b94d61c3438d49ba33e0f2a6ea78ac6a3cdd49531226884b3947d31",
-                    "nonce" : "0xb99e642ad39c0410",
+                    "hash" : "0xcbf687f79b9470ec58a1e387801f252e6d282b8678160b10ef8de951119b672b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9d503bb90653c6fd8d0ef0085376e6dac875af0049cfc9c010ce89ad8cf97e0d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9cccffec1dfee87b99a14c9d84c3cf72e3628471fab0871fd1203ebc5bbec524",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbb36a0528cc00a2e5eee915f6d69a584f3ca02104ec0666dfe769e768dab55c8",
+        "lastblockhash" : "0xcbf687f79b9470ec58a1e387801f252e6d282b8678160b10ef8de951119b672b",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d3g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g1v0Filler.json",
+            "sourceHash" : "db9631e3ceec872ed69c03e88ac937877b2c9da3adff7d71951563a8ba8e6a73"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf8b2",
+                    "hash" : "0x721d081ce45de9de0a9772f2788332c75dc85c12c7275d8fc7c3e81a973a132a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x9d503bb90653c6fd8d0ef0085376e6dac875af0049cfc9c010ce89ad8cf97e0d",
+                    "stateRoot" : "0x2dc93058b200c8eab1169843400edb4c2628a7fc6761d18117b64fccabe3ad27",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x9cccffec1dfee87b99a14c9d84c3cf72e3628471fab0871fd1203ebc5bbec524",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x85d761b97726b434c46e9cc8657ca72974ab3affd64a5d03034b09e6775314af",
+                        "s" : "0x71d227b093c4ca553d5aaac40cd8b1d3e3340f6a1aec09e81ee02ad76ec5d26a",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x721d081ce45de9de0a9772f2788332c75dc85c12c7275d8fc7c3e81a973a132a",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x3b01b01ac41f2d6e917c6d6a221ce793802469026d9ab7578fa2e79e4da6aaab"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f8b2",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f074e",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d3g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g1v0Filler.json",
-            "sourceHash" : "7812b14efb4b40326c9145b62dfb6fcc3748211b2b81294c2f146258454ceb3c"
+            "sourceHash" : "db9631e3ceec872ed69c03e88ac937877b2c9da3adff7d71951563a8ba8e6a73"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbb1a",
-                    "hash" : "0x0d709bd7b9a8714d3b0f20d6168499032bf97d0c7c0f5d0c083935da255b3301",
-                    "mixHash" : "0x707d0e70967a1d631249b3e2e492472f9085ce4bef332eb985c274d35d45d39e",
-                    "nonce" : "0x73a7dffadd8d0a85",
+                    "hash" : "0xfb613c7bfbc365ff81bd6ed1101219c78b6b19b94fcb4e49740449277a272913",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xb9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x9cccffec1dfee87b99a14c9d84c3cf72e3628471fab0871fd1203ebc5bbec524",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0d709bd7b9a8714d3b0f20d6168499032bf97d0c7c0f5d0c083935da255b3301",
+        "lastblockhash" : "0xfb613c7bfbc365ff81bd6ed1101219c78b6b19b94fcb4e49740449277a272913",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d3g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g1v0Filler.json",
-            "sourceHash" : "7812b14efb4b40326c9145b62dfb6fcc3748211b2b81294c2f146258454ceb3c"
+            "sourceHash" : "db9631e3ceec872ed69c03e88ac937877b2c9da3adff7d71951563a8ba8e6a73"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbb1a",
-                    "hash" : "0xf44d7f289464cbee9f69a315e459bb9d24856f01dbe939535670620b9debdfee",
-                    "mixHash" : "0xe447a4d6585378408f59c880b4e7652d0c1573701b06c8817ba52e7bbaa2459a",
-                    "nonce" : "0x1cbe196f8d4c4283",
+                    "hash" : "0xfb613c7bfbc365ff81bd6ed1101219c78b6b19b94fcb4e49740449277a272913",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xb9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x9cccffec1dfee87b99a14c9d84c3cf72e3628471fab0871fd1203ebc5bbec524",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf44d7f289464cbee9f69a315e459bb9d24856f01dbe939535670620b9debdfee",
+        "lastblockhash" : "0xfb613c7bfbc365ff81bd6ed1101219c78b6b19b94fcb4e49740449277a272913",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g2v0.json
index 80b872ec9..e3f2c5eb9 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d3g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g2v0Filler.json",
-            "sourceHash" : "d07f3ee58d2a26e362c99bf16655258bf30ed6a7e5a51f477bbba75b87700120"
+            "sourceHash" : "fa3ba7fcd3db74f9873429a6529dc64c63de3d0c7ace0a798591c0a5727025cd"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf8b2",
-                    "hash" : "0xd362565d5be2462a8a0cff0152f28cbb0aa3d757a2779e216152200339e7bf7f",
-                    "mixHash" : "0x4f6317c38d6663d166a8289cf5d08aa6b1e2ff9edf61d4bf037357a4db77aa62",
-                    "nonce" : "0xf56bf3f8583456bc",
+                    "hash" : "0x4ebcf40ead7ee28c30d28bb600f49a23f425aa1796e254c611b374a7e9de44fe",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9d503bb90653c6fd8d0ef0085376e6dac875af0049cfc9c010ce89ad8cf97e0d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xa8ba5259d9b8f08d65945a6f3d3326d99f9b4b908602eb50c7affeb751b67317",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd362565d5be2462a8a0cff0152f28cbb0aa3d757a2779e216152200339e7bf7f",
+        "lastblockhash" : "0x4ebcf40ead7ee28c30d28bb600f49a23f425aa1796e254c611b374a7e9de44fe",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d3g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g2v0Filler.json",
+            "sourceHash" : "fa3ba7fcd3db74f9873429a6529dc64c63de3d0c7ace0a798591c0a5727025cd"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf8b2",
+                    "hash" : "0x4795fd2727de3c72b997bbdb020d844b7347c4aacc6ae2600e249387e133313c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x9d503bb90653c6fd8d0ef0085376e6dac875af0049cfc9c010ce89ad8cf97e0d",
+                    "stateRoot" : "0x2dc93058b200c8eab1169843400edb4c2628a7fc6761d18117b64fccabe3ad27",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xa8ba5259d9b8f08d65945a6f3d3326d99f9b4b908602eb50c7affeb751b67317",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xfbbdd8e146397ef46b08b16d98aa84175d449c6d185df3b6d34c3b9304e6eee9",
+                        "s" : "0x4b98523ab42bbcae70d66a4560f2fc9ab58efd51191133a1fba3f5ec14f85231",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x4795fd2727de3c72b997bbdb020d844b7347c4aacc6ae2600e249387e133313c",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x3b01b01ac41f2d6e917c6d6a221ce793802469026d9ab7578fa2e79e4da6aaab"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f8b2",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f074e",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d3g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g2v0Filler.json",
-            "sourceHash" : "d07f3ee58d2a26e362c99bf16655258bf30ed6a7e5a51f477bbba75b87700120"
+            "sourceHash" : "fa3ba7fcd3db74f9873429a6529dc64c63de3d0c7ace0a798591c0a5727025cd"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbb1a",
-                    "hash" : "0x5bc867442157dab18884c6c62a512e737290a32ef6556ba939f709e9e4a388d3",
-                    "mixHash" : "0xd09e5bdb9f504ec37c15ffe8a9f33778a1fa4863231b05f4a44cd6c60a47298e",
-                    "nonce" : "0x438a011b8cee7b6e",
+                    "hash" : "0x7da4622ec39203474cea74b51a8ed746bbd6fa25661aceded4778565b46abb82",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xb9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xa8ba5259d9b8f08d65945a6f3d3326d99f9b4b908602eb50c7affeb751b67317",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902e6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0c840aff87d09a85a352efaf8a24252d712c2fc776377fe646959a824328ebe9fa0a8ba5259d9b8f08d65945a6f3d3326d99f9b4b908602eb50c7affeb751b67317a0b9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082bb1a8203e880a0d09e5bdb9f504ec37c15ffe8a9f33778a1fa4863231b05f4a44cd6c60a47298e88438a011b8cee7b6ef8e7f8e580018301adb094100000000000000000000000000000000000000080b88400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff8000000000000000000000000000000000000000000000000000000000000000071ba0fbbdd8e146397ef46b08b16d98aa84175d449c6d185df3b6d34c3b9304e6eee9a04b98523ab42bbcae70d66a4560f2fc9ab58efd51191133a1fba3f5ec14f85231c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5bc867442157dab18884c6c62a512e737290a32ef6556ba939f709e9e4a388d3",
+        "lastblockhash" : "0x7da4622ec39203474cea74b51a8ed746bbd6fa25661aceded4778565b46abb82",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d3g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g2v0Filler.json",
-            "sourceHash" : "d07f3ee58d2a26e362c99bf16655258bf30ed6a7e5a51f477bbba75b87700120"
+            "sourceHash" : "fa3ba7fcd3db74f9873429a6529dc64c63de3d0c7ace0a798591c0a5727025cd"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbb1a",
-                    "hash" : "0xcd355818b5a8277cd9ca00bd719d6e47e657e9c0e4544440bd97ebb8f5ec954d",
-                    "mixHash" : "0x3a80cb3c2979a729ca37df86dc8b8c85a23b1a74e846a8f8437b48a79e8b8a03",
-                    "nonce" : "0x9c21ad07ea49b817",
+                    "hash" : "0x7da4622ec39203474cea74b51a8ed746bbd6fa25661aceded4778565b46abb82",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xb9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xa8ba5259d9b8f08d65945a6f3d3326d99f9b4b908602eb50c7affeb751b67317",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcd355818b5a8277cd9ca00bd719d6e47e657e9c0e4544440bd97ebb8f5ec954d",
+        "lastblockhash" : "0x7da4622ec39203474cea74b51a8ed746bbd6fa25661aceded4778565b46abb82",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g3v0.json
index d3edd83a8..eb5546380 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d3g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d3g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g3v0Filler.json",
-            "sourceHash" : "ec0492a0f0b9c5f9122942b627b7e8aafc67236e920adde62341b8fd34e24867"
+            "sourceHash" : "351bf8dc21437ec97e2a974028d32e79efcc79d73bb45b990659c5e484b8d311"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf8b2",
-                    "hash" : "0xc164b025c24762b889ec2fde2ec77ce2c9b91389b74db61a9d7bb781aa5d279a",
-                    "mixHash" : "0xf9ef472ab0d6b35562f298874d85e771afbc02c7c1e752cc177f23d96c613590",
-                    "nonce" : "0x624cd65929bf906e",
+                    "hash" : "0xb855fc2ea69ff913058a2858dc04ed5fd1779a97f59289eeefee6c36d35b1ac9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x9d503bb90653c6fd8d0ef0085376e6dac875af0049cfc9c010ce89ad8cf97e0d",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x1897eabb3785d6863150cebed1488159d248db87d79b5664195fc580cf75c270",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc164b025c24762b889ec2fde2ec77ce2c9b91389b74db61a9d7bb781aa5d279a",
+        "lastblockhash" : "0xb855fc2ea69ff913058a2858dc04ed5fd1779a97f59289eeefee6c36d35b1ac9",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d3g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g3v0Filler.json",
+            "sourceHash" : "351bf8dc21437ec97e2a974028d32e79efcc79d73bb45b990659c5e484b8d311"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf8b2",
+                    "hash" : "0xd1313349d024db75c87b3cb568cbff12f7e58c9f6d862d7e4c6f9eae99c99e32",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x9d503bb90653c6fd8d0ef0085376e6dac875af0049cfc9c010ce89ad8cf97e0d",
+                    "stateRoot" : "0x2dc93058b200c8eab1169843400edb4c2628a7fc6761d18117b64fccabe3ad27",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x1897eabb3785d6863150cebed1488159d248db87d79b5664195fc580cf75c270",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xb1a892bf456c1ff1f73369584b0eef4209f080302911d37b6d424f0e3b2a6e88",
+                        "s" : "0x4150d03d667884ae7106a8a3e2b3d1d6684bce3c23486f6455a88ea683148401",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd1313349d024db75c87b3cb568cbff12f7e58c9f6d862d7e4c6f9eae99c99e32",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x3b01b01ac41f2d6e917c6d6a221ce793802469026d9ab7578fa2e79e4da6aaab"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f8b2",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f074e",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d3g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g3v0Filler.json",
-            "sourceHash" : "ec0492a0f0b9c5f9122942b627b7e8aafc67236e920adde62341b8fd34e24867"
+            "sourceHash" : "351bf8dc21437ec97e2a974028d32e79efcc79d73bb45b990659c5e484b8d311"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbb1a",
-                    "hash" : "0xb9b087f9037927ea21f8d9ee525302d3b67de0315d0b10783632d0d7bd8ae1e5",
-                    "mixHash" : "0xd52abfbef28a82c80285350d199eac56299c3f3497fed65e5b7dd8de3d804e44",
-                    "nonce" : "0x7ad5789b4838ca36",
+                    "hash" : "0x0d75f82770ecf7eeffa447c70ec2396c6052d052a66a54ac991fcdcf9c4e933c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xb9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x1897eabb3785d6863150cebed1488159d248db87d79b5664195fc580cf75c270",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902e6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0c840aff87d09a85a352efaf8a24252d712c2fc776377fe646959a824328ebe9fa01897eabb3785d6863150cebed1488159d248db87d79b5664195fc580cf75c270a0b9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082bb1a8203e880a0d52abfbef28a82c80285350d199eac56299c3f3497fed65e5b7dd8de3d804e44887ad5789b4838ca36f8e7f8e5800183030d4094100000000000000000000000000000000000000080b88400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff8000000000000000000000000000000000000000000000000000000000000000071ca0b1a892bf456c1ff1f73369584b0eef4209f080302911d37b6d424f0e3b2a6e88a04150d03d667884ae7106a8a3e2b3d1d6684bce3c23486f6455a88ea683148401c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb9b087f9037927ea21f8d9ee525302d3b67de0315d0b10783632d0d7bd8ae1e5",
+        "lastblockhash" : "0x0d75f82770ecf7eeffa447c70ec2396c6052d052a66a54ac991fcdcf9c4e933c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d3g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d3g3v0Filler.json",
-            "sourceHash" : "ec0492a0f0b9c5f9122942b627b7e8aafc67236e920adde62341b8fd34e24867"
+            "sourceHash" : "351bf8dc21437ec97e2a974028d32e79efcc79d73bb45b990659c5e484b8d311"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xbb1a",
-                    "hash" : "0x56affe711e26e042cb63c146783e7a12ca42dd9c91768e7d6604a644c59b8011",
-                    "mixHash" : "0x96fa6ba77372005c27c98b267c952bf581cc25c09f59ded7c01cc7dc8cbd105e",
-                    "nonce" : "0xa0c6fd4e87e24454",
+                    "hash" : "0x0d75f82770ecf7eeffa447c70ec2396c6052d052a66a54ac991fcdcf9c4e933c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xb9e74615364be9f81ef5d2315f53761c34145cfde15775a01045711647c2b294",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x1897eabb3785d6863150cebed1488159d248db87d79b5664195fc580cf75c270",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff800000000000000000000000000000000000000000000000000000000000000007",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x56affe711e26e042cb63c146783e7a12ca42dd9c91768e7d6604a644c59b8011",
+        "lastblockhash" : "0x0d75f82770ecf7eeffa447c70ec2396c6052d052a66a54ac991fcdcf9c4e933c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g0v0.json
index a1d253874..082c2d76f 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d4g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g0v0Filler.json",
-            "sourceHash" : "8deb25ef5794177ccdb60c3cd10d07a2fcdf07c1d1f55d5eb15ab42cb4d16345"
+            "sourceHash" : "15e7db90e723c2875256f2ab9baf5d710290ed7a763abf0cabaa289f010d9c32"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf7ef",
-                    "hash" : "0xdfad7894db23983c26e7b7f96e1460b0a248bf8bd13f966d414ec40018cc3ea3",
-                    "mixHash" : "0xd99b985eebaf377cabb0a21b42c7de46ad6507e5c749e1ace1cd6880443c9695",
-                    "nonce" : "0x37c4b8b377c1e3dc",
+                    "hash" : "0xc0e187da98dd1c443816256b872ada79579d8aa238e1a82a9b1a72303475caa5",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x0353aa7ebffc144fb783e921bf6fc0767ea6726a2a0210e78b465c37af01cbb3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x5b9ab35a217d4e0684d39d310aa3e9023d639ca226fdbab8cdd8280cd5f134d0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xdfad7894db23983c26e7b7f96e1460b0a248bf8bd13f966d414ec40018cc3ea3",
+        "lastblockhash" : "0xc0e187da98dd1c443816256b872ada79579d8aa238e1a82a9b1a72303475caa5",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d4g0v0_Constantinople" : {
+        "_info" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g0v0Filler.json",
+            "sourceHash" : "15e7db90e723c2875256f2ab9baf5d710290ed7a763abf0cabaa289f010d9c32"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf7ef",
+                    "hash" : "0x43f6b6abd3cc57b9fc9d569a6c7fded011ddc3528242f2c3b510a3dee357992e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
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+                "uncleHeaders" : [
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+            }
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+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x43f6b6abd3cc57b9fc9d569a6c7fded011ddc3528242f2c3b510a3dee357992e",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
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+                    "0x02" : "0x3b01b01ac41f2d6e917c6d6a221ce793802469026d9ab7578fa2e79e4da6aaab"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f7ef",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0811",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d4g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g0v0Filler.json",
-            "sourceHash" : "8deb25ef5794177ccdb60c3cd10d07a2fcdf07c1d1f55d5eb15ab42cb4d16345"
+            "sourceHash" : "15e7db90e723c2875256f2ab9baf5d710290ed7a763abf0cabaa289f010d9c32"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba57",
-                    "hash" : "0x50cc45a35c21deab364c93d7d4a9fabf7d0f8a8c8279258b06a038d36fcb0ba8",
-                    "mixHash" : "0x83375d7366f63f0a67c329669a43428a88b8b053919fedc686869ed12aebf12d",
-                    "nonce" : "0x10608e9b4518a302",
+                    "hash" : "0x06f3c99c64f4ee123c88ea32f812a53b673125c35ba67e37ad18e030125e6962",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x5b9ab35a217d4e0684d39d310aa3e9023d639ca226fdbab8cdd8280cd5f134d0",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "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",
                 "transactions" : [
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x50cc45a35c21deab364c93d7d4a9fabf7d0f8a8c8279258b06a038d36fcb0ba8",
+        "lastblockhash" : "0x06f3c99c64f4ee123c88ea32f812a53b673125c35ba67e37ad18e030125e6962",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d4g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g0v0Filler.json",
-            "sourceHash" : "8deb25ef5794177ccdb60c3cd10d07a2fcdf07c1d1f55d5eb15ab42cb4d16345"
+            "sourceHash" : "15e7db90e723c2875256f2ab9baf5d710290ed7a763abf0cabaa289f010d9c32"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba57",
-                    "hash" : "0x2650f67e32921283b5abc8bb3015337f729526f03fdf81989a215563b21c90d7",
-                    "mixHash" : "0x8c50d09a09bf7b5e4c44238495721ee2513428f81222af15d734bfdb7d028bf7",
-                    "nonce" : "0x1706ec9933c8e313",
+                    "hash" : "0x06f3c99c64f4ee123c88ea32f812a53b673125c35ba67e37ad18e030125e6962",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0",
@@ -244,7 +356,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2650f67e32921283b5abc8bb3015337f729526f03fdf81989a215563b21c90d7",
+        "lastblockhash" : "0x06f3c99c64f4ee123c88ea32f812a53b673125c35ba67e37ad18e030125e6962",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g1v0.json
index 53cf0ba67..631fd4ab2 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d4g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g1v0Filler.json",
-            "sourceHash" : "67459be4c8bc11a6fb5d1354125d24b91395ee4c51006c67bc8110cd1645780d"
+            "sourceHash" : "a9dc603faac49230a0a3ea09239f1ec86de047cf91f65d3670a2294e2e0fbe8f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf7ef",
-                    "hash" : "0x73715e19349dff1534342d14c080deeb598441de49931186b13cb6b9d7367804",
-                    "mixHash" : "0xf72d36abdfb61e9c39fb79693dba28f111e5fc0bda86ce9e37b762de463969b6",
-                    "nonce" : "0x6da4918de302a836",
+                    "hash" : "0x975187f9299cc25c567e64f1124afcf08962815a5151c4c719799071fe5183c3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x0353aa7ebffc144fb783e921bf6fc0767ea6726a2a0210e78b465c37af01cbb3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x0cf585d9def98dc72c5362a3e1433684987ab87bb334b976de6370ed3c362b16",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x73715e19349dff1534342d14c080deeb598441de49931186b13cb6b9d7367804",
+        "lastblockhash" : "0x975187f9299cc25c567e64f1124afcf08962815a5151c4c719799071fe5183c3",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d4g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g1v0Filler.json",
+            "sourceHash" : "a9dc603faac49230a0a3ea09239f1ec86de047cf91f65d3670a2294e2e0fbe8f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf7ef",
+                    "hash" : "0xb0ddd40658f769f7b13c603be44a6a589451b99db88765bf58afb064a6f8b3dd",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0353aa7ebffc144fb783e921bf6fc0767ea6726a2a0210e78b465c37af01cbb3",
+                    "stateRoot" : "0x51ec87ffbd5c92cb76c676ce23096a9616320659ce01e968032f32fd9a51ebc8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x0cf585d9def98dc72c5362a3e1433684987ab87bb334b976de6370ed3c362b16",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x2a85ccbb7dd6f559b9c0f5bb48b9ce6520493158d963ea0fcd21970821726ea0",
+                        "s" : "0x2ad01f218facdff2039a18d174b4bbb96f3f10975ed9b1bff9e4583f547711d5",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xb0ddd40658f769f7b13c603be44a6a589451b99db88765bf58afb064a6f8b3dd",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x3b01b01ac41f2d6e917c6d6a221ce793802469026d9ab7578fa2e79e4da6aaab"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f7ef",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0811",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d4g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g1v0Filler.json",
-            "sourceHash" : "67459be4c8bc11a6fb5d1354125d24b91395ee4c51006c67bc8110cd1645780d"
+            "sourceHash" : "a9dc603faac49230a0a3ea09239f1ec86de047cf91f65d3670a2294e2e0fbe8f"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba57",
-                    "hash" : "0x0e833c126b1c3c8a1e256b4fcf957841587170231eaeac4c1dcb404393271acf",
-                    "mixHash" : "0x9c3ba2a6b00f0650405a3af4893cc5d92dcdc980a606accab272119003fc4c32",
-                    "nonce" : "0xe72e4561f0756a46",
+                    "hash" : "0x19ff65fc5f72b0b421daba5e57b74dd18ab67c19e084923bef82b062adccb588",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x0cf585d9def98dc72c5362a3e1433684987ab87bb334b976de6370ed3c362b16",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x0e833c126b1c3c8a1e256b4fcf957841587170231eaeac4c1dcb404393271acf",
+        "lastblockhash" : "0x19ff65fc5f72b0b421daba5e57b74dd18ab67c19e084923bef82b062adccb588",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d4g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g1v0Filler.json",
-            "sourceHash" : "67459be4c8bc11a6fb5d1354125d24b91395ee4c51006c67bc8110cd1645780d"
+            "sourceHash" : "a9dc603faac49230a0a3ea09239f1ec86de047cf91f65d3670a2294e2e0fbe8f"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba57",
-                    "hash" : "0x8fb91396bd766ff8f2161cd2c5ac9c698baf611cda1a042e7468491f81c85c1d",
-                    "mixHash" : "0x3245426ed16ca25958a3aa2e1e8a8bbc9a5357417eef98bfa82b9af0b3610c10",
-                    "nonce" : "0x2da64bc1cb30d284",
+                    "hash" : "0x19ff65fc5f72b0b421daba5e57b74dd18ab67c19e084923bef82b062adccb588",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x0cf585d9def98dc72c5362a3e1433684987ab87bb334b976de6370ed3c362b16",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0e73a1edd02bcdfa80037ab0f642ea2eeb1be14f89253eecc5f2bfbc07bbe9eb1a00cf585d9def98dc72c5362a3e1433684987ab87bb334b976de6370ed3c362b16a04f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba578203e880a03245426ed16ca25958a3aa2e1e8a8bbc9a5357417eef98bfa82b9af0b3610c10882da64bc1cb30d284f8c7f8c5800183015f9094100000000000000000000000000000000000000080b86400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff801ca02a85ccbb7dd6f559b9c0f5bb48b9ce6520493158d963ea0fcd21970821726ea0a02ad01f218facdff2039a18d174b4bbb96f3f10975ed9b1bff9e4583f547711d5c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8fb91396bd766ff8f2161cd2c5ac9c698baf611cda1a042e7468491f81c85c1d",
+        "lastblockhash" : "0x19ff65fc5f72b0b421daba5e57b74dd18ab67c19e084923bef82b062adccb588",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g2v0.json
index c218b6b2d..c6e3d6b90 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d4g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g2v0Filler.json",
-            "sourceHash" : "3c0c608c0185c6f66dcee6e052a0332dd5297672d44b7938ac493255d7585feb"
+            "sourceHash" : "1806fd31ac5e89375a716583754b8c6c6bd9e79472333a75409369739f8b9310"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf7ef",
-                    "hash" : "0xc29979498d890bb506f7d3687c260e386ff7d97879845c11c29758882506cd2e",
-                    "mixHash" : "0xc2faae91d5380e26c0dcebb44c2cb6d1db95e26ec32b1cec8526302e8a0d886f",
-                    "nonce" : "0x62c977bcab2c432f",
+                    "hash" : "0x12346ed304277596562673f5607de52cf4348c6a08b0861b5f7f9866a1112e4e",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x0353aa7ebffc144fb783e921bf6fc0767ea6726a2a0210e78b465c37af01cbb3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xacd469f1c609a26abfd63771554da0e15aa881404f639f388f150cdda67359c9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc29979498d890bb506f7d3687c260e386ff7d97879845c11c29758882506cd2e",
+        "lastblockhash" : "0x12346ed304277596562673f5607de52cf4348c6a08b0861b5f7f9866a1112e4e",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d4g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g2v0Filler.json",
+            "sourceHash" : "1806fd31ac5e89375a716583754b8c6c6bd9e79472333a75409369739f8b9310"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf7ef",
+                    "hash" : "0xbebf8ee1167cf28ce85d4f8d1503979c057ce2dbd93f8aad167620d4754f886f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0353aa7ebffc144fb783e921bf6fc0767ea6726a2a0210e78b465c37af01cbb3",
+                    "stateRoot" : "0x51ec87ffbd5c92cb76c676ce23096a9616320659ce01e968032f32fd9a51ebc8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xacd469f1c609a26abfd63771554da0e15aa881404f639f388f150cdda67359c9",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x78ec729913b398a5a2b220bc1dbfa10231d6bdc4625e407b3ec8c5a8d9f53a04",
+                        "s" : "0x6fd8378eab26c32d1a5690c433ee92d9ce3eb7a0b08180603ff3e4aae29b8faf",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0xbebf8ee1167cf28ce85d4f8d1503979c057ce2dbd93f8aad167620d4754f886f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x3b01b01ac41f2d6e917c6d6a221ce793802469026d9ab7578fa2e79e4da6aaab"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f7ef",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0811",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d4g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g2v0Filler.json",
-            "sourceHash" : "3c0c608c0185c6f66dcee6e052a0332dd5297672d44b7938ac493255d7585feb"
+            "sourceHash" : "1806fd31ac5e89375a716583754b8c6c6bd9e79472333a75409369739f8b9310"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba57",
-                    "hash" : "0xfd60508a32b3db0f8119e21ff9535e4830e7dc07198cf84ce684f64f291a3020",
-                    "mixHash" : "0x47e266cf60d046a69bb98a32f77efa8786be4adac28a1425702388fe304e0ee5",
-                    "nonce" : "0x8bd1438ab2aae79d",
+                    "hash" : "0x0df71e1d0422774dcf0304eff4ed38d904619821bee0f6cb6f6ae763a8c493b4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xacd469f1c609a26abfd63771554da0e15aa881404f639f388f150cdda67359c9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xfd60508a32b3db0f8119e21ff9535e4830e7dc07198cf84ce684f64f291a3020",
+        "lastblockhash" : "0x0df71e1d0422774dcf0304eff4ed38d904619821bee0f6cb6f6ae763a8c493b4",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d4g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g2v0Filler.json",
-            "sourceHash" : "3c0c608c0185c6f66dcee6e052a0332dd5297672d44b7938ac493255d7585feb"
+            "sourceHash" : "1806fd31ac5e89375a716583754b8c6c6bd9e79472333a75409369739f8b9310"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba57",
-                    "hash" : "0xd0d93008d517e60d3892e089117fde62b75935a909bc5ae1252e008d228e816e",
-                    "mixHash" : "0x4b75acf3ff1d3fb2637a94d82d769e7c13187694f1818cf681873c51e0138f2a",
-                    "nonce" : "0xe3928752122092df",
+                    "hash" : "0x0df71e1d0422774dcf0304eff4ed38d904619821bee0f6cb6f6ae763a8c493b4",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xacd469f1c609a26abfd63771554da0e15aa881404f639f388f150cdda67359c9",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd0d93008d517e60d3892e089117fde62b75935a909bc5ae1252e008d228e816e",
+        "lastblockhash" : "0x0df71e1d0422774dcf0304eff4ed38d904619821bee0f6cb6f6ae763a8c493b4",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g3v0.json
index 1fa3ae3e3..4daf56725 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d4g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d4g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g3v0Filler.json",
-            "sourceHash" : "c4815e1a329fa0a81a47b23a3b23d05b8daa9515b120d54565fff763a69cc7f9"
+            "sourceHash" : "b3a1ac0f8bdfaaa840c3a9051a739377cf62a296fc897f4e80ca39569a4615c6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf7ef",
-                    "hash" : "0x556c308264f53c22b2aaa1cb652d8ce7b35d46dcd29c79971b8439981b9a12c3",
-                    "mixHash" : "0xf2ded664dd9251151a8496b3ed59bf3a9c3bf4a3d33c6a8614f4066f6bfdf9de",
-                    "nonce" : "0xc7b3a1f220784618",
+                    "hash" : "0x2eafeead35039b77abf11170ab978361fecf82503679dc43fcc16f3e418c727a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x0353aa7ebffc144fb783e921bf6fc0767ea6726a2a0210e78b465c37af01cbb3",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xf1bbc80fef339356264cae2c442aeea9c0f93db20cee444c7be9d85eaafb0ce5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c6f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0bfff94524e7a7239e2957337edcb5a5b48365f7c8de7f081f5fdb0dfa02b0f94a0f1bbc80fef339356264cae2c442aeea9c0f93db20cee444c7be9d85eaafb0ce5a00353aa7ebffc144fb783e921bf6fc0767ea6726a2a0210e78b465c37af01cbb3b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082f7ef8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c7f8c5800183030d4094100000000000000000000000000000000000000080b86400000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff801ca0896841c7553e8b516374fe73f1b1fc12ac7f066a58c88c57d6286b5a76ef50f5a06361fbd3dee136dfb20a6abb85b12656e50126cca041b43b391dca122f8659d4c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x556c308264f53c22b2aaa1cb652d8ce7b35d46dcd29c79971b8439981b9a12c3",
+        "lastblockhash" : "0x2eafeead35039b77abf11170ab978361fecf82503679dc43fcc16f3e418c727a",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d4g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g3v0Filler.json",
+            "sourceHash" : "b3a1ac0f8bdfaaa840c3a9051a739377cf62a296fc897f4e80ca39569a4615c6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf7ef",
+                    "hash" : "0xe2cf18a25ca0c8b4fa1ab854e5967ebb123ac47db51c752bbd611111f88f33df",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x0353aa7ebffc144fb783e921bf6fc0767ea6726a2a0210e78b465c37af01cbb3",
+                    "stateRoot" : "0x51ec87ffbd5c92cb76c676ce23096a9616320659ce01e968032f32fd9a51ebc8",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xf1bbc80fef339356264cae2c442aeea9c0f93db20cee444c7be9d85eaafb0ce5",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x896841c7553e8b516374fe73f1b1fc12ac7f066a58c88c57d6286b5a76ef50f5",
+                        "s" : "0x6361fbd3dee136dfb20a6abb85b12656e50126cca041b43b391dca122f8659d4",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xe2cf18a25ca0c8b4fa1ab854e5967ebb123ac47db51c752bbd611111f88f33df",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x3b01b01ac41f2d6e917c6d6a221ce793802469026d9ab7578fa2e79e4da6aaab"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f7ef",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0811",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d4g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g3v0Filler.json",
-            "sourceHash" : "c4815e1a329fa0a81a47b23a3b23d05b8daa9515b120d54565fff763a69cc7f9"
+            "sourceHash" : "b3a1ac0f8bdfaaa840c3a9051a739377cf62a296fc897f4e80ca39569a4615c6"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba57",
-                    "hash" : "0xe9bc6ddb61f213cc9465b65df73786c931a870dd12f0003414a2673930136e93",
-                    "mixHash" : "0xf41dd5e90832004a269fa06823dfd0d97fc74191768fe984b21a3dc31f7d2c5c",
-                    "nonce" : "0x46ef81a60d0960ae",
+                    "hash" : "0xdccf5312529a1babc7aa212175e0dc5cfe6c9a10290b29a7650b216df205d280",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xf1bbc80fef339356264cae2c442aeea9c0f93db20cee444c7be9d85eaafb0ce5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe9bc6ddb61f213cc9465b65df73786c931a870dd12f0003414a2673930136e93",
+        "lastblockhash" : "0xdccf5312529a1babc7aa212175e0dc5cfe6c9a10290b29a7650b216df205d280",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d4g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d4g3v0Filler.json",
-            "sourceHash" : "c4815e1a329fa0a81a47b23a3b23d05b8daa9515b120d54565fff763a69cc7f9"
+            "sourceHash" : "b3a1ac0f8bdfaaa840c3a9051a739377cf62a296fc897f4e80ca39569a4615c6"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba57",
-                    "hash" : "0x2b19d45b205283531cc6997f4ce6eb7618260572200837876acca8cd01ed8ea8",
-                    "mixHash" : "0xf5831a3aa3fbebe933b0e43dfd27bc2a72a249c0084ce6ec82bbe8d3d51add5d",
-                    "nonce" : "0x6fb837a19a3a01c9",
+                    "hash" : "0xdccf5312529a1babc7aa212175e0dc5cfe6c9a10290b29a7650b216df205d280",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4f9dbeac0eb058924e112654ecf53b10364b53c29a046b9ca929a121e12d08b0",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xf1bbc80fef339356264cae2c442aeea9c0f93db20cee444c7be9d85eaafb0ce5",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003ffff80",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2b19d45b205283531cc6997f4ce6eb7618260572200837876acca8cd01ed8ea8",
+        "lastblockhash" : "0xdccf5312529a1babc7aa212175e0dc5cfe6c9a10290b29a7650b216df205d280",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g0v0.json
index b218be209..af680e57d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d5g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g0v0Filler.json",
-            "sourceHash" : "d16900ab43fa24440fbc292fff9399e053560dc3e593cabf7835d9383f4a3b75"
+            "sourceHash" : "1149c7a5e3c390c83ab10f68640b6326a9e268c6b89ca151899bdc3584bf6fa7"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9be",
-                    "hash" : "0x0af56e51cb550b29ed0d01f7411b8ad635276758a88134e8b07159382e5365e4",
-                    "mixHash" : "0x9727dd71a22e42f22f3650b8005e31826279ddaf70f43c16c52a9b42ab21edec",
-                    "nonce" : "0x44e45b969ad770f0",
+                    "hash" : "0x508190ca9c38aedeb9e7f10f42b4e89b844a6f2093653194562455ef9b65d70d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xec10be0e02571c26afa0773680c5f437377c410a8408f8712dd9e6792ae645f0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xe5d4c2515348e5b8f86cfa2698f7f2e75f1ee457c46bba8f2b2ae3c671fe70af",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0x0af56e51cb550b29ed0d01f7411b8ad635276758a88134e8b07159382e5365e4",
+        "lastblockhash" : "0x508190ca9c38aedeb9e7f10f42b4e89b844a6f2093653194562455ef9b65d70d",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d5g0v0_Constantinople" : {
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+            "nonce" : "0x0102030405060708",
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+        "lastblockhash" : "0x212358225678b6e6793ab4ebcfc4644fcf0a964181e5b3ca45f4ba7a7c3aca6f",
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6fe",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
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+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5902",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
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+            "0x1000000000000000000000000000000000000000" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d5g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g0v0Filler.json",
-            "sourceHash" : "d16900ab43fa24440fbc292fff9399e053560dc3e593cabf7835d9383f4a3b75"
+            "sourceHash" : "1149c7a5e3c390c83ab10f68640b6326a9e268c6b89ca151899bdc3584bf6fa7"
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         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x437f436454bce011bb3d14a73ae8f13be91c192bb33766957f7b45e9c47e228f",
-                    "mixHash" : "0xcb2c42b91168c8e4baf15103a0231fedc4ddbafb078cab34df1b976d0015defd",
-                    "nonce" : "0x455717c53138ec18",
+                    "hash" : "0xb2fede4bd52a21bc2831b1f0c6f4a177b1d165b6c0d3cf006bf3c43dce48068a",
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@@ -135,7 +245,7 @@
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0x437f436454bce011bb3d14a73ae8f13be91c192bb33766957f7b45e9c47e228f",
+        "lastblockhash" : "0xb2fede4bd52a21bc2831b1f0c6f4a177b1d165b6c0d3cf006bf3c43dce48068a",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d5g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g0v0Filler.json",
-            "sourceHash" : "d16900ab43fa24440fbc292fff9399e053560dc3e593cabf7835d9383f4a3b75"
+            "sourceHash" : "1149c7a5e3c390c83ab10f68640b6326a9e268c6b89ca151899bdc3584bf6fa7"
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         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
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-                    "mixHash" : "0x95d0781ea842c5949ff38f356f3906e3663b1abcc6b4d18d313e1ff350181b44",
-                    "nonce" : "0x749c1405060ec375",
+                    "hash" : "0xb2fede4bd52a21bc2831b1f0c6f4a177b1d165b6c0d3cf006bf3c43dce48068a",
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@@ -243,7 +354,7 @@
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                 },
-                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0f5919a219f4eb55b969295a6b8227aaa2494bdc9783ac95e23bc41a796b7f573a0e5d4c2515348e5b8f86cfa2698f7f2e75f1ee457c46bba8f2b2ae3c671fe70afa0ace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98b8203e880a095d0781ea842c5949ff38f356f3906e3663b1abcc6b4d18d313e1ff350181b4488749c1405060ec375f8c5f8c380018405f5e10094100000000000000000000000000000000000000080b861000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000020031ba09ab37cebbfefdf51ccd9bfa5441045c3cf083563b0950428eb5b78a9a1ad39b0a07a6537f70757fe223939acbdc9d1efc0a46fc44349554a838487bea4edbf6b9dc0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x8c136555f0a9fb6b4620e32d0b4cfe03a7bce5f663d584ce930766605ce3351d",
+        "lastblockhash" : "0xb2fede4bd52a21bc2831b1f0c6f4a177b1d165b6c0d3cf006bf3c43dce48068a",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g1v0.json
index ea50a0332..55e7708d7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d5g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g1v0Filler.json",
-            "sourceHash" : "b15a2193add508a4e7168145ee587299003d63c3a44904586c85bbef561f3c35"
+            "sourceHash" : "f2e2218250be3519bcf6e34cd017f01f58d7293f3cc9b43696d4e405af221aa8"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9be",
-                    "hash" : "0x178be2666bd986e885db02ea400c2c696cc74679e84192175de09ff344fa5d02",
-                    "mixHash" : "0xcee3daa63751a0bb31b5894b7ac7d075501654200fcb49c4900df2b0f78d2663",
-                    "nonce" : "0x1fa140d89d9471be",
+                    "hash" : "0x805165d63c27e3dddbae97ef89860188da67e22751c5d572f8238d7df6d947d3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xec10be0e02571c26afa0773680c5f437377c410a8408f8712dd9e6792ae645f0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x56212dfa26ee0bcb5ac2b1d6d87812d0dd53ea77d06314f87669a82a31c1cdee",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x178be2666bd986e885db02ea400c2c696cc74679e84192175de09ff344fa5d02",
+        "lastblockhash" : "0x805165d63c27e3dddbae97ef89860188da67e22751c5d572f8238d7df6d947d3",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d5g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g1v0Filler.json",
+            "sourceHash" : "f2e2218250be3519bcf6e34cd017f01f58d7293f3cc9b43696d4e405af221aa8"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6fe",
+                    "hash" : "0x20fc40bc74c323873d90642c18af50d3edffbdad137dea4c83bbba941966ea7b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1aa22f9504b74b2497b2de807c712379d7d96c3095eaa23e8cdf9d0bcfbbc087",
+                    "stateRoot" : "0x1fc205670b06942917c305af8a7f7b3f5c37c28b497bbab13661add4174f645d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x56212dfa26ee0bcb5ac2b1d6d87812d0dd53ea77d06314f87669a82a31c1cdee",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x590784d5de17000579f36b7ca9e696f8698d276903c556913eaa49ee102a0529",
+                        "s" : "0x3193649698710ee3148f6178af992a52fa67a282fec60aaa6a3c4677fa0dc6eb",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x20fc40bc74c323873d90642c18af50d3edffbdad137dea4c83bbba941966ea7b",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6fe",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5902",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d5g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g1v0Filler.json",
-            "sourceHash" : "b15a2193add508a4e7168145ee587299003d63c3a44904586c85bbef561f3c35"
+            "sourceHash" : "f2e2218250be3519bcf6e34cd017f01f58d7293f3cc9b43696d4e405af221aa8"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xdcbd74403b39c6e427720647ad957337f059904cf217e1f96803c34e59816e8a",
-                    "mixHash" : "0x8e8fcea0116384f83cd983b591d9cda04666f19ea5f90cc987dfd8d280463a40",
-                    "nonce" : "0x672ae51953748710",
+                    "hash" : "0xeba0429c0c4ec448c124a462d08d4d99638ba452e1687a3bba91bd6ed8846f44",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x56212dfa26ee0bcb5ac2b1d6d87812d0dd53ea77d06314f87669a82a31c1cdee",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xdcbd74403b39c6e427720647ad957337f059904cf217e1f96803c34e59816e8a",
+        "lastblockhash" : "0xeba0429c0c4ec448c124a462d08d4d99638ba452e1687a3bba91bd6ed8846f44",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d5g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g1v0Filler.json",
-            "sourceHash" : "b15a2193add508a4e7168145ee587299003d63c3a44904586c85bbef561f3c35"
+            "sourceHash" : "f2e2218250be3519bcf6e34cd017f01f58d7293f3cc9b43696d4e405af221aa8"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xb8849e2bd52fa03e4e88b3e6ddf7f40361cbf91ebe1a6ac5f16432b69c228b5f",
-                    "mixHash" : "0x600fd7c6872c0b25c4e8dd2224fd46e704ee54c47818b266952c1b7255912c20",
-                    "nonce" : "0x57295701e8913352",
+                    "hash" : "0xeba0429c0c4ec448c124a462d08d4d99638ba452e1687a3bba91bd6ed8846f44",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x56212dfa26ee0bcb5ac2b1d6d87812d0dd53ea77d06314f87669a82a31c1cdee",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb8849e2bd52fa03e4e88b3e6ddf7f40361cbf91ebe1a6ac5f16432b69c228b5f",
+        "lastblockhash" : "0xeba0429c0c4ec448c124a462d08d4d99638ba452e1687a3bba91bd6ed8846f44",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g2v0.json
index f4c8463c8..2178c6f4d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d5g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g2v0Filler.json",
-            "sourceHash" : "c6419fa74c84514b1a7fc5e17674ec3256d9edce0cf12a8045da67e1853e4ff9"
+            "sourceHash" : "7d216e71ed6879c304091631dca3c2dc0c2a1bbec6525b2f0dd8b064957eeaf6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9be",
-                    "hash" : "0x12df22f248ac02ab9a6442b6ab598079f8702ab0140fd5b88525b84ec268091b",
-                    "mixHash" : "0xf2bfaedd674b55a651e2992401d33853b8c67122db21b33859aa03462ffe0d82",
-                    "nonce" : "0xcb07ca580f63c1b1",
+                    "hash" : "0xf7b25309e8924048618e8a3dcff57eac88acd13728873e8870c7e0c1de5273c2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xec10be0e02571c26afa0773680c5f437377c410a8408f8712dd9e6792ae645f0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6acbde50dfecfbc6eef4595ceb18d7943371b11fea21c85a357a4038cdc6d14f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x12df22f248ac02ab9a6442b6ab598079f8702ab0140fd5b88525b84ec268091b",
+        "lastblockhash" : "0xf7b25309e8924048618e8a3dcff57eac88acd13728873e8870c7e0c1de5273c2",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d5g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g2v0Filler.json",
+            "sourceHash" : "7d216e71ed6879c304091631dca3c2dc0c2a1bbec6525b2f0dd8b064957eeaf6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6fe",
+                    "hash" : "0x44105ffc44f5366c3f74030ef485c3d07792c3c97f0f9a6f3c506b0b2307913c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1aa22f9504b74b2497b2de807c712379d7d96c3095eaa23e8cdf9d0bcfbbc087",
+                    "stateRoot" : "0x1fc205670b06942917c305af8a7f7b3f5c37c28b497bbab13661add4174f645d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6acbde50dfecfbc6eef4595ceb18d7943371b11fea21c85a357a4038cdc6d14f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xd618a7a4e4a14d4737781725eadeff1f6e0ebca8974db79433a3fe939a5834f5",
+                        "s" : "0x55e398dd6d47270957780f8fac55c6baffb23573e18e2804b72f2dd1fa594995",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x44105ffc44f5366c3f74030ef485c3d07792c3c97f0f9a6f3c506b0b2307913c",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6fe",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5902",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d5g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g2v0Filler.json",
-            "sourceHash" : "c6419fa74c84514b1a7fc5e17674ec3256d9edce0cf12a8045da67e1853e4ff9"
+            "sourceHash" : "7d216e71ed6879c304091631dca3c2dc0c2a1bbec6525b2f0dd8b064957eeaf6"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xb5b89820d8422cf13c905d7e40fddf27d835947ba4e888a7530fbdd7e743c520",
-                    "mixHash" : "0xa2c4c6bdc824eeafd338f52b54f0fe70dd4f9ce29bdac8338b3d4856850a1d96",
-                    "nonce" : "0xb222f1ae4ea3ade9",
+                    "hash" : "0x5349002d2f128fbce263d7fad5df73eca8e899f7abf8a0b2a8fe380956fa9da6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x6acbde50dfecfbc6eef4595ceb18d7943371b11fea21c85a357a4038cdc6d14f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0f5919a219f4eb55b969295a6b8227aaa2494bdc9783ac95e23bc41a796b7f573a06acbde50dfecfbc6eef4595ceb18d7943371b11fea21c85a357a4038cdc6d14fa0ace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98b8203e880a0a2c4c6bdc824eeafd338f52b54f0fe70dd4f9ce29bdac8338b3d4856850a1d9688b222f1ae4ea3ade9f8c4f8c280018301adb094100000000000000000000000000000000000000080b861000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000020031ca0d618a7a4e4a14d4737781725eadeff1f6e0ebca8974db79433a3fe939a5834f5a055e398dd6d47270957780f8fac55c6baffb23573e18e2804b72f2dd1fa594995c0",
+                "rlp" : "0xf902c3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0f5919a219f4eb55b969295a6b8227aaa2494bdc9783ac95e23bc41a796b7f573a06acbde50dfecfbc6eef4595ceb18d7943371b11fea21c85a357a4038cdc6d14fa0ace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98b8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c4f8c280018301adb094100000000000000000000000000000000000000080b861000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000020031ca0d618a7a4e4a14d4737781725eadeff1f6e0ebca8974db79433a3fe939a5834f5a055e398dd6d47270957780f8fac55c6baffb23573e18e2804b72f2dd1fa594995c0",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb5b89820d8422cf13c905d7e40fddf27d835947ba4e888a7530fbdd7e743c520",
+        "lastblockhash" : "0x5349002d2f128fbce263d7fad5df73eca8e899f7abf8a0b2a8fe380956fa9da6",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d5g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g2v0Filler.json",
-            "sourceHash" : "c6419fa74c84514b1a7fc5e17674ec3256d9edce0cf12a8045da67e1853e4ff9"
+            "sourceHash" : "7d216e71ed6879c304091631dca3c2dc0c2a1bbec6525b2f0dd8b064957eeaf6"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0xddb1d479b9991fd0e0fae33048880116af315730d04bad6027880c55a5cd5bb5",
-                    "mixHash" : "0x3e67c7800ce01b9ce40122a36a5d60d3ef0835341586c5a8ab42eae3fa4022d9",
-                    "nonce" : "0x62d5a1d5e1d1153b",
+                    "hash" : "0x5349002d2f128fbce263d7fad5df73eca8e899f7abf8a0b2a8fe380956fa9da6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x6acbde50dfecfbc6eef4595ceb18d7943371b11fea21c85a357a4038cdc6d14f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xddb1d479b9991fd0e0fae33048880116af315730d04bad6027880c55a5cd5bb5",
+        "lastblockhash" : "0x5349002d2f128fbce263d7fad5df73eca8e899f7abf8a0b2a8fe380956fa9da6",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g3v0.json
index e17d55d21..1fb8443cb 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d5g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d5g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g3v0Filler.json",
-            "sourceHash" : "d3f6b5d76f4ec1dff5f231f9dc8b5313293a2ec0af09b16e3823a5b7c8469b30"
+            "sourceHash" : "2edf2f62b624ed061db0b413415d3536bc18bb9237770dfe13a58239d8eab75e"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb9be",
-                    "hash" : "0xd8326991f348d34f3aedc85509f381c526ae3a246615c7fef66c38b2412164a8",
-                    "mixHash" : "0x05e2075019df16c4f706495b41fbf165f535be9c668f6e3c186a9e7a161ec265",
-                    "nonce" : "0xda9470a0449f35e2",
+                    "hash" : "0x34d025a61fd085fd8c1bf729467aef989d6f52fc0e89e45fb9796fb1c542c139",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xec10be0e02571c26afa0773680c5f437377c410a8408f8712dd9e6792ae645f0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6393827ac51d811fcb6fd7fcf482c29747dc0b322a3d513d4150ae29102a1e91",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xd8326991f348d34f3aedc85509f381c526ae3a246615c7fef66c38b2412164a8",
+        "lastblockhash" : "0x34d025a61fd085fd8c1bf729467aef989d6f52fc0e89e45fb9796fb1c542c139",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d5g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g3v0Filler.json",
+            "sourceHash" : "2edf2f62b624ed061db0b413415d3536bc18bb9237770dfe13a58239d8eab75e"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6fe",
+                    "hash" : "0x5f919f28381d048c0afe5e567e4b9552a5389ebe0b14b73273abb11dfd379e82",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x1aa22f9504b74b2497b2de807c712379d7d96c3095eaa23e8cdf9d0bcfbbc087",
+                    "stateRoot" : "0x1fc205670b06942917c305af8a7f7b3f5c37c28b497bbab13661add4174f645d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6393827ac51d811fcb6fd7fcf482c29747dc0b322a3d513d4150ae29102a1e91",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf902c3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa01fc205670b06942917c305af8a7f7b3f5c37c28b497bbab13661add4174f645da06393827ac51d811fcb6fd7fcf482c29747dc0b322a3d513d4150ae29102a1e91a01aa22f9504b74b2497b2de807c712379d7d96c3095eaa23e8cdf9d0bcfbbc087b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082a6fe8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c4f8c2800183030d4094100000000000000000000000000000000000000080b861000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000020031ba01cbc43f244ee46e717aa0e1460d0e8f306f5901bf89fe173dd721fd555dabe21a03cf6a80a40d0fe7495980805c8a5cd2e081db91574b1b4be57309a38915d3cc6c0",
+                "transactions" : [
+                    {
+                        "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x1cbc43f244ee46e717aa0e1460d0e8f306f5901bf89fe173dd721fd555dabe21",
+                        "s" : "0x3cf6a80a40d0fe7495980805c8a5cd2e081db91574b1b4be57309a38915d3cc6",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x5f919f28381d048c0afe5e567e4b9552a5389ebe0b14b73273abb11dfd379e82",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6fe",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5902",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d5g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g3v0Filler.json",
-            "sourceHash" : "d3f6b5d76f4ec1dff5f231f9dc8b5313293a2ec0af09b16e3823a5b7c8469b30"
+            "sourceHash" : "2edf2f62b624ed061db0b413415d3536bc18bb9237770dfe13a58239d8eab75e"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x4cbefb9c8fe0dae39b2f170e4bb72c2a5a39dc81cbae9e2b36a5f6fb11e7803b",
-                    "mixHash" : "0x5fa825df9b7ddb4715f9e9e696567e594d93086aa7f0619d79527a8310127d9a",
-                    "nonce" : "0xf85dcfae7b8f405f",
+                    "hash" : "0x032b6f24a7d0f499ea812b98f24528c9d43aab02a72fe14ac19e55b1e1dea56f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x6393827ac51d811fcb6fd7fcf482c29747dc0b322a3d513d4150ae29102a1e91",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4cbefb9c8fe0dae39b2f170e4bb72c2a5a39dc81cbae9e2b36a5f6fb11e7803b",
+        "lastblockhash" : "0x032b6f24a7d0f499ea812b98f24528c9d43aab02a72fe14ac19e55b1e1dea56f",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d5g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d5g3v0Filler.json",
-            "sourceHash" : "d3f6b5d76f4ec1dff5f231f9dc8b5313293a2ec0af09b16e3823a5b7c8469b30"
+            "sourceHash" : "2edf2f62b624ed061db0b413415d3536bc18bb9237770dfe13a58239d8eab75e"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98b",
-                    "hash" : "0x09c2a8a267f529d5a5ca4a1edfb9171101e0ebe70f73999cc2e99b7dec949538",
-                    "mixHash" : "0x6638aadb1a25721c4337dfbbe98de140f04e874b2bd88633346ff12a102e8c0d",
-                    "nonce" : "0x226d6b2dd40320cc",
+                    "hash" : "0x032b6f24a7d0f499ea812b98f24528c9d43aab02a72fe14ac19e55b1e1dea56f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xace22c33cab1e0f1e302f8ab3292f4a7c7f73a271bed10bb749205266079c995",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x6393827ac51d811fcb6fd7fcf482c29747dc0b322a3d513d4150ae29102a1e91",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x00000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000002003",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x09c2a8a267f529d5a5ca4a1edfb9171101e0ebe70f73999cc2e99b7dec949538",
+        "lastblockhash" : "0x032b6f24a7d0f499ea812b98f24528c9d43aab02a72fe14ac19e55b1e1dea56f",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g0v0.json
index 8d7149284..687f6aabc 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d6g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g0v0Filler.json",
-            "sourceHash" : "71c22ad50f0ae39267b662460a542f8c436bb886a45b4e624f56beeb82745254"
+            "sourceHash" : "41940a63d793a0b9bf102a40fbe4adefeeac4d798a878e184fb806b883958589"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4d9",
-                    "hash" : "0xefc1ef0f37d58732f0cfcd39290ba0bd73cf3fc5064072687cba65a163821505",
-                    "mixHash" : "0xd3a086ff543d4c96c8d9f3602aa1a59dfafd076f16d67f3b43d1ee84cf577a7c",
-                    "nonce" : "0xda400a5107c72cf6",
+                    "hash" : "0x591acf33e778e400ba477e22d6edb64a29c5a77394cd457f635d3a0d6a2b0a0a",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x026cebb8d43d89b2d2e00f3dc3429d5c323e6509d4d436563cdb84b3d6ecf6e8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9bad6bc8de3e83556b5fa9b5e4244696ec04c75120fc5c3821e5be93302491c1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xefc1ef0f37d58732f0cfcd39290ba0bd73cf3fc5064072687cba65a163821505",
+        "lastblockhash" : "0x591acf33e778e400ba477e22d6edb64a29c5a77394cd457f635d3a0d6a2b0a0a",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d6g0v0_Constantinople" : {
+        "_info" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+            "sourceHash" : "41940a63d793a0b9bf102a40fbe4adefeeac4d798a878e184fb806b883958589"
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4d9",
+                    "hash" : "0x54273155f27d54e3b08426ff44533c360f6818d4abf535b988fba38d7154109d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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+                "uncleHeaders" : [
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+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x54273155f27d54e3b08426ff44533c360f6818d4abf535b988fba38d7154109d",
+        "network" : "Constantinople",
+        "postState" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4d9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b27",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d6g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g0v0Filler.json",
-            "sourceHash" : "71c22ad50f0ae39267b662460a542f8c436bb886a45b4e624f56beeb82745254"
+            "sourceHash" : "41940a63d793a0b9bf102a40fbe4adefeeac4d798a878e184fb806b883958589"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba0e",
-                    "hash" : "0x3df94784c09a3f1112f8510c3016586e465743a1bd3f9b4dc22890fa0904336d",
-                    "mixHash" : "0xfab2d0ed36f14c385e1fd2d53907ea28211ebea0c913d37ce8edf2a9b099c00e",
-                    "nonce" : "0x41e53cbaf4de0ec2",
+                    "hash" : "0x214dd362d3c0f27128660ac2a0d23aa4cf2004f51bc9867714cdb955317feed9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x9bad6bc8de3e83556b5fa9b5e4244696ec04c75120fc5c3821e5be93302491c1",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "rlp" : "0xf902e4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0ad7a4d30a55b4aa34d2fd06937320b658f40a301e04a5374befeb45742e0828fa09bad6bc8de3e83556b5fa9b5e4244696ec04c75120fc5c3821e5be93302491c1a0e75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba0e8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8e5f8e380018405f5e10094100000000000000000000000000000000000000080b8810000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200380000000000000000000000000000000000000000000000000000000000000001ca04bb9bb0275cafac4715fcacc277ef3a08c48ef04ba9b8bd5565f7a6c03befa3ca04b7c5270a1ff0b0cf623f66070cc250792c02106b721a5c96d28283f61a97b1cc0",
                 "transactions" : [
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x3df94784c09a3f1112f8510c3016586e465743a1bd3f9b4dc22890fa0904336d",
+        "lastblockhash" : "0x214dd362d3c0f27128660ac2a0d23aa4cf2004f51bc9867714cdb955317feed9",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d6g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g0v0Filler.json",
-            "sourceHash" : "71c22ad50f0ae39267b662460a542f8c436bb886a45b4e624f56beeb82745254"
+            "sourceHash" : "41940a63d793a0b9bf102a40fbe4adefeeac4d798a878e184fb806b883958589"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba0e",
-                    "hash" : "0xb364b5199d37e7d485bc5a9cb0c5bce83de4e5ae70c3f9eb991a84023f87d72f",
-                    "mixHash" : "0x267daa13341d8a9f09cd0e2316abbca8b962f728b5a1f5ee4f0032a30901247f",
-                    "nonce" : "0x0bc7df26ca9fd76c",
+                    "hash" : "0x214dd362d3c0f27128660ac2a0d23aa4cf2004f51bc9867714cdb955317feed9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084",
@@ -244,7 +356,7 @@
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                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb364b5199d37e7d485bc5a9cb0c5bce83de4e5ae70c3f9eb991a84023f87d72f",
+        "lastblockhash" : "0x214dd362d3c0f27128660ac2a0d23aa4cf2004f51bc9867714cdb955317feed9",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g1v0.json
index 00a711bd1..c731e4ac8 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d6g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g1v0Filler.json",
-            "sourceHash" : "cf907903e25fad0fc232a60fb8ea44a072a53050a8ca9d0cc6ef7e5ab9caa357"
+            "sourceHash" : "f6bbac0e921d8b8b8588b6182c586bfc8e5d5f7a48aa0834722f309ecd579af4"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4d9",
-                    "hash" : "0xa0fe6b633d340ca2296c1765d28627c85ec796c04b29941b3e9662b2af53806c",
-                    "mixHash" : "0xf08b6695702298a38d56fa6e0f83fa072e39385ffb6ed423777ae25561cdf1fa",
-                    "nonce" : "0x3eae0cd6316fb8f6",
+                    "hash" : "0xb456086be3360aac5936134a94755dea646f04b117b2f1f070f550b9400fcb05",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x026cebb8d43d89b2d2e00f3dc3429d5c323e6509d4d436563cdb84b3d6ecf6e8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xda1aece683b61613dcd52f66729b103d586bb912cbbae961997fffbbe8260d39",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa0fe6b633d340ca2296c1765d28627c85ec796c04b29941b3e9662b2af53806c",
+        "lastblockhash" : "0xb456086be3360aac5936134a94755dea646f04b117b2f1f070f550b9400fcb05",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d6g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g1v0Filler.json",
+            "sourceHash" : "f6bbac0e921d8b8b8588b6182c586bfc8e5d5f7a48aa0834722f309ecd579af4"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4d9",
+                    "hash" : "0x901c008136cbd21b123db0270df58d3dff6b8f703422412614f71d2a6b245176",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x026cebb8d43d89b2d2e00f3dc3429d5c323e6509d4d436563cdb84b3d6ecf6e8",
+                    "stateRoot" : "0xebd90fcc4963015fbc3393a4fa45aed88ef89af65de015ede7d8ce04a07d0a18",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xda1aece683b61613dcd52f66729b103d586bb912cbbae961997fffbbe8260d39",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x3d5b7733ebe0042481a84678bc2ebe46453b0583ee71240f014813761258b773",
+                        "s" : "0x11a1e38664cf1eed475630636aaba20986e248f6dd16734c0391fb6d2076d6e8",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x901c008136cbd21b123db0270df58d3dff6b8f703422412614f71d2a6b245176",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4d9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b27",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d6g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g1v0Filler.json",
-            "sourceHash" : "cf907903e25fad0fc232a60fb8ea44a072a53050a8ca9d0cc6ef7e5ab9caa357"
+            "sourceHash" : "f6bbac0e921d8b8b8588b6182c586bfc8e5d5f7a48aa0834722f309ecd579af4"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba0e",
-                    "hash" : "0x50fe70ad13fe45f94a0513f8cf0d4853363e48f941d41714b1416b11fbb3df11",
-                    "mixHash" : "0xb510fc87511b28b584f65908fdcafc81bd09692694af62fd4616427ffb703013",
-                    "nonce" : "0x98393441b519b0cd",
+                    "hash" : "0xad9c449dd77f8f6faa280497bc06f188e15d662a73d98ef2141cd39184c5afd9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xda1aece683b61613dcd52f66729b103d586bb912cbbae961997fffbbe8260d39",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902e3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0ad7a4d30a55b4aa34d2fd06937320b658f40a301e04a5374befeb45742e0828fa0da1aece683b61613dcd52f66729b103d586bb912cbbae961997fffbbe8260d39a0e75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba0e8203e880a0b510fc87511b28b584f65908fdcafc81bd09692694af62fd4616427ffb7030138898393441b519b0cdf8e4f8e2800183015f9094100000000000000000000000000000000000000080b8810000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200380000000000000000000000000000000000000000000000000000000000000001ba03d5b7733ebe0042481a84678bc2ebe46453b0583ee71240f014813761258b773a011a1e38664cf1eed475630636aaba20986e248f6dd16734c0391fb6d2076d6e8c0",
+                "rlp" : "0xf902e3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0ad7a4d30a55b4aa34d2fd06937320b658f40a301e04a5374befeb45742e0828fa0da1aece683b61613dcd52f66729b103d586bb912cbbae961997fffbbe8260d39a0e75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba0e8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8e4f8e2800183015f9094100000000000000000000000000000000000000080b8810000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200380000000000000000000000000000000000000000000000000000000000000001ba03d5b7733ebe0042481a84678bc2ebe46453b0583ee71240f014813761258b773a011a1e38664cf1eed475630636aaba20986e248f6dd16734c0391fb6d2076d6e8c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x50fe70ad13fe45f94a0513f8cf0d4853363e48f941d41714b1416b11fbb3df11",
+        "lastblockhash" : "0xad9c449dd77f8f6faa280497bc06f188e15d662a73d98ef2141cd39184c5afd9",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d6g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g1v0Filler.json",
-            "sourceHash" : "cf907903e25fad0fc232a60fb8ea44a072a53050a8ca9d0cc6ef7e5ab9caa357"
+            "sourceHash" : "f6bbac0e921d8b8b8588b6182c586bfc8e5d5f7a48aa0834722f309ecd579af4"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba0e",
-                    "hash" : "0x908cd71ea0ef587788b7535f8506f59f60329bc671e7322f92f781fc5a154c3a",
-                    "mixHash" : "0x11bc349866ffed341d2d0c4652c44a4639903c8a450a2f66b71f625d90ef7651",
-                    "nonce" : "0x6d21f01a283b103b",
+                    "hash" : "0xad9c449dd77f8f6faa280497bc06f188e15d662a73d98ef2141cd39184c5afd9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xda1aece683b61613dcd52f66729b103d586bb912cbbae961997fffbbe8260d39",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902e3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0ad7a4d30a55b4aa34d2fd06937320b658f40a301e04a5374befeb45742e0828fa0da1aece683b61613dcd52f66729b103d586bb912cbbae961997fffbbe8260d39a0e75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba0e8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8e4f8e2800183015f9094100000000000000000000000000000000000000080b8810000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200380000000000000000000000000000000000000000000000000000000000000001ba03d5b7733ebe0042481a84678bc2ebe46453b0583ee71240f014813761258b773a011a1e38664cf1eed475630636aaba20986e248f6dd16734c0391fb6d2076d6e8c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x908cd71ea0ef587788b7535f8506f59f60329bc671e7322f92f781fc5a154c3a",
+        "lastblockhash" : "0xad9c449dd77f8f6faa280497bc06f188e15d662a73d98ef2141cd39184c5afd9",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g2v0.json
index 63090bfa7..a76a17e08 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d6g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g2v0Filler.json",
-            "sourceHash" : "0d653e9ccc8dceef0b0a2038be24b94aa8eec0d3bff73d1bfef11f4d3471fd29"
+            "sourceHash" : "1bac297eb85af3d9c4e07b0e7ec9036aa26441ffedfb3bf89ba9862189cdb745"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4d9",
-                    "hash" : "0xa23e703641fcf77750156268a4e3c6fe7a73f44b42c4a87bebf7de7d8aff33ea",
-                    "mixHash" : "0xcd90a21bf95c996973aa7c9a05b5b75ac1cd8e317c98398d37aba3a4c7b5d8ec",
-                    "nonce" : "0x984cd5a16c39cece",
+                    "hash" : "0x28e1856223434d1c864ac98a1a3c130a927b2c6aaf9a265efaee7d58eefc69a0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x026cebb8d43d89b2d2e00f3dc3429d5c323e6509d4d436563cdb84b3d6ecf6e8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x7f0eb3cfe7a31e0e547eae5e53f52227b57bf8af95287fa860afb472db724a80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa23e703641fcf77750156268a4e3c6fe7a73f44b42c4a87bebf7de7d8aff33ea",
+        "lastblockhash" : "0x28e1856223434d1c864ac98a1a3c130a927b2c6aaf9a265efaee7d58eefc69a0",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d6g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g2v0Filler.json",
+            "sourceHash" : "1bac297eb85af3d9c4e07b0e7ec9036aa26441ffedfb3bf89ba9862189cdb745"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4d9",
+                    "hash" : "0x1266288053437254420405460c0e24c94478ca7fa29f7c3467d570f1c19f1263",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x026cebb8d43d89b2d2e00f3dc3429d5c323e6509d4d436563cdb84b3d6ecf6e8",
+                    "stateRoot" : "0xebd90fcc4963015fbc3393a4fa45aed88ef89af65de015ede7d8ce04a07d0a18",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x7f0eb3cfe7a31e0e547eae5e53f52227b57bf8af95287fa860afb472db724a80",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xb34da9d6bf05106b29e53abc36e611bc8e4eb891c9e165f1e69f150d53f0d7b6",
+                        "s" : "0x3c8c907ea86f66a6e0be0697c7b10a3b07776485eda02b988624bb72457820fb",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x1266288053437254420405460c0e24c94478ca7fa29f7c3467d570f1c19f1263",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4d9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b27",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d6g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g2v0Filler.json",
-            "sourceHash" : "0d653e9ccc8dceef0b0a2038be24b94aa8eec0d3bff73d1bfef11f4d3471fd29"
+            "sourceHash" : "1bac297eb85af3d9c4e07b0e7ec9036aa26441ffedfb3bf89ba9862189cdb745"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba0e",
-                    "hash" : "0x227d9049a2b98519af8df4915a1003da0ac9a42737903642acd423ac3f8fbeaa",
-                    "mixHash" : "0x8321232282933c84461af7d26d6dcd9cea5550cfdffec7b0820df6a5898f4952",
-                    "nonce" : "0x4c1b35cb84f2313e",
+                    "hash" : "0xba34080462202f2060191d1034d4e64c322fe74c1e49d5d6df9bf5fdd410c343",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x7f0eb3cfe7a31e0e547eae5e53f52227b57bf8af95287fa860afb472db724a80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x227d9049a2b98519af8df4915a1003da0ac9a42737903642acd423ac3f8fbeaa",
+        "lastblockhash" : "0xba34080462202f2060191d1034d4e64c322fe74c1e49d5d6df9bf5fdd410c343",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d6g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g2v0Filler.json",
-            "sourceHash" : "0d653e9ccc8dceef0b0a2038be24b94aa8eec0d3bff73d1bfef11f4d3471fd29"
+            "sourceHash" : "1bac297eb85af3d9c4e07b0e7ec9036aa26441ffedfb3bf89ba9862189cdb745"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba0e",
-                    "hash" : "0x3c0b5ebd51bb3e6008c9d195a34677cc81eb8e4e89414514953b55c391f69ad6",
-                    "mixHash" : "0xa0f414b7896972fe505f413f6b9b47727a8b3d5c3942d76a48d132274e5c25cd",
-                    "nonce" : "0xaec538892b94221e",
+                    "hash" : "0xba34080462202f2060191d1034d4e64c322fe74c1e49d5d6df9bf5fdd410c343",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x7f0eb3cfe7a31e0e547eae5e53f52227b57bf8af95287fa860afb472db724a80",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3c0b5ebd51bb3e6008c9d195a34677cc81eb8e4e89414514953b55c391f69ad6",
+        "lastblockhash" : "0xba34080462202f2060191d1034d4e64c322fe74c1e49d5d6df9bf5fdd410c343",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g3v0.json
index 4934b7b02..d684298b4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d6g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d6g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g3v0Filler.json",
-            "sourceHash" : "7487ee922e4c156d3cd3a2088da790ae0a6d101a3d361888f933cc5ed2b2684d"
+            "sourceHash" : "bde7cf8686db5cc1cd6f2aba1dc75afc36c03128f28c7f11c57014e785ce455d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf4d9",
-                    "hash" : "0xa0aa122a2b89b88ac21be96ef43029f8567c051b9737964ed557657607205d34",
-                    "mixHash" : "0xb17be90e39323261cd570017ee300f70c38ae40a0ae946368998847efc2ece3c",
-                    "nonce" : "0x6f75cccad0e7bd43",
+                    "hash" : "0x67e332a97758b51fe9c780a0d8b950f2f1570ee0f064d4c3ca3b7a89d3fb69f9",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x026cebb8d43d89b2d2e00f3dc3429d5c323e6509d4d436563cdb84b3d6ecf6e8",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x1287b04899b78c898fbe7acdd6ec3fb359b92a6d2ad96935a57406f90d65dafc",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa0aa122a2b89b88ac21be96ef43029f8567c051b9737964ed557657607205d34",
+        "lastblockhash" : "0x67e332a97758b51fe9c780a0d8b950f2f1570ee0f064d4c3ca3b7a89d3fb69f9",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d6g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g3v0Filler.json",
+            "sourceHash" : "bde7cf8686db5cc1cd6f2aba1dc75afc36c03128f28c7f11c57014e785ce455d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf4d9",
+                    "hash" : "0x46c323cecfdbe87ea4d67d79246d6544cb5acd56662f04c1b1606a0e61baf3d0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x026cebb8d43d89b2d2e00f3dc3429d5c323e6509d4d436563cdb84b3d6ecf6e8",
+                    "stateRoot" : "0xebd90fcc4963015fbc3393a4fa45aed88ef89af65de015ede7d8ce04a07d0a18",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x1287b04899b78c898fbe7acdd6ec3fb359b92a6d2ad96935a57406f90d65dafc",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xbbc26050a29b866917b84cc13949234a1af30c336bb77bd35e21a42351317b9c",
+                        "s" : "0x09cb3708e5575d000a96940d6783604f0a2c2a68135601666b3b4050e4a841a8",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x46c323cecfdbe87ea4d67d79246d6544cb5acd56662f04c1b1606a0e61baf3d0",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f4d9",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0b27",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d6g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g3v0Filler.json",
-            "sourceHash" : "7487ee922e4c156d3cd3a2088da790ae0a6d101a3d361888f933cc5ed2b2684d"
+            "sourceHash" : "bde7cf8686db5cc1cd6f2aba1dc75afc36c03128f28c7f11c57014e785ce455d"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba0e",
-                    "hash" : "0x21d67fe882dee331c2513a27b10da235165554f9423686ebb349b4db1ae4b97a",
-                    "mixHash" : "0xe90adf6e264bb4fc32489c5e1d9e5b17867af2177b30516b2d359282e79f408d",
-                    "nonce" : "0x51c76a4c09d59d50",
+                    "hash" : "0x2590ab76c9754749c7ea3141b6cd602f65d171aea0aabc4df0ec9ef07d135ce3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x1287b04899b78c898fbe7acdd6ec3fb359b92a6d2ad96935a57406f90d65dafc",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x21d67fe882dee331c2513a27b10da235165554f9423686ebb349b4db1ae4b97a",
+        "lastblockhash" : "0x2590ab76c9754749c7ea3141b6cd602f65d171aea0aabc4df0ec9ef07d135ce3",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d6g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d6g3v0Filler.json",
-            "sourceHash" : "7487ee922e4c156d3cd3a2088da790ae0a6d101a3d361888f933cc5ed2b2684d"
+            "sourceHash" : "bde7cf8686db5cc1cd6f2aba1dc75afc36c03128f28c7f11c57014e785ce455d"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xba0e",
-                    "hash" : "0x2cc38064f6fd3f9401b1edb4dc43ea485ab53f8205dc0da9a53f7793ce9cce45",
-                    "mixHash" : "0xc7ea1d605c2ad1221b968d4caea7e34074fa4ebe8a91bcc183cf4d9803f2eb84",
-                    "nonce" : "0xb36ee252fb94ccce",
+                    "hash" : "0x2590ab76c9754749c7ea3141b6cd602f65d171aea0aabc4df0ec9ef07d135ce3",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xe75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x1287b04899b78c898fbe7acdd6ec3fb359b92a6d2ad96935a57406f90d65dafc",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902e3f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0ad7a4d30a55b4aa34d2fd06937320b658f40a301e04a5374befeb45742e0828fa01287b04899b78c898fbe7acdd6ec3fb359b92a6d2ad96935a57406f90d65dafca0e75be5afcbc4a7e64a9298601c72d0428e1b6527d933ee9c1514560c8f096084b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082ba0e8203e880a0c7ea1d605c2ad1221b968d4caea7e34074fa4ebe8a91bcc183cf4d9803f2eb8488b36ee252fb94cccef8e4f8e2800183030d4094100000000000000000000000000000000000000080b8810000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200380000000000000000000000000000000000000000000000000000000000000001ba0bbc26050a29b866917b84cc13949234a1af30c336bb77bd35e21a42351317b9ca009cb3708e5575d000a96940d6783604f0a2c2a68135601666b3b4050e4a841a8c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000020038000000000000000000000000000000000000000000000000000000000000000",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2cc38064f6fd3f9401b1edb4dc43ea485ab53f8205dc0da9a53f7793ce9cce45",
+        "lastblockhash" : "0x2590ab76c9754749c7ea3141b6cd602f65d171aea0aabc4df0ec9ef07d135ce3",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g0v0.json
index cb25265dd..b2c7d4577 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d7g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g0v0Filler.json",
-            "sourceHash" : "89e0db666480ac9de47e88a8cdc7208c977d34b2b4107abae2a184de73032353"
+            "sourceHash" : "419c3a6bc10efecf3d52abecee059d06e6c5844223479004b35ed12d6af20f34"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf45e",
-                    "hash" : "0x4e48cb8fa51f9ed6521d5c3a17bf6f9d0ad013bc06bd350e8840ab244fe44f0a",
-                    "mixHash" : "0x00a1027812151ac284c02ca6949a572bb5e064758d4c50f374f540213e39f7e4",
-                    "nonce" : "0x7579a109f0855027",
+                    "hash" : "0x9fe2947c53d61f3ab06437259c905a5fa022902b84e0b4771e6a15fd63a63b82",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6fdb43df36d747e422af96989f89567e9bf2f218420416bab10ebac8cdd550a0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x9b9221a38a2ad9b49c1dced1274ca9d97ee1eab112c1aea666c32ba51af09fde",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
                     {
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x4e48cb8fa51f9ed6521d5c3a17bf6f9d0ad013bc06bd350e8840ab244fe44f0a",
+        "lastblockhash" : "0x9fe2947c53d61f3ab06437259c905a5fa022902b84e0b4771e6a15fd63a63b82",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d7g0v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf45e",
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
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+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
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+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x8291ed55c35338906b3bdd383b9afb6327a9ea434726ed468420acc17190ee6b",
+        "network" : "Constantinople",
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+                "nonce" : "0x00",
+                "storage" : {
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+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f45e",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0ba2",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d7g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g0v0Filler.json",
-            "sourceHash" : "89e0db666480ac9de47e88a8cdc7208c977d34b2b4107abae2a184de73032353"
+            "sourceHash" : "419c3a6bc10efecf3d52abecee059d06e6c5844223479004b35ed12d6af20f34"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x477b887d756348208c23dc987c32d5f21bc32fa2aaccfdfeac0d59c2da91fb29",
-                    "mixHash" : "0x90ce91e8de1ceb97f23054c6e04aed05d4e054f5a789b66451a2dea6bbfea063",
-                    "nonce" : "0xa32e8cde0ec5427a",
+                    "hash" : "0x29fb338d03265f39d9f25055f0a6e6f1d8c5cc23a93f370ce3397cd2be5682ef",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
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@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x9b9221a38a2ad9b49c1dced1274ca9d97ee1eab112c1aea666c32ba51af09fde",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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                 "transactions" : [
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@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x477b887d756348208c23dc987c32d5f21bc32fa2aaccfdfeac0d59c2da91fb29",
+        "lastblockhash" : "0x29fb338d03265f39d9f25055f0a6e6f1d8c5cc23a93f370ce3397cd2be5682ef",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d7g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g0v0Filler.json",
-            "sourceHash" : "89e0db666480ac9de47e88a8cdc7208c977d34b2b4107abae2a184de73032353"
+            "sourceHash" : "419c3a6bc10efecf3d52abecee059d06e6c5844223479004b35ed12d6af20f34"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x6ef985b492da9c050834d2c1717b3531c54bd9f3ec1fe0e1ba2bcf29e2db0941",
-                    "mixHash" : "0x1e0a8549fc7f5e4b51680e6ce10a46fc32f71bb61a137b759fdcf21ccd66af5c",
-                    "nonce" : "0xb7b1efe8f78fe3c7",
+                    "hash" : "0x29fb338d03265f39d9f25055f0a6e6f1d8c5cc23a93f370ce3397cd2be5682ef",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
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@@ -244,7 +356,7 @@
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                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x6ef985b492da9c050834d2c1717b3531c54bd9f3ec1fe0e1ba2bcf29e2db0941",
+        "lastblockhash" : "0x29fb338d03265f39d9f25055f0a6e6f1d8c5cc23a93f370ce3397cd2be5682ef",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g1v0.json
index 95653f221..be3f7e1de 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d7g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g1v0Filler.json",
-            "sourceHash" : "6ecc4e56a4882869eeda124ba5236e008cc9258ecdb2f70f7f51004dac951c56"
+            "sourceHash" : "891efccce53abf27783c73e3a9d5780c9ac4a83f5acb3dfc73afe3f43f1df75f"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf45e",
-                    "hash" : "0xaa17bfc21b3b848fb690eee859116b2484db295f2f0dd6a9afa7288f7307a879",
-                    "mixHash" : "0x534af77719654f04bdeaff5e6bf2c5de97cd294fae174159e2fe9bc77ac63672",
-                    "nonce" : "0xa302a16b3edbe4db",
+                    "hash" : "0x2558907dccae4a3071cd2ec5c520932f47ee55b2973c8514d7e0c43f89fd1169",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6fdb43df36d747e422af96989f89567e9bf2f218420416bab10ebac8cdd550a0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xaaeb8fd73fb5bb72ea43a20ff88acabc35d39f89d4bb7a745bef750f856c77aa",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xaa17bfc21b3b848fb690eee859116b2484db295f2f0dd6a9afa7288f7307a879",
+        "lastblockhash" : "0x2558907dccae4a3071cd2ec5c520932f47ee55b2973c8514d7e0c43f89fd1169",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d7g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g1v0Filler.json",
+            "sourceHash" : "891efccce53abf27783c73e3a9d5780c9ac4a83f5acb3dfc73afe3f43f1df75f"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf45e",
+                    "hash" : "0x2a0db7231ef7ca792ed907ec31c5fad71217cfa97cde6b9b068e8a4a5cf18a56",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x6fdb43df36d747e422af96989f89567e9bf2f218420416bab10ebac8cdd550a0",
+                    "stateRoot" : "0x00d63824eef924b668f2c13da7b72b1b8652e312eeeedf24030cc16ce54a35e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0xaaeb8fd73fb5bb72ea43a20ff88acabc35d39f89d4bb7a745bef750f856c77aa",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x84be943c5246f7d14ebb038636df7ae482718ff98df41cde952f91643438f7a7",
+                        "s" : "0x35c1ecf0a7315718c46e86358e18bb1a91ebaff9760d0a75b089bca0d77dc025",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x2a0db7231ef7ca792ed907ec31c5fad71217cfa97cde6b9b068e8a4a5cf18a56",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f45e",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0ba2",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d7g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g1v0Filler.json",
-            "sourceHash" : "6ecc4e56a4882869eeda124ba5236e008cc9258ecdb2f70f7f51004dac951c56"
+            "sourceHash" : "891efccce53abf27783c73e3a9d5780c9ac4a83f5acb3dfc73afe3f43f1df75f"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x5a002b9fe21f4d8a377fe51cb725a3907dad225fbfa32573ba53f3fc21b2c1e2",
-                    "mixHash" : "0xbff169a95b5aa688b415df46b3ace7939622435f162c07f75565dab4cbb7d161",
-                    "nonce" : "0xaa7fe6f49abd43cf",
+                    "hash" : "0xaee0c1143ed6303e960c0da91fae2b882b23575cde83adc80514fffb03037056",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0xaaeb8fd73fb5bb72ea43a20ff88acabc35d39f89d4bb7a745bef750f856c77aa",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x5a002b9fe21f4d8a377fe51cb725a3907dad225fbfa32573ba53f3fc21b2c1e2",
+        "lastblockhash" : "0xaee0c1143ed6303e960c0da91fae2b882b23575cde83adc80514fffb03037056",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d7g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g1v0Filler.json",
-            "sourceHash" : "6ecc4e56a4882869eeda124ba5236e008cc9258ecdb2f70f7f51004dac951c56"
+            "sourceHash" : "891efccce53abf27783c73e3a9d5780c9ac4a83f5acb3dfc73afe3f43f1df75f"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x2ef4da3173da0f11b844627be8a3a40c0781c157246a832a918c754a65e4581f",
-                    "mixHash" : "0x30cf8385fa3e14ca00ae2be7a3bca24a836776dbb71c62d4df0a8f8aa72879e6",
-                    "nonce" : "0x853be4275ea9ff7f",
+                    "hash" : "0xaee0c1143ed6303e960c0da91fae2b882b23575cde83adc80514fffb03037056",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0xaaeb8fd73fb5bb72ea43a20ff88acabc35d39f89d4bb7a745bef750f856c77aa",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2ef4da3173da0f11b844627be8a3a40c0781c157246a832a918c754a65e4581f",
+        "lastblockhash" : "0xaee0c1143ed6303e960c0da91fae2b882b23575cde83adc80514fffb03037056",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g2v0.json
index 72a2b4981..eb2263736 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d7g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g2v0Filler.json",
-            "sourceHash" : "f0c94a823e3b25508441b4f2bb116e1196ebeb0917c2d34354cb006fbc8eeb7f"
+            "sourceHash" : "cf71c4b6244da24315eef4a41e1aaa9063beb247512c552eed0be421d3845a4a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf45e",
-                    "hash" : "0xddcecef00850184ed764b4ef8c7d02e8b8bfb8b20e6df047b873e997cc6c5560",
-                    "mixHash" : "0xf320584f7cbe49dc994e0dfa2cac795a8fffb16b0f063db31721ce27ce945664",
-                    "nonce" : "0xefaef1c8fcb37fc5",
+                    "hash" : "0x146ae4b3471c73a78b82fc3be73ad6175a0f1bc299e8068ba426cf0968c49144",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6fdb43df36d747e422af96989f89567e9bf2f218420416bab10ebac8cdd550a0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x3b14df28129c25d86d56ba07b735476b94c118869e979b38bd756987e1560eac",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xddcecef00850184ed764b4ef8c7d02e8b8bfb8b20e6df047b873e997cc6c5560",
+        "lastblockhash" : "0x146ae4b3471c73a78b82fc3be73ad6175a0f1bc299e8068ba426cf0968c49144",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d7g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g2v0Filler.json",
+            "sourceHash" : "cf71c4b6244da24315eef4a41e1aaa9063beb247512c552eed0be421d3845a4a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf45e",
+                    "hash" : "0xdc8e6491d8513a034951ef13aa4b3b3e3c8e7bd2536861e3b7bddf116015a08f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x6fdb43df36d747e422af96989f89567e9bf2f218420416bab10ebac8cdd550a0",
+                    "stateRoot" : "0x00d63824eef924b668f2c13da7b72b1b8652e312eeeedf24030cc16ce54a35e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x3b14df28129c25d86d56ba07b735476b94c118869e979b38bd756987e1560eac",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x9adce04a745cdd12612da4318187a1756d990c3cc85e6aa509ca6024aa02c39b",
+                        "s" : "0x3c6b63f76e3d314610b9310538aa9906924ea7ee98ac2b42b2337a8634695aba",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xdc8e6491d8513a034951ef13aa4b3b3e3c8e7bd2536861e3b7bddf116015a08f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f45e",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0ba2",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d7g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g2v0Filler.json",
-            "sourceHash" : "f0c94a823e3b25508441b4f2bb116e1196ebeb0917c2d34354cb006fbc8eeb7f"
+            "sourceHash" : "cf71c4b6244da24315eef4a41e1aaa9063beb247512c552eed0be421d3845a4a"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0xcf42fe13d9471f93ea40a8b09c49133f7e500c04c723031a92c70a0fb3e900f1",
-                    "mixHash" : "0x791f9abb9bf033ff1c97d92e0c04a0582311bcf7df0b1152877315e82a507df8",
-                    "nonce" : "0x3ed7abff917d1d7e",
+                    "hash" : "0x0a5f3022c4f923f50212d9a736f955a8701a4ccf0205c0b359715805bca0db32",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x3b14df28129c25d86d56ba07b735476b94c118869e979b38bd756987e1560eac",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xcf42fe13d9471f93ea40a8b09c49133f7e500c04c723031a92c70a0fb3e900f1",
+        "lastblockhash" : "0x0a5f3022c4f923f50212d9a736f955a8701a4ccf0205c0b359715805bca0db32",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d7g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g2v0Filler.json",
-            "sourceHash" : "f0c94a823e3b25508441b4f2bb116e1196ebeb0917c2d34354cb006fbc8eeb7f"
+            "sourceHash" : "cf71c4b6244da24315eef4a41e1aaa9063beb247512c552eed0be421d3845a4a"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0xb5fc0befb22a282b5f3a41ea1e5fb0328b8b4c64c11142f44102f9ad698a85ac",
-                    "mixHash" : "0x78a4fd7dc290f8f4bda0fea90a0f708ca04a3342bb94323d7de6d85f6570d933",
-                    "nonce" : "0x10c0790579629ada",
+                    "hash" : "0x0a5f3022c4f923f50212d9a736f955a8701a4ccf0205c0b359715805bca0db32",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x3b14df28129c25d86d56ba07b735476b94c118869e979b38bd756987e1560eac",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb5fc0befb22a282b5f3a41ea1e5fb0328b8b4c64c11142f44102f9ad698a85ac",
+        "lastblockhash" : "0x0a5f3022c4f923f50212d9a736f955a8701a4ccf0205c0b359715805bca0db32",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g3v0.json
index 516c9839a..1f82946a6 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d7g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d7g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g3v0Filler.json",
-            "sourceHash" : "a94e3296ddc80eef8fcf8b238101db4203096bc3f09447541ddef52b2e71784e"
+            "sourceHash" : "247273ea16610280b14944d0d9fe5fb0d397e81598eb92fa46d3465fbc63b4b6"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xf45e",
-                    "hash" : "0xaea1cc3350c0e77266bc1df093a888ef5c741bffd88df141ff1458c91d16ea3a",
-                    "mixHash" : "0x83059354c540377e84415c669d69fada91f01ad15724118a58857e954841ba27",
-                    "nonce" : "0x3fc19532bb8bc97d",
+                    "hash" : "0xb15ef351e91c920dd775bfe1e185c80d246fe8b4a57ff4beb4cef15812a19168",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x6fdb43df36d747e422af96989f89567e9bf2f218420416bab10ebac8cdd550a0",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x8829b2b4593552c3f0e5b51fe7ca121b0f786407976119a84c39b4b818226c84",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa05055712747050caa6fec3bf885fadad63a6b271925b89006df05cdd7b4568496a08829b2b4593552c3f0e5b51fe7ca121b0f786407976119a84c39b4b818226c84a06fdb43df36d747e422af96989f89567e9bf2f218420416bab10ebac8cdd550a0b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082f45e8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c4800183030d4094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000801ca0ece129ecb03638139ce470a8819e485222a505fcaa539b42e1c202ea65974099a075af89d265e00cf07e6f3e7800b9c25b1cbc0bc7b2e5a2ce929a4425d30e597bc0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xaea1cc3350c0e77266bc1df093a888ef5c741bffd88df141ff1458c91d16ea3a",
+        "lastblockhash" : "0xb15ef351e91c920dd775bfe1e185c80d246fe8b4a57ff4beb4cef15812a19168",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -106,15 +106,126 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d7g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g3v0Filler.json",
+            "sourceHash" : "247273ea16610280b14944d0d9fe5fb0d397e81598eb92fa46d3465fbc63b4b6"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xf45e",
+                    "hash" : "0x9f113330e6285991be570b95708df3388f6728c9b7d53468141fcb6c8e15c173",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x6fdb43df36d747e422af96989f89567e9bf2f218420416bab10ebac8cdd550a0",
+                    "stateRoot" : "0x00d63824eef924b668f2c13da7b72b1b8652e312eeeedf24030cc16ce54a35e7",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x8829b2b4593552c3f0e5b51fe7ca121b0f786407976119a84c39b4b818226c84",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xece129ecb03638139ce470a8819e485222a505fcaa539b42e1c202ea65974099",
+                        "s" : "0x75af89d265e00cf07e6f3e7800b9c25b1cbc0bc7b2e5a2ce929a4425d30e597b",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x9f113330e6285991be570b95708df3388f6728c9b7d53468141fcb6c8e15c173",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01",
+                    "0x02" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8f45e",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f0ba2",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d7g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g3v0Filler.json",
-            "sourceHash" : "a94e3296ddc80eef8fcf8b238101db4203096bc3f09447541ddef52b2e71784e"
+            "sourceHash" : "247273ea16610280b14944d0d9fe5fb0d397e81598eb92fa46d3465fbc63b4b6"
         },
         "blocks" : [
             {
@@ -125,9 +236,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x473a118d8c520bd7ffa82cd1b072831983616fa19bf05fff996ff8f2a87e1e82",
-                    "mixHash" : "0xc86e32ee3fab01b1331fc9c99c63e4c8f335a8ea2128a59f3ac66aea5d3047b3",
-                    "nonce" : "0xd2286e5cfaff8d69",
+                    "hash" : "0x916f764449381cc8b8db34a41d3969821f9669e58e291417d284e3d03822eb8f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -136,7 +247,7 @@
                     "transactionsTrie" : "0x8829b2b4593552c3f0e5b51fe7ca121b0f786407976119a84c39b4b818226c84",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -173,7 +284,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x473a118d8c520bd7ffa82cd1b072831983616fa19bf05fff996ff8f2a87e1e82",
+        "lastblockhash" : "0x916f764449381cc8b8db34a41d3969821f9669e58e291417d284e3d03822eb8f",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -214,15 +325,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d7g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d7g3v0Filler.json",
-            "sourceHash" : "a94e3296ddc80eef8fcf8b238101db4203096bc3f09447541ddef52b2e71784e"
+            "sourceHash" : "247273ea16610280b14944d0d9fe5fb0d397e81598eb92fa46d3465fbc63b4b6"
         },
         "blocks" : [
             {
@@ -233,9 +345,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb993",
-                    "hash" : "0x14e0532d6fad41ba3dfbf8e7c2046c2464efa3f7e891eadebadd12ac546ac561",
-                    "mixHash" : "0x81589d556193b92d9d25d8a91b62f0d3637031a47f1e7009a6480379487f48a5",
-                    "nonce" : "0xf8b814834f821b32",
+                    "hash" : "0x916f764449381cc8b8db34a41d3969821f9669e58e291417d284e3d03822eb8f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xfb9c3d93efbcd6022f642567f3eec8f2e89816cc0f7f8fc7fe70dddf8af66a5d",
@@ -244,7 +356,7 @@
                     "transactionsTrie" : "0x8829b2b4593552c3f0e5b51fe7ca121b0f786407976119a84c39b4b818226c84",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000080",
@@ -281,7 +393,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x14e0532d6fad41ba3dfbf8e7c2046c2464efa3f7e891eadebadd12ac546ac561",
+        "lastblockhash" : "0x916f764449381cc8b8db34a41d3969821f9669e58e291417d284e3d03822eb8f",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -322,6 +434,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g0v0.json
index 9e5dfcaed..6160d1c1b 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d8g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g0v0Filler.json",
-            "sourceHash" : "f9577d5b68474ca9f3991891ec4adbea8cffaea427f3a97088a8081336c0ea49"
+            "sourceHash" : "4b960e780876941cecf09e200bfb84c5d67684812777aa71f896731b722af7e9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb986",
-                    "hash" : "0x1441fb08c93dba65e74176cbd746cb081ba10fa138fd2a3aecf8197749eefde3",
-                    "mixHash" : "0x358fb54e12290b61a2217a9ccd793fcbbf7683f4f603f824d5e0fa768fea7bf1",
-                    "nonce" : "0xf3952ccf8f78cbe0",
+                    "hash" : "0xad4ed64a32b44e27d03226c4a9c2b6d326b0959910f6e3ee76e68b8dfeea6f62",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4b0771b165a0b69b612c0a4f354e74512ca13182de5e6f9aec39a0b18fe05fa2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xc57cdeffa8a4f5ef61e7a9a21221dd8f3b59474e8125d8df6726ef05c9c7147b",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
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                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x1441fb08c93dba65e74176cbd746cb081ba10fa138fd2a3aecf8197749eefde3",
+        "lastblockhash" : "0xad4ed64a32b44e27d03226c4a9c2b6d326b0959910f6e3ee76e68b8dfeea6f62",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d8g0v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
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+            "nonce" : "0x0102030405060708",
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+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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+                "nonce" : "0x00",
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+                }
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6c6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f593a",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
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+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
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+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d8g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g0v0Filler.json",
-            "sourceHash" : "f9577d5b68474ca9f3991891ec4adbea8cffaea427f3a97088a8081336c0ea49"
+            "sourceHash" : "4b960e780876941cecf09e200bfb84c5d67684812777aa71f896731b722af7e9"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb953",
-                    "hash" : "0xa57f3900f34c3462190175337b2af577dd5a652bb6bb6c04318620b800f37afa",
-                    "mixHash" : "0x3d4321c6003821d2d37d10db251c91d7d0d20b8135ec23f34fbcccd2febafc9c",
-                    "nonce" : "0x3f2729917271d610",
+                    "hash" : "0x6dd2748571961015588e4c05d925a0b42c219c11bbcf9546b5d9ba8b3f7751bc",
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                     "receiptTrie" : "0x54c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xc57cdeffa8a4f5ef61e7a9a21221dd8f3b59474e8125d8df6726ef05c9c7147b",
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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-        "lastblockhash" : "0xa57f3900f34c3462190175337b2af577dd5a652bb6bb6c04318620b800f37afa",
+        "lastblockhash" : "0x6dd2748571961015588e4c05d925a0b42c219c11bbcf9546b5d9ba8b3f7751bc",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d8g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g0v0Filler.json",
-            "sourceHash" : "f9577d5b68474ca9f3991891ec4adbea8cffaea427f3a97088a8081336c0ea49"
+            "sourceHash" : "4b960e780876941cecf09e200bfb84c5d67684812777aa71f896731b722af7e9"
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         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb953",
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-                    "mixHash" : "0xfc4ef338c02e184ed40114563beaca348addce7ef7234ee1336c50cdd744ec02",
-                    "nonce" : "0xeb253474bc721a97",
+                    "hash" : "0x6dd2748571961015588e4c05d925a0b42c219c11bbcf9546b5d9ba8b3f7751bc",
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@@ -243,7 +354,7 @@
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                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xa4605f05516b14d7b3f272c9f206ac64299c89bc1029cb67162fab31c4b3a5f7",
+        "lastblockhash" : "0x6dd2748571961015588e4c05d925a0b42c219c11bbcf9546b5d9ba8b3f7751bc",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g1v0.json
index 106478094..b401dae75 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d8g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g1v0Filler.json",
-            "sourceHash" : "87ac6098d552398227a995d74ddb46f8d6c9f0bed3a7ab38222e975ed18ec0c6"
+            "sourceHash" : "ff58be6fd6a080dbca5e5c984891b2f0576cd9aaf7f8dfcea4630b12f567e27a"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb986",
-                    "hash" : "0xaa02b0ec9890c922224b3fecd01b2563909db43220350c3fc8f85c83c73c72e9",
-                    "mixHash" : "0x202456923584f5905c267d94a7f7d3462b96f0f486765370d9f2d20eac42d027",
-                    "nonce" : "0x9f48e565d3e79009",
+                    "hash" : "0x65a7eebe19fc62be27c538c424615e0cfa57d59906aad6375853867cc2ff2cdf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4b0771b165a0b69b612c0a4f354e74512ca13182de5e6f9aec39a0b18fe05fa2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x871c1570a5f806eb5477f98dd06bba3b98e2b9b66cf9b108e42482153e713b32",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xaa02b0ec9890c922224b3fecd01b2563909db43220350c3fc8f85c83c73c72e9",
+        "lastblockhash" : "0x65a7eebe19fc62be27c538c424615e0cfa57d59906aad6375853867cc2ff2cdf",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d8g1v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g1v0Filler.json",
+            "sourceHash" : "ff58be6fd6a080dbca5e5c984891b2f0576cd9aaf7f8dfcea4630b12f567e27a"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6c6",
+                    "hash" : "0xd67a436e1c457ae4a89c11c397dd26c75b075be70b496738701d25e3d4f17eaf",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x61987c13919292560647bf2bba6db637434a2e0c8a976322f18ea2092990be52",
+                    "stateRoot" : "0xd6fcc5fef6b944f8c92961a9f5c7a2921360d9497d254da3fa77e2d0ab9370a0",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x871c1570a5f806eb5477f98dd06bba3b98e2b9b66cf9b108e42482153e713b32",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
+                        "gasLimit" : "0x015f90",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x7250a66bb19804e364e47a808c67b66ef6f844430f56432e63a8772897dd970f",
+                        "s" : "0x208b89c015c59eabc7e1d5b49bd0b5008a6862c6d6869078a2cc5a48328238ac",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xd67a436e1c457ae4a89c11c397dd26c75b075be70b496738701d25e3d4f17eaf",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6c6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f593a",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d8g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g1v0Filler.json",
-            "sourceHash" : "87ac6098d552398227a995d74ddb46f8d6c9f0bed3a7ab38222e975ed18ec0c6"
+            "sourceHash" : "ff58be6fd6a080dbca5e5c984891b2f0576cd9aaf7f8dfcea4630b12f567e27a"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb953",
-                    "hash" : "0xb93c0c7407f1df98f0a0a8d1366e0f8952aa94d790230367e5d00e26d4addcf5",
-                    "mixHash" : "0xc8f7f6ec0b49d721c22cddd67edd303882692c26e3ea7f944cc06a66683aa0e4",
-                    "nonce" : "0x1369bd62551aabf7",
+                    "hash" : "0xf6201cff9d6b73110626b1ea30d8b12272a724b1ebfad368ca4591b6fccc5182",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x871c1570a5f806eb5477f98dd06bba3b98e2b9b66cf9b108e42482153e713b32",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb93c0c7407f1df98f0a0a8d1366e0f8952aa94d790230367e5d00e26d4addcf5",
+        "lastblockhash" : "0xf6201cff9d6b73110626b1ea30d8b12272a724b1ebfad368ca4591b6fccc5182",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d8g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g1v0Filler.json",
-            "sourceHash" : "87ac6098d552398227a995d74ddb46f8d6c9f0bed3a7ab38222e975ed18ec0c6"
+            "sourceHash" : "ff58be6fd6a080dbca5e5c984891b2f0576cd9aaf7f8dfcea4630b12f567e27a"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb953",
-                    "hash" : "0x10b6e249dfd836a64c4434ec6b259d0dd0869ef98b5f316f59b055bb70aa77df",
-                    "mixHash" : "0x150b7c193efe44ed4db789a6435f1ec050e410015de21f8bda48dd0ee36889d0",
-                    "nonce" : "0xa6daff90f759b268",
+                    "hash" : "0xf6201cff9d6b73110626b1ea30d8b12272a724b1ebfad368ca4591b6fccc5182",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x871c1570a5f806eb5477f98dd06bba3b98e2b9b66cf9b108e42482153e713b32",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x10b6e249dfd836a64c4434ec6b259d0dd0869ef98b5f316f59b055bb70aa77df",
+        "lastblockhash" : "0xf6201cff9d6b73110626b1ea30d8b12272a724b1ebfad368ca4591b6fccc5182",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g2v0.json
index e1a13d9d6..30aa54308 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d8g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g2v0Filler.json",
-            "sourceHash" : "2fe8cee532d64e0b292ad10660a1f3e73936c7a994cceef2bb778a2e22c2e1c1"
+            "sourceHash" : "3aef237b424f6c19b8eda89e01aa1e09443ed1b47f30a8fd76c0161f2fef7564"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb986",
-                    "hash" : "0x3209a9d5ec7333660b14da28d09a60e765b4f58d3a1ed9f4a65d1953d78c6388",
-                    "mixHash" : "0xa04470aadfc1cff6ed4026dba4a8079ff4343d3095c92820893fbb256ac17695",
-                    "nonce" : "0x9234570041344cd0",
+                    "hash" : "0x28e978fd90c70d41721102f2cf4f270d9a0f7fadb6f47bd742e61eec4fc0ed34",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4b0771b165a0b69b612c0a4f354e74512ca13182de5e6f9aec39a0b18fe05fa2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x31db654f4b49f2ec25ff14d17ecff0a3f59364e4311ee0b3e3f84d386743276e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x3209a9d5ec7333660b14da28d09a60e765b4f58d3a1ed9f4a65d1953d78c6388",
+        "lastblockhash" : "0x28e978fd90c70d41721102f2cf4f270d9a0f7fadb6f47bd742e61eec4fc0ed34",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d8g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g2v0Filler.json",
+            "sourceHash" : "3aef237b424f6c19b8eda89e01aa1e09443ed1b47f30a8fd76c0161f2fef7564"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6c6",
+                    "hash" : "0x98a0082c812b5a2f33548efafd464abb7afa1c21064a140bdf1fbce6915a5d12",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x61987c13919292560647bf2bba6db637434a2e0c8a976322f18ea2092990be52",
+                    "stateRoot" : "0xd6fcc5fef6b944f8c92961a9f5c7a2921360d9497d254da3fa77e2d0ab9370a0",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x31db654f4b49f2ec25ff14d17ecff0a3f59364e4311ee0b3e3f84d386743276e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x28178bbcceda207e795be0e16642f35e0e0853279d56f121a0d17f88344c0381",
+                        "s" : "0x695fa22e576af027ccaac41074df312f194d2a2beff6f5da4835059dd3e4d835",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x98a0082c812b5a2f33548efafd464abb7afa1c21064a140bdf1fbce6915a5d12",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6c6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f593a",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d8g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g2v0Filler.json",
-            "sourceHash" : "2fe8cee532d64e0b292ad10660a1f3e73936c7a994cceef2bb778a2e22c2e1c1"
+            "sourceHash" : "3aef237b424f6c19b8eda89e01aa1e09443ed1b47f30a8fd76c0161f2fef7564"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb953",
-                    "hash" : "0xf62498aa410de537269b9fc1f39f492c447a1cd1d23f9c2263546ac3e4213769",
-                    "mixHash" : "0x9d8d5d8632dd5433453bc172247dd10c69b25a97c77ad74797aac94e8b87fdf6",
-                    "nonce" : "0xe9e675f00fdfbb03",
+                    "hash" : "0xa265e90c217497af7b55a927742469d52980f611b133ca369a90219ee9cc3b04",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x31db654f4b49f2ec25ff14d17ecff0a3f59364e4311ee0b3e3f84d386743276e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa04e7c020febcb701ba1d39872ebfe0a651f94d7caae5e899776815db7d9da3cfea031db654f4b49f2ec25ff14d17ecff0a3f59364e4311ee0b3e3f84d386743276ea054c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9538203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018301adb094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000001ca028178bbcceda207e795be0e16642f35e0e0853279d56f121a0d17f88344c0381a0695fa22e576af027ccaac41074df312f194d2a2beff6f5da4835059dd3e4d835c0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf62498aa410de537269b9fc1f39f492c447a1cd1d23f9c2263546ac3e4213769",
+        "lastblockhash" : "0xa265e90c217497af7b55a927742469d52980f611b133ca369a90219ee9cc3b04",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d8g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g2v0Filler.json",
-            "sourceHash" : "2fe8cee532d64e0b292ad10660a1f3e73936c7a994cceef2bb778a2e22c2e1c1"
+            "sourceHash" : "3aef237b424f6c19b8eda89e01aa1e09443ed1b47f30a8fd76c0161f2fef7564"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb953",
-                    "hash" : "0x4a32aa4391e8ea72a00ab56541f8dd67182ca7ea75ba7f11b501ffe623c77486",
-                    "mixHash" : "0x9e0e51878c62c3468a510f0ab77315df479e6a39a4fdab76ad62127a2a35e3ec",
-                    "nonce" : "0xc8fbe4d78f277140",
+                    "hash" : "0xa265e90c217497af7b55a927742469d52980f611b133ca369a90219ee9cc3b04",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x31db654f4b49f2ec25ff14d17ecff0a3f59364e4311ee0b3e3f84d386743276e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x4a32aa4391e8ea72a00ab56541f8dd67182ca7ea75ba7f11b501ffe623c77486",
+        "lastblockhash" : "0xa265e90c217497af7b55a927742469d52980f611b133ca369a90219ee9cc3b04",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g3v0.json
index cd4b0fe9b..c445f5208 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d8g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d8g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g3v0Filler.json",
-            "sourceHash" : "f6cb796209516f79d5c52a9b96402d9075d562af0d3bc83eb313b44949bd9b56"
+            "sourceHash" : "548cbc271ab0ae13594ee8403ec4a59d576498d1c118489380705228f6afebe9"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb986",
-                    "hash" : "0x93d44b3e4324615c12ebc74d9eec05a05da0a0e70104b0024697a557065c84dc",
-                    "mixHash" : "0x943dac6d75928fe837001de389bfa418d558cd6c81475d23082d35b1b9d1fff6",
-                    "nonce" : "0x2b675c62d830cc09",
+                    "hash" : "0x0d32ab08fcd637f43810f23edcbfedda1b33f27cbd19b9ae092dd1b882b3020b",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x4b0771b165a0b69b612c0a4f354e74512ca13182de5e6f9aec39a0b18fe05fa2",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x833a1548e29da34f4602e390267251628da9ec86b06eb49be00abbda5727bf05",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x93d44b3e4324615c12ebc74d9eec05a05da0a0e70104b0024697a557065c84dc",
+        "lastblockhash" : "0x0d32ab08fcd637f43810f23edcbfedda1b33f27cbd19b9ae092dd1b882b3020b",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d8g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g3v0Filler.json",
+            "sourceHash" : "548cbc271ab0ae13594ee8403ec4a59d576498d1c118489380705228f6afebe9"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6c6",
+                    "hash" : "0x977382d7ae1b849483ab00fa6a9d4f133bd0cdb8f065f81c8d5cd20d6f0cf584",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x61987c13919292560647bf2bba6db637434a2e0c8a976322f18ea2092990be52",
+                    "stateRoot" : "0xd6fcc5fef6b944f8c92961a9f5c7a2921360d9497d254da3fa77e2d0ab9370a0",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x833a1548e29da34f4602e390267251628da9ec86b06eb49be00abbda5727bf05",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x50b45aca34bb4a86cd469569382a875dbaf0a4d7634d5cd7a146419454727fc5",
+                        "s" : "0x7b051cd6adcd089330162ae54f08f68ad4fe99e966e458a08f35ed18b257d35c",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0x977382d7ae1b849483ab00fa6a9d4f133bd0cdb8f065f81c8d5cd20d6f0cf584",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6c6",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f593a",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d8g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g3v0Filler.json",
-            "sourceHash" : "f6cb796209516f79d5c52a9b96402d9075d562af0d3bc83eb313b44949bd9b56"
+            "sourceHash" : "548cbc271ab0ae13594ee8403ec4a59d576498d1c118489380705228f6afebe9"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb953",
-                    "hash" : "0x583351f88dbbe1342412dfb6f0b2555fb1e68eba07d4d8668ce12aeae8eaf773",
-                    "mixHash" : "0x6fba3dd16c50667056d3869414a5b0edc9f6a57883ae58508d5fcc63504df15e",
-                    "nonce" : "0xd3d7c855f015180c",
+                    "hash" : "0x8e658ed07a0975313258b67a205d7ee095fd7d325520838a98494eed11e5f187",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x833a1548e29da34f4602e390267251628da9ec86b06eb49be00abbda5727bf05",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa04e7c020febcb701ba1d39872ebfe0a651f94d7caae5e899776815db7d9da3cfea0833a1548e29da34f4602e390267251628da9ec86b06eb49be00abbda5727bf05a054c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b9538203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c4800183030d4094100000000000000000000000000000000000000080b8630000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000200000001ba050b45aca34bb4a86cd469569382a875dbaf0a4d7634d5cd7a146419454727fc5a07b051cd6adcd089330162ae54f08f68ad4fe99e966e458a08f35ed18b257d35cc0",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x583351f88dbbe1342412dfb6f0b2555fb1e68eba07d4d8668ce12aeae8eaf773",
+        "lastblockhash" : "0x8e658ed07a0975313258b67a205d7ee095fd7d325520838a98494eed11e5f187",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d8g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d8g3v0Filler.json",
-            "sourceHash" : "f6cb796209516f79d5c52a9b96402d9075d562af0d3bc83eb313b44949bd9b56"
+            "sourceHash" : "548cbc271ab0ae13594ee8403ec4a59d576498d1c118489380705228f6afebe9"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb953",
-                    "hash" : "0xc6a6c4506071b7b58533345d406be2ce66d8ab28f070aae03adc22c57a76c989",
-                    "mixHash" : "0x8edead8f18f6541ef7305397d1c275bba75d725334920860343447a58339e5ac",
-                    "nonce" : "0x240cb335aeed3abd",
+                    "hash" : "0x8e658ed07a0975313258b67a205d7ee095fd7d325520838a98494eed11e5f187",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x54c816c8844b75471610a5537b82e7345722e976002c32b535e17c5ae573a374",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x833a1548e29da34f4602e390267251628da9ec86b06eb49be00abbda5727bf05",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000020000000",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xc6a6c4506071b7b58533345d406be2ce66d8ab28f070aae03adc22c57a76c989",
+        "lastblockhash" : "0x8e658ed07a0975313258b67a205d7ee095fd7d325520838a98494eed11e5f187",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g0v0.json
index 535853d84..cdde3a6a4 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g0v0.json
@@ -2,10 +2,10 @@
     "modexp_d9g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g0v0Filler.json",
-            "sourceHash" : "426e5afe81501cca047bad900ec45db8ca8ed80855adb93905b16570b9bb6132"
+            "sourceHash" : "2ba4aa8c32436d5055575f176cdbf3a1e9379a8d6d1f64e4ba3bd2d3be1eaafe"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xbfd0aa76960f8611477ad6c2ca26c9c8822ad714417ad14789bedf846b52b09f",
-                    "mixHash" : "0x22cfc5dba0314598d766e93e6ee56aebd798137f489a7397e5fc8a36089e365c",
-                    "nonce" : "0xe02075474dc5a724",
+                    "hash" : "0xe0317943a240debf3524699f7e94c2b4a53e014caae87ffa1f99a1ce1bbf9e8d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x15743da4b076cf53f3afa49acf4989fa4067fbd68b6d112f1300062bc995f7e3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa04a1b85c572e3f22580c49dc5103f9ad8fac11e25b174ca4da5027bd62df6e788a015743da4b076cf53f3afa49acf4989fa4067fbd68b6d112f1300062bc995f7e3a0c403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98f8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018405f5e10094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000001011ca083874b44aa69eb3dcbd314c7f023d3bbfa235b46b34df5fc3c66c011298c0b6ea032ee67eeb18b898823c6eab6fe091ed4bab424720c06419675b3b7b4582780a3c0",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbfd0aa76960f8611477ad6c2ca26c9c8822ad714417ad14789bedf846b52b09f",
+        "lastblockhash" : "0xe0317943a240debf3524699f7e94c2b4a53e014caae87ffa1f99a1ce1bbf9e8d",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d9g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g0v0Filler.json",
+            "sourceHash" : "2ba4aa8c32436d5055575f176cdbf3a1e9379a8d6d1f64e4ba3bd2d3be1eaafe"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0x58913799f13c0c3fe740f90a1da061c0bf59617ba9472c736f287f738d9e18c2",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x15743da4b076cf53f3afa49acf4989fa4067fbd68b6d112f1300062bc995f7e3",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "0xf902c5f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20da015743da4b076cf53f3afa49acf4989fa4067fbd68b6d112f1300062bc995f7e3a071531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082a6cf8203e880a00000000000000000000000000000000000000000000000000000000000000000880000000000000000f8c6f8c480018405f5e10094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000001011ca083874b44aa69eb3dcbd314c7f023d3bbfa235b46b34df5fc3c66c011298c0b6ea032ee67eeb18b898823c6eab6fe091ed4bab424720c06419675b3b7b4582780a3c0",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
+                        "gasLimit" : "0x05f5e100",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x83874b44aa69eb3dcbd314c7f023d3bbfa235b46b34df5fc3c66c011298c0b6e",
+                        "s" : "0x32ee67eeb18b898823c6eab6fe091ed4bab424720c06419675b3b7b4582780a3",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x58913799f13c0c3fe740f90a1da061c0bf59617ba9472c736f287f738d9e18c2",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d9g0v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g0v0Filler.json",
-            "sourceHash" : "426e5afe81501cca047bad900ec45db8ca8ed80855adb93905b16570b9bb6132"
+            "sourceHash" : "2ba4aa8c32436d5055575f176cdbf3a1e9379a8d6d1f64e4ba3bd2d3be1eaafe"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xe527107937006644890f6974cee980887789bee4b168c3006d7ddfe8251cb7e7",
-                    "mixHash" : "0xc6b7c0077764cfc3ae56affc92be9c5e0904150e652325a7d67a6ddd6ab8b65f",
-                    "nonce" : "0x527e9bac8425d340",
+                    "hash" : "0xf28fac74611430ecd48272f0c1dbb0b600679d1ec708c2b3be40f960f56a929c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x15743da4b076cf53f3afa49acf4989fa4067fbd68b6d112f1300062bc995f7e3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe527107937006644890f6974cee980887789bee4b168c3006d7ddfe8251cb7e7",
+        "lastblockhash" : "0xf28fac74611430ecd48272f0c1dbb0b600679d1ec708c2b3be40f960f56a929c",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d9g0v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g0v0Filler.json",
-            "sourceHash" : "426e5afe81501cca047bad900ec45db8ca8ed80855adb93905b16570b9bb6132"
+            "sourceHash" : "2ba4aa8c32436d5055575f176cdbf3a1e9379a8d6d1f64e4ba3bd2d3be1eaafe"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xe8702d4522e30b3747bd7b1f8d4b7bf9119ed2c1b7a920f89c4821c4d10fc722",
-                    "mixHash" : "0x3a6bae7953579f86ad411617501b6cde0ec6020d2681f1cd1222ad74ffde781b",
-                    "nonce" : "0x2c5e65590947e476",
+                    "hash" : "0xf28fac74611430ecd48272f0c1dbb0b600679d1ec708c2b3be40f960f56a929c",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x15743da4b076cf53f3afa49acf4989fa4067fbd68b6d112f1300062bc995f7e3",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xe8702d4522e30b3747bd7b1f8d4b7bf9119ed2c1b7a920f89c4821c4d10fc722",
+        "lastblockhash" : "0xf28fac74611430ecd48272f0c1dbb0b600679d1ec708c2b3be40f960f56a929c",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g1v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g1v0.json
index 04d67313a..f92ea260d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g1v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g1v0.json
@@ -2,10 +2,10 @@
     "modexp_d9g1v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g1v0Filler.json",
-            "sourceHash" : "ba3b31bae2c22343079c158ab845eda83330d9fd34d67a602f0f0ed9382e15ea"
+            "sourceHash" : "d49c95f1b0c8915e57ec4f835622f071a5bc5924ef639ece7580d19ccdd9b365"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xd68d4e0614f5d494551574fea37e48754b4adc7c4a56ba894c9a5c9081433015",
-                    "mixHash" : "0x7a273246c65a1835af2bdc7803589fa324cbe04ddb2bf8df5b0d387c860f07b6",
-                    "nonce" : "0x37866a6c7cbe2366",
+                    "hash" : "0x05d3e16ac0d4d558697d929a10d47af7f9378222d2dbe898abb22e44451311e0",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0xbf63e459d6f714706434f793c9f3763bc81d2b85d19fe87dd7dd13b357b8ed2a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
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+                "rlp" : "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",
                 "transactions" : [
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@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0xd68d4e0614f5d494551574fea37e48754b4adc7c4a56ba894c9a5c9081433015",
+        "lastblockhash" : "0x05d3e16ac0d4d558697d929a10d47af7f9378222d2dbe898abb22e44451311e0",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d9g1v0_Constantinople" : {
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+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g1v0Filler.json",
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+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
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+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
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+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
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+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0xbe33db908b8d70fbec9869e328479a3dc2b11af6b485bf56ddb30da2ae6eede2",
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+                "nonce" : "0x00",
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+                }
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+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d9g1v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g1v0Filler.json",
-            "sourceHash" : "ba3b31bae2c22343079c158ab845eda83330d9fd34d67a602f0f0ed9382e15ea"
+            "sourceHash" : "d49c95f1b0c8915e57ec4f835622f071a5bc5924ef639ece7580d19ccdd9b365"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x107a5068301eb2ea176ebb0bc602ac2544da0df433602e3c24d39468eef79f02",
-                    "mixHash" : "0x8deec0563ba58a19875988afbe065b0fb85afb919e9ca6d7983137bbdc35f61e",
-                    "nonce" : "0xa28081e9c4511233",
+                    "hash" : "0xf4b73f2c86067b7a84bf13585cf0cf944656aebb908f62aedf2c8fb310ec8479",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
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                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0xbf63e459d6f714706434f793c9f3763bc81d2b85d19fe87dd7dd13b357b8ed2a",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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         "genesisRLP" : "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",
-        "lastblockhash" : "0x107a5068301eb2ea176ebb0bc602ac2544da0df433602e3c24d39468eef79f02",
+        "lastblockhash" : "0xf4b73f2c86067b7a84bf13585cf0cf944656aebb908f62aedf2c8fb310ec8479",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d9g1v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g1v0Filler.json",
-            "sourceHash" : "ba3b31bae2c22343079c158ab845eda83330d9fd34d67a602f0f0ed9382e15ea"
+            "sourceHash" : "d49c95f1b0c8915e57ec4f835622f071a5bc5924ef639ece7580d19ccdd9b365"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xb4c82d187797e1622c07031dcd32ab0a3585eb7ade2d72388a09eb9fd4b5a46b",
-                    "mixHash" : "0x12ed0c6c64eb9a026d26634f1e666a35e6bf5f64b7a9d2791a1000c331edbe2f",
-                    "nonce" : "0xe6b9e858efa3da30",
+                    "hash" : "0xf4b73f2c86067b7a84bf13585cf0cf944656aebb908f62aedf2c8fb310ec8479",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
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@@ -243,7 +354,7 @@
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                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
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@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xb4c82d187797e1622c07031dcd32ab0a3585eb7ade2d72388a09eb9fd4b5a46b",
+        "lastblockhash" : "0xf4b73f2c86067b7a84bf13585cf0cf944656aebb908f62aedf2c8fb310ec8479",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g2v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g2v0.json
index de68d0df5..53c8a714d 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g2v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g2v0.json
@@ -2,10 +2,10 @@
     "modexp_d9g2v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g2v0Filler.json",
-            "sourceHash" : "0a856b7036d112e2c1b5568a98137497cbc9c9dd35b8bf462ad207449a5e8dd6"
+            "sourceHash" : "bb75fbe87429f6fcfe748be411a8fdc8e94f45da2138adefe1332807130cbee2"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x2c917fe71024975da80f5ba1b22e40598f2efb24cbd624ca4d03d3dc040d53d1",
-                    "mixHash" : "0xbb1d72129dff63a2cfc9e59ca90db1c7e2be72a26fd3db91d00927bf09d9a596",
-                    "nonce" : "0x37dc57b8be499033",
+                    "hash" : "0xb7daf999b5129eeeca43c06c80e8649be230a35c0bec15363cd9ff7d8a68de94",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x6fe294293379b0877fd61540a7174f5344a6ceaab5315f07c09622edc946996e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x2c917fe71024975da80f5ba1b22e40598f2efb24cbd624ca4d03d3dc040d53d1",
+        "lastblockhash" : "0xb7daf999b5129eeeca43c06c80e8649be230a35c0bec15363cd9ff7d8a68de94",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d9g2v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g2v0Filler.json",
+            "sourceHash" : "bb75fbe87429f6fcfe748be411a8fdc8e94f45da2138adefe1332807130cbee2"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0xa933cfb9e8a90269b827f287bd67e8ef82dd9d0ec26c67567c6492fb8433d54f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x6fe294293379b0877fd61540a7174f5344a6ceaab5315f07c09622edc946996e",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
+                        "gasLimit" : "0x01adb0",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xf3f7e192f01c7853e3651cd0d392cf3095ad8c76c2635831bcdb7a0dee721890",
+                        "s" : "0x095b22070592a5d0e6f1eceff0329522c2266082124961d30062cf20dac682b9",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1b",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "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",
+        "lastblockhash" : "0xa933cfb9e8a90269b827f287bd67e8ef82dd9d0ec26c67567c6492fb8433d54f",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d9g2v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g2v0Filler.json",
-            "sourceHash" : "0a856b7036d112e2c1b5568a98137497cbc9c9dd35b8bf462ad207449a5e8dd6"
+            "sourceHash" : "bb75fbe87429f6fcfe748be411a8fdc8e94f45da2138adefe1332807130cbee2"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x116662802338f2d960c650e02e432e0f6e8a69e737488be976beec656313ddb7",
-                    "mixHash" : "0x859c1a96a45367abb4c8c7c02ba3270f20b34b169d74ea6ad61edf754be68154",
-                    "nonce" : "0xf1217d4e4a2605ca",
+                    "hash" : "0x8b3867667533aef4471e7752e9d6f5a081471774141914f2d3d716767d2cea39",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x6fe294293379b0877fd61540a7174f5344a6ceaab5315f07c09622edc946996e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
-        "lastblockhash" : "0x116662802338f2d960c650e02e432e0f6e8a69e737488be976beec656313ddb7",
+        "lastblockhash" : "0x8b3867667533aef4471e7752e9d6f5a081471774141914f2d3d716767d2cea39",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d9g2v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g2v0Filler.json",
-            "sourceHash" : "0a856b7036d112e2c1b5568a98137497cbc9c9dd35b8bf462ad207449a5e8dd6"
+            "sourceHash" : "bb75fbe87429f6fcfe748be411a8fdc8e94f45da2138adefe1332807130cbee2"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xbb94856237dc77bbbe4051bd2da74674089b14400492ff10d22ab5e27d0fc41f",
-                    "mixHash" : "0x37242c91e8b4a4531996f13e425c90e12fdda984b72820a1a949533bdf8125a6",
-                    "nonce" : "0x8c946eb3b1f931fe",
+                    "hash" : "0x8b3867667533aef4471e7752e9d6f5a081471774141914f2d3d716767d2cea39",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x6fe294293379b0877fd61540a7174f5344a6ceaab5315f07c09622edc946996e",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa07dfc0ada51723b091e36015148efda8c903c62236d59dbce85c3d354e4afa4fea06fe294293379b0877fd61540a7174f5344a6ceaab5315f07c09622edc946996ea07fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bddab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98f8203e880a037242c91e8b4a4531996f13e425c90e12fdda984b72820a1a949533bdf8125a6888c946eb3b1f931fef8c5f8c380018301adb094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000001011ba0f3f7e192f01c7853e3651cd0d392cf3095ad8c76c2635831bcdb7a0dee721890a0095b22070592a5d0e6f1eceff0329522c2266082124961d30062cf20dac682b9c0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xbb94856237dc77bbbe4051bd2da74674089b14400492ff10d22ab5e27d0fc41f",
+        "lastblockhash" : "0x8b3867667533aef4471e7752e9d6f5a081471774141914f2d3d716767d2cea39",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g3v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g3v0.json
index 3007e1a94..4e50c7cd7 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g3v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/modexp_d9g3v0.json
@@ -2,10 +2,10 @@
     "modexp_d9g3v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g3v0Filler.json",
-            "sourceHash" : "9884d6296c3abe1d9fe7a1c56c6b6a35111b822c795836d503728fe6679ce8c6"
+            "sourceHash" : "ffeb2412872fd0e2e537022574b45fc5935ddd03e321a4334ee0cf72881b94ec"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x82e966a70eb7dae609df90e18fa5f166aaf112b33232022ac141adffea3628ae",
-                    "mixHash" : "0xa788f18a5b12d8ddce3cf60be8f7f336de788b3e83bcbdf44a17d315f0053955",
-                    "nonce" : "0x8a78a4df3227e9aa",
+                    "hash" : "0x1ced6ccd9a8d1e802b56b42e13b5439dd11e2f28f4bb7117989167335b717b2d",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0xc403405c79ef35012968e16f7e7d37773bb20da211197dd24ec0004a5afaccd4",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x295476254768bd527ddccb0696ac0969dd74415eb509c680e9528cd548ac7e1f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x82e966a70eb7dae609df90e18fa5f166aaf112b33232022ac141adffea3628ae",
+        "lastblockhash" : "0x1ced6ccd9a8d1e802b56b42e13b5439dd11e2f28f4bb7117989167335b717b2d",
         "network" : "Byzantium",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -105,15 +105,125 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "modexp_d9g3v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g3v0Filler.json",
+            "sourceHash" : "ffeb2412872fd0e2e537022574b45fc5935ddd03e321a4334ee0cf72881b94ec"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x02540be400",
+                    "gasUsed" : "0xa6cf",
+                    "hash" : "0x01b1f62eac953b74dd99ef4432fa8af90f63c96fa95076e29bcf2cbb4b9fc8a6",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+                    "receiptTrie" : "0x71531f8c1419aacffe52f27937e51fc5b03f6fc9a2e967ae9756deda9cf64089",
+                    "stateRoot" : "0xb15178acc8682c50ab4c66e48095308236ad2d58e3304f3a6ee02557d769a20d",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x295476254768bd527ddccb0696ac0969dd74415eb509c680e9528cd548ac7e1f",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
+                        "gasLimit" : "0x030d40",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0x70b1f906c5d8a69b7574648068b0c7e538f5c2dd4845be3cc97f06b69d00a930",
+                        "s" : "0x69b6d97c185706c1dbea482563d95c0db5f55ab20ecafa93e5a4fd5dfee3b0ca",
+                        "to" : "0x1000000000000000000000000000000000000000",
+                        "v" : "0x1c",
+                        "value" : "0x00"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x02540be400",
+            "gasUsed" : "0x00",
+            "hash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0xb0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484ca",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
+        "genesisRLP" : "0xf901fcf901f7a00000000000000000000000000000000000000000000000000000000000000000a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa0b0afba507e6fef0e690450e0c590ea05c53f4d93ea93a7b92449c437591484caa056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421b901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000808502540be400808203b642a056e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421880102030405060708c0c0",
+        "lastblockhash" : "0x01b1f62eac953b74dd99ef4432fa8af90f63c96fa95076e29bcf2cbb4b9fc8a6",
+        "network" : "Constantinople",
+        "postState" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                    "0x01" : "0x01"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8a6cf",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5de9f5931",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x1000000000000000000000000000000000000000" : {
+                "balance" : "0x00",
+                "code" : "0x36600060003760206103e8366000600060055af26001556103e851600255",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x3635c9adc5dea00000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d9g3v0_EIP150" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g3v0Filler.json",
-            "sourceHash" : "9884d6296c3abe1d9fe7a1c56c6b6a35111b822c795836d503728fe6679ce8c6"
+            "sourceHash" : "ffeb2412872fd0e2e537022574b45fc5935ddd03e321a4334ee0cf72881b94ec"
         },
         "blocks" : [
             {
@@ -124,9 +234,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0xf3e4138a664c8d409df4a3de978fb12f22496107e4443c9fad9b8d3a01c89daa",
-                    "mixHash" : "0x0a1c9ddde2d29ee045732edd62884b677a06c8a00b17b55b98910ffbeb0b5061",
-                    "nonce" : "0x65ddab6160b9aa0e",
+                    "hash" : "0x3e5dc272921a56a7afd41d573e22f0abbd3277228f1a7200a08754c27169543f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -135,7 +245,7 @@
                     "transactionsTrie" : "0x295476254768bd527ddccb0696ac0969dd74415eb509c680e9528cd548ac7e1f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -172,7 +282,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0xf3e4138a664c8d409df4a3de978fb12f22496107e4443c9fad9b8d3a01c89daa",
+        "lastblockhash" : "0x3e5dc272921a56a7afd41d573e22f0abbd3277228f1a7200a08754c27169543f",
         "network" : "EIP150",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -213,15 +323,16 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     },
     "modexp_d9g3v0_EIP158" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/modexp_d9g3v0Filler.json",
-            "sourceHash" : "9884d6296c3abe1d9fe7a1c56c6b6a35111b822c795836d503728fe6679ce8c6"
+            "sourceHash" : "ffeb2412872fd0e2e537022574b45fc5935ddd03e321a4334ee0cf72881b94ec"
         },
         "blocks" : [
             {
@@ -232,9 +343,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x02540be400",
                     "gasUsed" : "0xb98f",
-                    "hash" : "0x593660781c2e1092cee118a3a9551b04b7b5bf525a6623af582e345397129cff",
-                    "mixHash" : "0x940f93a092fac70e65443c46d9bc705079558a31d60368a38f735f61cbd52701",
-                    "nonce" : "0x9ba10ffc753d6331",
+                    "hash" : "0x3e5dc272921a56a7afd41d573e22f0abbd3277228f1a7200a08754c27169543f",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x70fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273",
                     "receiptTrie" : "0x7fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bdda",
@@ -243,7 +354,7 @@
                     "transactionsTrie" : "0x295476254768bd527ddccb0696ac0969dd74415eb509c680e9528cd548ac7e1f",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "0xf902c4f901f9a070fd8962467cac8e2412f97cc4f775613ccc23d5340252ee5cca67b868639273a01dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347942adc25665018aa1fe0e6bc666dac8fc2697ff9baa07dfc0ada51723b091e36015148efda8c903c62236d59dbce85c3d354e4afa4fea0295476254768bd527ddccb0696ac0969dd74415eb509c680e9528cd548ac7e1fa07fed19b8d0192839f55e49fc1c0fdfd6010257eb90391ad9dcdf1fd387e6bddab901000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083020000018502540be40082b98f8203e880a0940f93a092fac70e65443c46d9bc705079558a31d60368a38f735f61cbd52701889ba10ffc753d6331f8c5f8c3800183030d4094100000000000000000000000000000000000000080b86200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000001011ca070b1f906c5d8a69b7574648068b0c7e538f5c2dd4845be3cc97f06b69d00a930a069b6d97c185706c1dbea482563d95c0db5f55ab20ecafa93e5a4fd5dfee3b0cac0",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x0000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000000101",
@@ -280,7 +391,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x593660781c2e1092cee118a3a9551b04b7b5bf525a6623af582e345397129cff",
+        "lastblockhash" : "0x3e5dc272921a56a7afd41d573e22f0abbd3277228f1a7200a08754c27169543f",
         "network" : "EIP158",
         "postState" : {
             "0x1000000000000000000000000000000000000000" : {
@@ -321,6 +432,7 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file
diff --git a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/sec80_d0g0v0.json b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/sec80_d0g0v0.json
index 4cddc833b..0a3c40247 100644
--- a/BlockchainTests/GeneralStateTests/stPreCompiledContracts/sec80_d0g0v0.json
+++ b/BlockchainTests/GeneralStateTests/stPreCompiledContracts/sec80_d0g0v0.json
@@ -2,10 +2,10 @@
     "sec80_d0g0v0_Byzantium" : {
         "_info" : {
             "comment" : "",
-            "filledwith" : "cpp-1.3.0+commit.82b0643a.Linux.g++",
-            "lllcversion" : "Version: 0.4.20-develop.2018.1.8+commit.2548228b.Linux.g++",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
             "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/sec80_d0g0v0Filler.json",
-            "sourceHash" : "c14049667afdcacc1f8d0f46c166fc9aceb23e14ab85b5c483580f068af97b96"
+            "sourceHash" : "117d8f3237dd045434a54f25cc3f568026d61040805f73ce6ee9a71a22b63f4d"
         },
         "blocks" : [
             {
@@ -16,9 +16,9 @@
                     "extraData" : "",
                     "gasLimit" : "0x989680",
                     "gasUsed" : "0xaf2d",
-                    "hash" : "0x82add00154e49b69bbcb3de3f2193fc75cf96a7e6fc2d882c323bba2e916e7c2",
-                    "mixHash" : "0xe0b0a64bc7589e85a94139c80938abdae481945969d187942bf57f783c960bdb",
-                    "nonce" : "0x113bd4f971fb4bb3",
+                    "hash" : "0xf060de9c0d0e94e505cf42448b31d52ec9641524dbe6f0909059b38e1de35034",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
                     "number" : "0x01",
                     "parentHash" : "0x685e58a31539f57e51f4ae36f8e1559aa3d9f52b8a0dcdf5d545066111701abf",
                     "receiptTrie" : "0xcb01b5c5f4202602d4329ead8fb66227f8dfefd2d75b05ee01e76b6118d43517",
@@ -27,7 +27,7 @@
                     "transactionsTrie" : "0x138e622ff34e8a4bed7c2631ee946b094d23bd208e8285e710fc5fa254318627",
                     "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
                 },
-                "rlp" : "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",
+                "rlp" : "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",
                 "transactions" : [
                     {
                         "data" : "0x",
@@ -64,7 +64,7 @@
             "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
         },
         "genesisRLP" : "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",
-        "lastblockhash" : "0x82add00154e49b69bbcb3de3f2193fc75cf96a7e6fc2d882c323bba2e916e7c2",
+        "lastblockhash" : "0xf060de9c0d0e94e505cf42448b31d52ec9641524dbe6f0909059b38e1de35034",
         "network" : "Byzantium",
         "postState" : {
             "0x095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
@@ -105,6 +105,116 @@
                 "storage" : {
                 }
             }
-        }
+        },
+        "sealEngine" : "NoProof"
+    },
+    "sec80_d0g0v0_Constantinople" : {
+        "_info" : {
+            "comment" : "",
+            "filledwith" : "testeth 1.5.0.dev2-52+commit.d419e0a2",
+            "lllcversion" : "Version: 0.4.26-develop.2018.9.19+commit.785cbf40.Linux.g++",
+            "source" : "src/BlockchainTestsFiller/GeneralStateTests/stPreCompiledContracts/sec80_d0g0v0Filler.json",
+            "sourceHash" : "117d8f3237dd045434a54f25cc3f568026d61040805f73ce6ee9a71a22b63f4d"
+        },
+        "blocks" : [
+            {
+                "blockHeader" : {
+                    "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+                    "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+                    "difficulty" : "0x020000",
+                    "extraData" : "",
+                    "gasLimit" : "0x989680",
+                    "gasUsed" : "0xaf2d",
+                    "hash" : "0x7d7b135c357115ce52999e432f7e3374d0187ffccfdd5a8e8eb61076191bd6aa",
+                    "mixHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+                    "nonce" : "0x0000000000000000",
+                    "number" : "0x01",
+                    "parentHash" : "0x685e58a31539f57e51f4ae36f8e1559aa3d9f52b8a0dcdf5d545066111701abf",
+                    "receiptTrie" : "0xcb01b5c5f4202602d4329ead8fb66227f8dfefd2d75b05ee01e76b6118d43517",
+                    "stateRoot" : "0x02963f41f16b88e7a3f76c8b745c8ef26a8d84be75be05dce9f1d1ba94b11ff6",
+                    "timestamp" : "0x03e8",
+                    "transactionsTrie" : "0x138e622ff34e8a4bed7c2631ee946b094d23bd208e8285e710fc5fa254318627",
+                    "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+                },
+                "rlp" : "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",
+                "transactions" : [
+                    {
+                        "data" : "0x",
+                        "gasLimit" : "0x989680",
+                        "gasPrice" : "0x01",
+                        "nonce" : "0x00",
+                        "r" : "0xc8c5469bcab2d89c9083cecdf26c9d3a9e40597d1d82744bc0e5e582f9dc48a4",
+                        "s" : "0x433eb07127e317522d4e08b89cd3824eee8bf1c75a2871db940e0c54d0dd09d2",
+                        "to" : "0x095e7baea6a6c7c4c2dfeb977efac326af552d87",
+                        "v" : "0x1c",
+                        "value" : "0x0186a0"
+                    }
+                ],
+                "uncleHeaders" : [
+                ]
+            }
+        ],
+        "genesisBlockHeader" : {
+            "bloom" : "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
+            "coinbase" : "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba",
+            "difficulty" : "0x020000",
+            "extraData" : "0x42",
+            "gasLimit" : "0x989680",
+            "gasUsed" : "0x00",
+            "hash" : "0x685e58a31539f57e51f4ae36f8e1559aa3d9f52b8a0dcdf5d545066111701abf",
+            "mixHash" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "nonce" : "0x0102030405060708",
+            "number" : "0x00",
+            "parentHash" : "0x0000000000000000000000000000000000000000000000000000000000000000",
+            "receiptTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "stateRoot" : "0x25a4db33e2f4a0ef769302c3d94763756cd510430bdb2419ca098625180e2846",
+            "timestamp" : "0x03b6",
+            "transactionsTrie" : "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
+            "uncleHash" : "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347"
+        },
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+        "lastblockhash" : "0x7d7b135c357115ce52999e432f7e3374d0187ffccfdd5a8e8eb61076191bd6aa",
+        "network" : "Constantinople",
+        "postState" : {
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+                "nonce" : "0x00",
+                "storage" : {
+                    "0x00" : "0xc001f00d"
+                }
+            },
+            "0x2adc25665018aa1fe0e6bc666dac8fc2697ff9ba" : {
+                "balance" : "0x1bc16d674ec8af2d",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x0de0b6b3a761ca33",
+                "code" : "",
+                "nonce" : "0x01",
+                "storage" : {
+                }
+            }
+        },
+        "pre" : {
+            "0x095e7baea6a6c7c4c2dfeb977efac326af552d87" : {
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+                "nonce" : "0x00",
+                "storage" : {
+                }
+            },
+            "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b" : {
+                "balance" : "0x0de0b6b3a7640000",
+                "code" : "",
+                "nonce" : "0x00",
+                "storage" : {
+                }
+            }
+        },
+        "sealEngine" : "NoProof"
     }
 }
\ No newline at end of file